China Outdoor High Voltage Vacuum Circuit Breaker

ZW32-type outdoor high voltage vacuum circuit breake
1. Rated voltage 12kV, AC 50Hz
2. Long life, high reliability and good weather resistance, easy to transport, cost-effective.
3. Mechanical life: Up to 10, 000 times.
General:
ZW 32 type is outdoor medium voltage vacuum circuit breaker for rated voltage 12kV, three-phase AC 50Hz outdoor distribution equipment, which applies to power distribution system substation and industrial and mining enterprises to protect and control, and rural power grid frequency operation premises. It is mainly used for breaking and closing the power system load current, over load current and short-circuit current.
Vacuum interrupt outdoor insulation using silicone rubber sleeves, long life, high reliability and good weather resistance, structure, mechanical life of up to 10000 times.
The circuit breaker can be with controller as recloser, to achieve remote control, telemetry, remote, remote adjust, "four remote" features.
Features: No combustion and explosion hazards, maintenance-free, small size, light weight (less than 100kg), long life, safe, reliable, simple operation, maintenance and easy installation.
Working Condition:
1. Altitude not exceeding 2000m;
2. Ambient temperature: -30° C ~+40° C;
3. Pressure: No more than 700 pa(the equivalent of wind speed 34m/s)
4. Earthquake level not exceeding 8 class;
5. Pollution level: 3

ItemUnitparameterRated voltageKV12Rated short-term frequency withstand voltageKV42Rated lightning impulse withstand voltageKV75Rated frequencyHZ50/60Rated currentA6301250Rated short-circuit break currentKA20Rated short-term withstand currentKA20Rated peak withstand currentKA50Rated short circuit close currentKA50Rated single/back to back capacitor bank break currentA630/400Rated short-circuit current durationS4Rated short-circuit current breaking timest50Rated operation voltageV220Meachanical lifet10000Over-current regulationA1~10Fast tripping currentA6~20Delay timema40~850Telecontrol distancem> 30Coincidence timet0~3Rated operation order O-0.3s-CO-180s-COOutput capacityW600Delay timems40~850