ZN63-24 VCB

KEY WORDS:High pressure vacuum switch



ZN63 (VS1) -24Series type indoor high voltage vacuum circuit breaker is rated voltage 24kV, three-phase AC 50Hz Indoor high-voltage switchgear ,apply for power stations, substations, and industrial and mining enterprises to control or  protection transmission and distribution systems , especially for the important high altitude breaking load and frequent operation place.
Circuit breaker operating mechanism for the spring energy storage type, can use AC and DC energy storage operations, can also be used manually.
Circuit breaker can be equipped with long life permanent magnetic actuator, mechanical life can reached 60000 times ,can be used for extremely Frequent operation place,
Technical data:

Product Name 24KV ABB Type Vacuum Circuit Breaker ZN63(VS1)-24
Tyep Circuit Breaker
Rated Voltage 11KV / 12KV
Rated Short-Circuit Breaking Current 20KA / 25KA , 31.5KA
Rated Current Rated Current 630A / 1250A,630A / 1600A
Frequency 50HZ
Alitude Not exceed 1000m
Ambient Temperature not higher than +40  °C , not less than -15 °C
Certificate ISO9001
Machanical Life 10000 times
RMS 20KA /25KA , 80KA
Dynamic Stability rated current(peak) 63KA , 80 KA
Rated short-circuit closing current(peak) 63KA
Rated short-Circuit breaking time 50 Times
Rated operating sequence O-0.3s-CO-180s-CO
Rated thermal stabilization time 4s

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