The structure of the thermal relay

HDJRhotrelayCalibrator

HDJRhotrelayThe calibrator is designed by our company according to DL/T623-1999 regulations and the needs and convenience of on-site debugging work. Mainly used for varioushotrelayAnd motor protection device for verification, calibration. HDJRhotrelayCalibrator with high current
1970-01-01 08:00:00

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hotrelayThe general working principle of

fromhotrelayFrom the perspective of the minimum rated current and adjustment range, all three-phase AC asynchronous motors can be configured withhotrelay。hotrelayThe main protection object is the three-phase motor, its function is overload protection, and somehotrelayAlso has phase loss protection.
2021-01-20 10:47:181220

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relaytypes and their functions

relayWhen the input changes to a certain value, its contacts turn on or off the AC and DC small-capacity control loops.electrical appliances. electromagneticrelay,timerelay、hotrelay, solid staterelay. 1. ElectromagneticrelayelectromagneticrelayMost products are, such as voltagerelay
2021-12-23 17:37:28794

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hotrelayinstallation and adjustment

hotrelayThe installation direction is easily overlooked.hotrelayIt is the current that generates heat through the heating element and pushes the bimetal action. There are three ways of heat transfer: convection, radiation and conduction. Convection is directional, and heat is transported from bottom to top.
2021-09-08 16:08:16725

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hotrelayhow it works

hotrelayIt is an overload protection for protecting motors or other electrical equipment and electrical lineselectrical appliances, Mainly used for overload, phase loss and three-phase current unbalance protection.hotrelayThe working principle of when the motor is running normally,hotrelayofhotThe element does not generate heat to move the protective function, the normally closed contact
2021-08-13 11:34:573209

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hotrelayhow it workshotrelayHow to adjust the setting value

hotrelayThe working principle is that the current entershotThe current of the component generates heat, which deforms the bimetallic sheets with different expansion coefficients. When the deformation reaches a certain distance, it pushes the connecting rod to act, so that the control circuit is disconnected, so that the contactor is de-energized and the main circuit is disconnected. Motor overload protection.hot
2021-08-11 17:58:294391

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hotrelayhow it works

hotrelayIt is to use the thermal effect of the current to cut off the protection of the circuitelectrical appliances. It is used for overload protection of the motor in the circuit.electrical appliancesmiddle.hotrelayworking principle:hotrelayDuring operation, it is through the thermal resistance sheet. Once the current of the motor exceeds the set current value,hot
2021-08-11 17:26:526507

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Installhotrelaynotes,hotrelayWhat are the requirements for testing and adjustment?

hotrelayThe installation direction of the cable should be the same as the direction specified in the product manual, and the deviation should generally not be greater than 5%; the cross-section of the connecting wire should meet the regulations.
2021-04-10 11:24:252168

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hotrelayofstructure/working principle/protection characteristic curve/selection principle

hotrelayIt is an electrical component used for overload protection of motors and other electrical equipment and lines.hotrelayUsing the principle of thermal effect of current, the control loop is cut off when there is an overload that the motor cannot bear, so as to provide overload protection for the motor.electrical appliances。
2021-04-10 11:13:334562

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Share | How many kilowatts a motor needs to heatrelay？

fromhotrelayFrom the perspective of the minimum rated current and adjustment range, all three-phase AC asynchronous motors can be configured withhotrelay。hotrelayThe main protection object is the three-phase motor, its function is overload protection, and somehotrelayAlso has phase loss protection.
2021-02-01 06:06:402

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Why are motor overload protection components commonly usedhotrelay？

The editor tells you that the commonly used motor overload protection components arehotrelay, because it can satisfy some requirements.
2021-01-20 14:10:4413

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hotrelayThe setting value of the current adjustment and reset mode

hotrelayThe setting current of thehotrelayLong-term inaction current. The size of the set current can be adjusted by the current adjustment device. Usually, after replacinghotrelayAfter that, be sure to adjust the setting value current and set the reset mode.
2020-09-07 18:09:037472

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hotrelayChecking principle of setting current

hotrelayby the inflowhotThe current of the component generates heat, which causes the bimetallic sheet with different expansion coefficients to deform. When the deformation reaches a certain distance, the connecting rod is pushed forward to disconnect the control circuit, and then the touch device is de-energized and the main circuit is disconnected. open to complete the overload protection of the motor.relayAs the overload protection component of the motor, it has been widely used in production due to its small size, simple structure and low cost.
2020-09-28 15:18:39429

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hotrelays Choice_hotrelayTroubleshooting and Handling

hotrelayIt is mainly used for overload maintenance of the motor. In the application, factors such as the working environment, application condition, and load nature of the motor should be considered, and the details should be selected according to the following aspects.
2020-09-28 14:31:50509

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hotrelayThe principle and symbol of

hotrelayIt is the maintenance of using the thermal effect of the current to promote the action structure and make the contact system close or open.electrical appliances. It is mainly used for overload maintenance of electric motors, phase failure maintenance, maintenance of current unbalanced operation and control of heating conditions of other electrical equipment.
2020-09-26 11:10:512300

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hotrelaystructure_hotrelaychoose

hotrelayIt is the maintenance of the thermal effect operation of the currentelectrical appliances, is mainly used for overload protection of electric motors in electrical control circuits.hotrelayAutomatically adjust the action time according to the size of the overload current, if the overload current is large,hotrelayThe action time is short; the overload current is small,hotrelaylonger operating time; while at normal extra current,hotrelayProlonged inactivity.
2020-09-25 10:40:442538

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hotrelayofstructurediagram

hotrelayThe base structure ishotComponents, contact systems, action arrangements, reset buttons, current setting devices and temperature compensation components are some components. As shown on the right is the JR15 serieshotrelayConstruction schematic.
2020-09-24 14:31:306190

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hotrelayselection considerations

hotrelayThe key points of the selection are as follows: under normal circumstances, the two-phase structure can be selected.hotrelay, but when the balance of the three-phase voltage is poor, the working environment is harsh or the motor is unattended, the three-phase structure should be used.hotrelay. For the motor with delta connection, the one with phase failure maintenance equipment should be selected.hotrelay。
2020-09-24 10:53:001802

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hotrelayselection and structure

　hotrelayIt is mainly used to protect the overload of the motor, so it is necessary to understand the condition of the motor when selecting, such as the working environment, the required current, the nature of the load, the working system, and the allowable overload adjustment.
2020-09-10 10:22:50944

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thermal overloadrelayThe principle and structural characteristics of

thermal overloadrelayThe working principle of the motor is as follows: when it is connected to the main circuit, the same current as the motor flows, when the motor is overloaded,hotelement is heated to operating temperature so thathotrelayaction.hotrelayThe action time and the magnitude of the overload current are changed according to the inverse time limit [and as a motor overload protection
2020-09-09 17:51:232069

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hotrelayThe principle of the tester

hotrelayA tester is an electronic control device with a control system and a controlled system. It is usually used in automatic control circuits. It is actually an "automatic switch" that uses a smaller current to control a larger current. Therefore, it plays the role of automatic adjustment, safety protection, and conversion circuit in the circuit.hot
2020-08-02 09:37:16343

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hotrelayofstructurePrinciple and Application

hotrelayis to use flow throughrelayThe thermal effect of the current is used for long-term protection of the motorelectrical appliances, the figure below is a three-pole heatrelayFriends, let’s get to know it first. It has three input terminals, three output terminals, a pair of normally open, a pair of normally closed, a reset button, and a current setting knob. (If it is bipolar, there are two input terminals and two output terminals).
2020-06-28 17:06:503035

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The size of the motor power andhotrelayIs there a connection to the installation?

hotrelayIt is used for overload protection for three-phase motors. The size of the motor power is greater than whether it is installedhotrelayIt doesn't matter.
2020-04-25 09:03:07947

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hotrelayThe electrical circuit for the maintenance of the electric motor

hotrelayThe advantages of small size, simple structure and low cost have been widely used. But at the same time, there are the following defects that are not easy to defeat: in the process of heating and bending of the bimetal, the heat transfer requires a long time, so,hotrelayIt cannot be used for short circuit maintenance, but only for overload maintenance. to the motor
2020-03-17 16:07:311366

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Overcurrentrelayandhotrelaydifference

OvercurrentrelayIt is used to act when the current in the loop crosses the set value.hotrelayUsually used for motor overload maintenance to avoid motor overload;hotrelayIt is used for the maintenance of overload maintenance of motors or other electrical equipment and electrical lineselectrical appliances。
2020-03-18 15:12:135145

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hotrelayWhat are the characteristics of _hotrelayBasic performance

This paper first describeshotrelayprotection characteristics, followed by an introduction tohotrelayThe basic performance is left, and finally introducedhotrelayBasic requirements for selection.
2020-03-13 09:41:227723

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hotrelayNameplate parameters and meaning_hotrelayCommon specifications and models

This article first introduceshotrelayNameplate parameters and meanings, followed by an introductionhotrelayThe common models of , and finally introducedhotrelayList of common specifications and models.
2020-03-13 09:27:4518838

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hotrelaycomposition_hotrelayReasons for non-operation or malfunction

This paper first describeshotrelaycompositionstructure, and then analyzedhotrelayAnalysis of the reasons for no action or malfunction.
2020-03-13 08:59:083025

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hotrelayWhat's the function_hotrelayCurrent setting formula

This paper first describeshotrelayfunction, followed by an introduction tohotrelayThe formula for current setting is finally introducedhotrelaySetting current and reset mode adjustment method.
2020-03-13 08:50:262644

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hotrelaywhat is the blue button_hotrelayCurrent setting

This article first introduceshotrelaythe blue button, followed by an elaboratedhotrelayThe concept of the current setting value is finally introducedhotrelayAdjustment method of setting current.
2020-03-12 14:25:464397

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hotrelayThe electrical symbol _hotrelaywhat does h and a mean

This article first introduceshotrelaythe electrical symbols, followed by an introduction tohotrelayThe technical parameters of , and finally expoundedhotrelayThe meanings of h and a above.
2020-03-12 14:13:3846833

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hotrelayHow to reset the trip_hotrelayReason for tripping

This paper first describeshotrelayTrip reset method, followed by an introductionhotrelayThe reason for the trip is finally introducedhotrelayUse precautions.
2020-03-12 13:56:1729055

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high frequencyrelayWorking principle_high frequencyrelayofstructure

This paper first introduces the high frequencyrelayworking principle, followed by an introduction to high frequencyrelaycharacteristics, and finally introduces the high frequencyrelayofstructure。
2020-03-10 11:37:514134

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tonguerelayofstructurecomposition_reedrelayDirection of development

This paper first introduces the tonguerelayofstructurecomposition, followed by exposition of the tonguerelayprinciple, and finally introduces the reedrelayDirection of development.
2020-03-10 11:26:431526

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hotrelaypurchase and precautions

hotrelayAs an auxiliary overload protection that many equipments now chooseelectrical appliancesInstallations can be said to have played a very crucial role in different fields. It should be known that when the motor is running, it will also generate a lot of energy. At this time, if there are some abnormal phenomena that cause the equipment to encounter overload, it will cause the equipment to run down, andhotrelayIt is to protect the equipment from overloading.
2020-02-20 15:14:091629

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hotrelayconnection method

hotrelayThe connection method in the main circuit is generally connected in series with the main contact outlet end of the AC contactor,hotrelayThe outlet end of the three-phase motor is directly connected in series with the terminals of the three-phase motor.hotrelayThe capacity is to be selected according to the power of the three-phase motor.
2020-02-15 20:32:208075

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hotrelayofstructure_hotrelayhow it works

hotrelayIt is an electrical component used for overload protection of motors and other electrical equipment and lines.hotrelayUsing the principle of thermal effect of current, the control loop is cut off when there is an overload that the motor cannot bear, so as to provide overload protection for the motor.electrical appliances。
2020-01-07 16:22:447904

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hotrelayselection principle

hotrelayWhen the starting current of the motor is 6In, the return time tf and the action time td have the following relationship: tp=(0.5~0.7)×td, in this formula, tf ishotrelayReturn time after action, the unit is s; td ishotrelayThe action time, the unit is s.
2020-01-15 09:42:065698

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hotrelayOverload inverse time action characteristics

hotrelayThe overload protection is implemented using the principle of thermal effect of current. When there is an overload that the motor cannot withstand, the overload current flows to overheatrelayofhotcomponent causeshotrelayA protection action is generated, and the motor circuit is cut off with the AC contactor.
2020-01-15 09:17:446224

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hotrelayskills

hotrelayis ahotProtection components, which are usually used to protect the overcurrent of the motor circuit.
2020-01-11 11:06:483877

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hotrelaythe outsidestructure_hotrelaygood or bad measure

Today's talk is more widely usedelectrical applianceselementhotrelay, How do we judge its quality? In the control motor, we often use it to protect the motor to achieve the overload protection function.
2020-01-11 11:03:582826

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hotrelayWorking principle and selection

hotrelayThe main protection object is the three-phase motor, its function is overload protection, and somehotrelayAlso has phase loss protection. In principle, as long as the rated current of the protected object (three-phase motor) does not exceed the thermalrelaycurrent adjustment range, then both can be configuredhotrelay. For three-phase motors with particularly large power, current transformers andhotrelayWith the use of.
2019-12-25 16:00:278560

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CommonrelayWhat

commonrelayThere are many, like the middlerelay,timerelay, currentrelay,Voltagerelay,speedrelay、hotrelay, solid staterelay, She Springrelayand many more.
2019-12-08 10:31:557640

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AC contactor andhotrelayused in conjunction with

The AC contactor is generally used as the starting power supply of the three-phase motor, at this time it should be equipped withhotrelayuse.hotrelayThe main role is in three aspects.
2019-11-16 09:45:375695

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hotrelayand fuse principle description

The fuse can achieve fast blowing, whilehotrelayIt takes a certain amount of time to disconnect (if it is fast, it takes several seconds), so the fuse should be used for short-circuit protection.hotrelayfor overload protection. andhotrelayMust cooperate with contactor to realize overload protection.
2019-11-01 17:45:424172

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Four commonly used by electriciansrelay

　relayThere are many types, choose the appropriate type according to different occasionsrelay，relayThe most common are the middlerelay、hotrelay,timerelayand solid staterelay. There are also various types ofrelay, such as liquid levelrelay, current voltage typerelay。
2019-11-01 16:05:465269

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thermal overloadrelayhow to tune

thermal overloadrelaydue to itsstructureSimple, easy to install and use, it is widely used in motor overload protection. According to the size of the motor starting current and the length of time, the correct configurationhotrelayThe connection method in the circuit is a reasonable choicehotrelayThe key to setting the current.
2019-10-28 10:19:1310059

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hotrelayinstallation, use and maintenance

hotrelayThe working principle is that the current entershotThe current of the component generates heat, which deforms the bimetallic sheets with different expansion coefficients. When the deformation reaches a certain distance, it pushes the connecting rod to act, so that the control circuit is disconnected, so that the contactor is de-energized and the main circuit is disconnected. Motor overload protection.
2019-09-03 17:38:132130

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hotrelayThe importance of setting the current value

hotrelayThe choice of the setting current is indeed more important. The setting value is too small,hotrelayIt is easy to malfunction and affect the normal use of the equipment. If the setting value is too large, it will not have the proper protection effect, and the loss caused by burning the motor will be even greater.
2019-09-06 15:13:413603

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hotrelayinstallation, usage environment and connection lines

without temperature compensationhotrelay, should be inhotrelayIt is used in places where there is little difference in ambient temperature between the motor and the motor. for temperature compensatedhotrelay,can be use onhotrelayThere is a certain difference between the ambient temperature of the motor and the motor, but the influence caused by the change of ambient temperature should be minimized.
2019-08-19 09:26:472041

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Anatomyhotrelay

hotrelayAfter the action, the bimetallic piece cools down for a period of time and can be reset by pressing the reset button. some modelshotrelayIt also has a phase failure protection function.hotrelayThe phase failure protection function is provided by the differential amplifier mechanism composed of inner and outer push rods.
2019-08-19 09:21:151415

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hotrelaychoice

In principle, it should behotrelayThe ampere-second characteristic of the motor is as close as possible to or even coincides with the overload characteristic of the motor, or under the overload characteristic of the motor, and at the moment when the motor is overloaded and started for a short time,hotrelayShould not be affected (no action).
2019-08-19 09:10:221129

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hotrelayThe role and use of

It is mainly used for overload protection of asynchronous motors. Its working principle is that the overload current passes through the thermal element.hotrelayAfter the parts are installed, the bimetallic sheet is heated and bent to push the action mechanism to drive the contact action, thereby disconnecting the motor control circuit to realize the motor power off and stop, which plays the role of overload protection.
2019-08-19 08:58:3118371

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hotrelaymethod of selection_hotrelayinstallation_hotrelayroutine maintenance

This article mainly introduceshotrelaymethod of selection,hotrelayinstallation andhotrelayroutine maintenance.
2019-08-13 11:54:46910

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hotrelayThe technical parameters_hotrelayrole

This article mainly introduceshotrelaytechnical parameters,hotrelayrole andhotrelaytechnical data.
2019-08-13 11:40:115435

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hotrelayworking principle_hotrelaycompositionstructure

This article first introduceshotrelaywhat is then explainedhotrelayThe working principle of , and finally analyzedhotrelaycompositionstructure。
2019-08-13 11:34:441736

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solid staterelayofstructure_Solid staterelayThe installation method and operation method of

This paper first describes the solid staterelayofstructure, and then introduces the solid staterelayinstallation and operation methods.
2019-08-12 17:03:584153

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hotrelayModel specification meaning

hotrelayis to use flow throughrelayThe thermal effect generated by the current and the inverse time action (that is, the delay action time shortens with the increase of the current through the circuit)relay. Mainly used for motor overload protection, phase failure protection, circuit unbalanced operation protection and otherelectrical appliancesControl of the heating state of the device.hotrelayThe model and meaning are as follows.
2019-06-26 11:38:5025698

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hotrelayHow to choose

hotrelayis a traditional protection motorelectrical appliances, it has the same inverse time action characteristics as the motor's allowable overload characteristics, and is mainly used for overload protection and phase failure protection of three-phase AC motors. Judging from the current situation, since there is no choice and use of good heatrelayAccidents that cause the motor to burn out
2019-06-26 11:28:516761

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hotrelaystructure

hotrelaybasicstructureDepend onhotIt is composed of components, contact system, action mechanism, reset button, setting current device and temperature compensation components.
2019-06-26 11:25:592729

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hotrelayworking principle

hotrelayThe working principle is that the current entershotThe current of the component generates heat, which deforms the bimetallic sheets with different expansion coefficients. When the deformation reaches a certain distance, it pushes the connecting rod to act, so that the control circuit is disconnected, so that the contactor is de-energized and the main circuit is disconnected. Motor overload protection.
2019-06-26 11:23:169603

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hotrelaySymbolic representation

hotrelayis the current enteringhotThe current of the component generates heat, which deforms the bimetallic sheets with different expansion coefficients. When the deformation reaches a certain distance, it pushes the connecting rod to act, so that the control circuit is disconnected, so that the contactor is de-energized and the main circuit is disconnected. Motor overload protection.
2019-06-26 11:20:3636488

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hotrelayrole

hotrelayIt is mainly used for overload protection of asynchronous motors. Its working principle is that after the overload current passes through the thermal element, the bimetallic sheet is heated and bent to push the action mechanism to drive the contact action, thereby disconnecting the motor control circuit to realize the motor power off and stop. , play the role of overload protection. in view of
2019-06-26 11:17:4611329

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speedrelaystructure_speedrelayBrake circuit diagram

This article details the speedrelaystructurefigure and speedrelayControlling asynchronous motor energy consumption braking circuit diagram.
2019-06-24 16:34:525713

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star trianglehotrelays Choice

In principle, it should behotrelayThe ampere-second characteristic of the motor is as close as possible to or even coincides with the overload characteristic of the motor, or under the overload characteristic of the motor, and at the moment when the motor is overloaded and started for a short time,hotrelayShould not be affected (no action).
2019-06-24 15:46:332331

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in circuithotrelayrole

hotrelayIt is a protection that operates by using the effect of currentrelay, mainly used for motor overload protection.hotrelayIt is composed of bimetal, heating element, action mechanism and contact system. The bimetallic sheet is made of two layers of metal sheets with a large difference in expansion coefficient, welded together.
2019-06-24 15:35:003314

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hotrelayrole andstructure

This article first introduceshotrelay, followed by the introduction ofhotrelaystructure, finally expoundinghotrelayMethod of choosing.
2019-06-24 15:23:535630

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hotrelayInstructions

This article first introduceshotrelayThe installation and use method, followed by the introductionhotrelayTwo major precautions in use, and finally introducedhotrelayroutine maintenance.
2019-05-09 17:14:4017464

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electromagneticrelaystructure

electromagneticrelaythe basicstructureSimilar to the working principle and contactor, it is composed of iron core, armature, coil, return spring and contacts. due to electromagneticrelayIt is used for auxiliary circuits, and the current of making and breaking is small, so it is not equipped with arc extinguishing device. electromagneticrelayThere are two types of electromagnetic systems: direct-acting and snap-fit. comminicaterelayThe electromagnetic mechanism includes U-shaped snap-fit ​​type and E-shaped direct-acting type. DCrelayThe electromagnetic mechanism is a U-shaped snap fit, whichstructureAs shown in the figure:
2019-02-25 14:09:3817865

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hotrelaywhat brand is good

This paper mainly introduces in detailhotrelayThe brands are Schneider schneider, Chint chint, abb, Sanyou, Siemens siemens and Panasonic panasonic.
2018-10-17 17:45:377202

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SchneiderhotrelayModel meaning and current range

hotrelayby the inflowhotThe current of the component generates heat, which deforms the bimetallic sheets with different expansion coefficients. When the deformation reaches a certain distance, it pushes the connecting rod to act, so that the control circuit is disconnected, so that the contactor is de-energized and the main circuit is disconnected. Motor overload protection.relayAs the overload protection component of the motor, with its small size,structureThe advantages of simplicity and low cost have been widely used in production.
2018-05-11 15:11:3822249

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electromagneticrelayWhat are the main types_ElectromagneticrelayApplications

This article begins with an introduction to electromagneticsrelayconcept, followed by the electromagneticrelayClassification and Electromagneticsrelayofstructureand working principle, and finally introduces the electromagneticrelayGraphical symbols and contact forms of and electromagneticrelayApplications.
2018-03-23 10:11:3717436

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hotrelayhow to adjust current

hotrelayThe working principle is that the current entershotThe current of the component generates heat, which deforms the bimetallic sheets with different expansion coefficients. When the deformation reaches a certain distance, it pushes the connecting rod to act, so that the control circuit is disconnected, so that the contactor is de-energized and the main circuit is disconnected. Motor overload protection.
2018-02-06 13:32:5119672

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hotrelayThe difference between fuse and fuse_hotrelayHow does it differ from the role of a fuse?

hotrelayThe function is overload protection. The function of the fuse is overload and short circuit protection. becausehotrelayIt takes a few seconds for the inner metal sheet to heat up, and the short circuit is instantaneous, sohotrelayCan not do short circuit protection.
2018-01-25 17:55:0631213

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hotrelayWhat are the faults_hotrelayCommon faults and handling

hotrelayThe working principle is that the current entershotThe current of the component generates heat, which deforms the bimetallic sheets with different expansion coefficients. When the deformation reaches a certain distance, it pushes the connecting rod to act, so that the control circuit is disconnected, so that the contactor is de-energized and the main circuit is disconnected. Motor overload protection.relayAs the overload protection component of the motor, with its small size,structureThe advantages of simplicity and low cost have been widely used in production.
2018-01-25 17:21:4916556

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What is thermal overloadrelay_Thermal overloadrelayHow it works_Thermal overloadrelayrole

thermal overloadrelayIt is to apply the principle of current heating effect, and use the electrical thermal bimetallic sheet as the overload of the sensitive element.relay, also known ashotrelay。
2017-12-25 20:15:5163963

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SchneiderhotrelaySelection_SchneiderhotrelayModel and price

This paper mainly introduces thehotrelaycompositionstructurewith the selection method, followed by a detailed description of the SchneiderhotrelaySelection table, Schneiderhotrelaymodel and price.
2017-12-19 11:31:0219260

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hotrelayWhen to use_How to use_hotrelayworking principle

This article starts withhotrelayCentered on the mainhotrelayworking principle,hotrelayparameterstructureand the selection method, explained in more detailhotrelaywhen to use, andhotrelayinstallation method, etc.
2017-12-19 11:16:3932898

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hotrelayworking principle andstructurediagram

hotrelayIt is mainly used for overload protection of asynchronous motors. Its working principle is that after the overload current passes through the thermal element, the bimetallic sheet is heated and bent to push the action mechanism to drive the contact action, thereby disconnecting the motor control circuit to realize the motor power off and stop. , play the role of overload protection. in view of
2017-11-29 09:52:4474290

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Talking abouthotProtectrelayAction reason

In electrical control loops, contactors,relay, air switch, etc. are very widely used relay components, among which there is a type calledhotProtectrelay, It is also used in many power distribution cabinets, mainly to protect the circuit or protect the motor. If a belthotThe main control loop of the protector does not start, you need to check it,hotrelayIs it moving, because it is easy to move abnormally sometimes.
2017-11-13 13:33:078385

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hotrelayofstructureAnalysis of its motor protector

hotrelayhavestructureSimple, low cost, small size and easy to use. buthotrelayThe protection function is single, the precision is low, the action is unstable, and the heating time constant is small. general speaking,hotrelayEverything is good, but the protection performance is unreliable, which is its Achilles heel, and because of this, the protection
2017-10-31 10:09:3717

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hotrelayIntroduction and Principles

Electronic enthusiasts website provides "hotrelayIntroduction and Principles.doc" free download
2014-05-19 17:48:484

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hotrelays Choice

hotrelayHow to choose? The following will answer you one by one (1) Type selection In general, two-phase can be usedstructureofhotrelay, but when the balance of the three-phase voltage is poor, the working environment is harsh or the motor is unattended, the three-phase motor should be selected.structure
2012-11-28 14:30:277358

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hotrelayworks withstructure

hotrelayIt is used for overload protection of motors or other electrical equipment and electrical circuits.electrical appliances. In the actual operation of the motor, such as the process of dragging the production machinery to work, if the machinery is abnormal or the circuit is abnormal, the motor has encountered
2011-11-15 15:13:57241

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hotrelayModel list

hotrelayby the inflowhotThe current of the component generates heat, which deforms the bimetallic sheets with different expansion coefficients. When the deformation reaches a certain distance, it pushes the connecting rod to act, so that the control circuit is disconnected, so that the contactor is de-energized and the main circuit is disconnected.
2011-11-09 16:05:417480

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hotrelayThe set current test of

testhotrelayWhen the setting current of , each phase can behotelements in series, for a phase failure protectionhotcomponents, which can behotComponents are connected in series. During the test, a regulated power supply or a regulated power supply should be used to ensure the stability of the test current.
2011-11-09 15:50:101674

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delayrelayprinciple

timerelayIt is a control that realizes delay control by electromagnetic principle or mechanical principle.electrical appliances. Its type, there is an electromagnetic delayrelay; Electric timerelay；hotdelayrelay; Hybrid delayrelay; solid timerelay. time relay
2011-07-04 16:21:4136626

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AC contactorhotrelayWiring diagram

AC contactorhotrelayWiring diagram
2010-03-05 18:08:4129710

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I/OrelayinternalstructureSchematic

I/OrelayinternalstructureSchematic I/OrelayApplicable load
2010-03-02 10:07:311600

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electronic with microprocessorhotrelay

Application of Microelectronics Technology to Improve Conventional Bimetallic PlatehotrelaySelf-efficacy index and protection features to achieve multi-function. electronic drafthotrelayMethods of heat accumulation and dissipation in overload protection. Electronic Thermal Over—Load R
2010-01-08 08:23:5127

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solid staterelayofstructureand electrical parameter description

solid staterelayofstructureAnd electrical parameter description 1. Solid staterelayofstructureand electrical parameter description of SSRstructureGenerally, the control circuit is on the top, and the power output components are on the bottom. control electricity
2009-12-08 10:06:415134

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relayThe principle and classification of

relayThe principle and classification of 1.relayDefinitionrelayIt is a kind of when the input quantity (electricity, magnetism, sound, light,hot) reaches a certain value, the input
2009-12-08 09:48:30731

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hotrelayReasonable selection skills

hotrelayReasonable selection skillshotrelayThere are bimetal type, fusible alloy type, thermistor type, thermal magnetic type, etc., all of which are made by the principle of current thermal effect.
2009-12-08 09:42:401110

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relaystructurePrinciple analysis research

relaystructurePrinciple Analysis Research 1.1relayin the raison d'êtrerelayThe use of it can: – reduce the voltage drop on the usually longer wires (since the wiring with the command switch goes to the dash panel).- reduce the use of
2009-11-26 16:51:4316

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relayinternalstructure

relayinternalstructure・Induced voltage: Applied to the coil to makerelayAction threshold voltage value. It is also indicated in the specification that therelayThe voltage for action must be valued. (expressed as a percentage of rated voltage ○%V
2009-11-25 14:16:23226

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commonrelaythe principle andstructure

commonrelaythe principle andstructure: In daily life, presumably the students have alreadyrelayis familiar by itself, but maybe a little familiar with how it works andstructureStill relatively unfamiliar. This article will discuss electromagneticrelaythe principle andstructuregive a brief explanation,
2009-10-25 12:01:3971

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commonrelaythe principle andstructure

commonrelaythe principle andstructure: In daily life, presumably the students have alreadyrelayis familiar by itself, but maybe a little familiar with how it works andstructureStill relatively unfamiliar. This article will discuss electromagneticrelaythe principle andstructuregive a brief explanation,
2009-10-25 12:01:381

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electromagneticrelayofstructureand how it works

electromagneticrelayofstructureand working principle electromagneticrelayYesrelayOne of the earliest and most widely usedrelay. electromagneticrelayGenerally composed of iron core, electromagnetic coil, armature, return spring, contact, support and pin, such as
2009-08-22 15:11:429454

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hotrelaySchematic

hotrelaySchematic
2008-07-16 10:11:01676

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hotrelayhow it works

hotrelayhow it workshotrelayIt is used for overload protection of motors or other electrical equipment and electrical circuits.electrical appliances. The motor is in actual operation, such as dragging the production machinery to carry out
2008-07-16 10:07:162195

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