Abstract Structure

LV Switchgear

Main Distribution Board

The Main Distribution board (also referred as LV Panel or Power Control Center) comprises of the main incomer for the installation, mostly in the form of an Air Circuit Breaker, fed from the power source & distributes the power to the downstream feeders comprising of other circuit breakers. All the circuit breakers are selected as per the discrimination requirement & provide various protections (Overload, Short Circuit, Earth Fault, Earth Leakage etc) as per the needs of the installation.


400A to 6300A at 690V, 50Hz

Short Circuit Rating

50kA 3sec / 85kA 1sec and, 100kA 1sec

Type of Construction:

Up to Form 4B, IP54, Fixed or Withdrawable construction with Front & Rear / Front access options.

Operating Ambient Temperature:


Type Test Certification:

Type tested up to 4000A rating, 100kA 1sec, for compliance to IEC 61439 - 1 & 2, Ed.3

Type tested for Internal Arc test as per IEC61641

Main Distribution Board.PNG