ZN63A(VS1)-12 Interruptor automático de alto vacío para interiores

ZN63(VS1)-12 type indoor high-voltage vacuum circuit breaker, a three-phase AC 50Hz rated voltage of 12kV power system indoor switching equipment, as the power grid equipment, industrial and mining enterprises power equipment protection and control unit. Suitable for frequent operation at rated operating current, or multi-alternating short-circuit current.

The circuit breaker adopts the integrated design of the operating mechanism and the circuit breaker body, which can be used as a fi xed installation unit, and can also be equipped with a special propulsion mechanism to form a handcart unit.

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Visión general

ZN63(VS1)-12 type indoor high-voltage vacuum circuit breaker, a three-phase AC 50Hz rated voltage of 12kV power system indoor switching equipment, as the power grid equipment, industrial and mining enterprises power equipment protection and control unit. Suitable for frequent operation at rated operating current, or multi-alternating short-circuit current.

The circuit breaker adopts the integrated design of the operating mechanism and the circuit breaker body, which can be used as a fi xed installation unit, and can also be equipped with a special propulsion mechanism to form a handcart unit.

 

Modelo Significado

VS 1 12 1
Indoor high
voltage vacuum
circuit breaker
Product design serial number Tensión nominal (KV) Corriente nominal (A) Rated short circuit breaking current(kA)

 

Principales parámetros técnicos

Artículo Unidades Argumento
Tensión nominal kV 12
Rated insulation
level
Peak rated lightning impulse withstand voltage kV 75
1min frecuencia de alimentación tensión soportada 42
Corriente asignada de corte en cortocircuito kA 20/25 31.5 40
Corriente nominal A 630、
1250
630、1250、
1600、2000、
2500、3150
630、1250、1600、2000、
2500、3150
Rated thermal stable current(RMS) kA 20/25 31.5 40
Rated dynamic stable current (peak) 63 80 100
Rated short circuit closing current (peak) 63 80 100
Corriente nominal de corte en cortocircuito Tiempos de corte Number of times 50
Secondary circuit power frequency withstand voltage (Imin)s V 2000
Rated operating sequence O-0.3-CO-180s-CO
O-180s-CO-180s-CO
Rated thermal stability time S 4
Rated single/back-to-back capacitor bank breaking current A 630/400800/400(40kA)
Vida mecánica Number of times 10000

 

External Mounting Dimension (mm)

 

Corriente nominal (A) 630 1250 1600
Rated short circuit breaking current (A) 20/25 25/31.5 31.5

 

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