Vacuum circuit breaker panel

Listing ID #3727256

The circuit is designed for AC DC supply including Anti Pumping contactor. The type tests conducted by us in CPRI Bangalore is as follows Lighting Impulse & Power Frequency Voltage Withstand Test (Dry) as per IS 34271997 RA IEC 62271-2003 LI 75kV (peak) & PF 28kV. Temperature Rise & Milli volt drops test on 1250A VCB as per IEC 62271-100-2003 . Short- time & peaks withstand current tests as per IEC 62271-100-2001 25 .61kA rms for 3 .07 secs and peak 69.42kA. Measurement of the resistance of the main circuit & Mechanical endurance test for 1000 operations