Vacuum Circuit Breaker By Essen Electricals & Enterprises (P) Ltd.

Vacuum Circuit Breaker It consists of manual / motor operated spring charged mechanism of stored energy type. In the closed state of the breaker, the closing springs can perform the duty operation. Facility is also available for hand charging the springs in the event of supply failure. The closing spring is charged by the motor in less than 15 seconds. Electrical anti-pumping feature is also provided. The mechanism is trip free and suitable for rapid re closing. The vacuum interrupters are capable of switching capacitive currents and small magnetising current.Salient Features Conform to IS2147, IEC-60298, and IEC-60964.Fully compartmentalised & Compliance to internal arc as per standards.Emergency tripping arrangement without opening the Breaker chamber front door.Extensible & modular constructionHigh reliabilityRe strike freeHorizontal draw out Type.Self aligning type cluster contacts for robust design.Stored energy type spring closing mechanismFully interlocked for operational safety. Technical Specification Rating Unit PSGVCB Rated Voltage kV 3.6/7.2/12 Rated Current Amps. 630, 800, 1250, 1600, 2000 Symmetrical Breaking Capacity kA rms 13.1/26.3 Making Capacity kAp 33/65 Short time withstand current (3 Secs) kA 13.1/26.3 Opening Time ms 35-45 Total Break Time ms 55-65 Closing Time ms 55-65 Duty Cycle O-0.3 sec. - CO-3 min. - CO