Circuit breaker basic control, signal loop

Master Electrician

10/10/2024

屏幕截图 2024-10-10 091814.jpg

FU:Fuse

SFA:change-over switch

SFB:Button

KFM:Intermediate relay

CBC:Closing coil

QA:Travel switch

CBO:Opening coil

PGR:Red signal light

PGG:Green signal light

Topics

Circuit diagram Control circuit Circuit breaker

Master Electrician

We aim to gather electrical knowledge and share it with others.

What should be noted when using indoor vacuum circuit breakers?

The application of indoor high-voltage vacuum circuit breakers

What are the common faults and corresponding solutions for indoor drawer-type high-voltage vacuum circuit breakers?

What are the common faults and handling methods of the operating mechanisms of 35kV and 10kV indoor vacuum circuit breakers?