FAQ-Molded Case Parts|Thermosetting Compression Moulding|ACB manufacture|Molded case parts manufacturers-Ruirui Electric (zhejiang) Co., Ltd

082022.11

【Contactor】 Contact fusion welding?
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1. replace the appropriate contactor 2. remove short circuit fault, replace the contact 3. adjust the contact spring pressure 4. clean the contact surface 5. increase the operating power voltage, remo···
082022.11

【Contactor】Solenoid (AC) noise?
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1. increase the operating circuit voltage 2. adjust the contact spring pressure 3. exclude mechanical jamming 4. clean the core pole surface 5. exchange the core 6. replace the core, the
082022.11

【Contactor】No release or slow release?
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1. Repair or replace the contacts 2. Remove the jamming fault and repair the damaged parts 3. Replace the reaction spring 4. Clean the core pole surface 5. Replace the iron core
272022.10

【MCCB】 Manually operated circuit breaker cannot be closed?
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Check the wiring, apply voltage or replace the coil. Replace the energy storage spring. Readjust spring force. Adjust the re-buckling surface to the specified value.
272022.10

【MCCB】 Electrically operated circuit breaker cannot be closed?
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Change the power supply; increase the capacity of the operating power supply; readjust or replace the tie bar; replace the damaged components.
272022.10

【MCCB】 The circuit breaker breaks immediately when starting the motor?
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Adjust the instantaneous adjustment value; if there is an air-type detonator, the valve may fail or rubber membrane rupture, identify and replace; incorrect selection of circuit breakers, the starting···

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