CHP

 

FULL FORM —

AB Switch = Air Break switch 

ACB = Air Circuit Breaker

VCB = Vacuum Circuit Breaker

MCB = Miniature Circuit Breaker 

MCCB = Molded case circuit breaker 

MPCB = Motor Protection Circuit Breaker 

EMPR = Electronic Motor Protection RELAY

RCCB = Residual Current Circuit Breaker 

RCBO = Residual Current Circuit Breaker With Over-Current Protection

 ELCB = Earth Leakage Circuit Breaker 

HRC = Fuse High Rupture Capacity Fuse 

OLTC = On Load Tap Change SF6 Circuit Breaker = Sulphur Hexafluoride Circuit Breaker 

MPDB = Main Power Distribution Board 

ACDB = Alternating Current Distribution Board 

HT = High tension > Transformer HT Side 

LT = Low tension DO Fuse = Drop Out Fuse 

DCDB = Direct current Distribution Board 

PDB = Power Distribution Board