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AC Indoor Type Vacuum Three Phase Circuit Breaker 40.5 KV High Voltage 2000A
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|Lighting Impact Voltage
indoor vacuum circuit breaker,
vacuum type circuit breaker
40.5kV Indoor Vacuum Circuit Breaker with High Voltage Switchgear Equipment
1. ZN85-40.5 Indoor High Voltage Vacuum Circuit Breaker is three-phase voltage 50Hz Power , 12kV Rate voltage power system indoor switch equipment . As grid Equipment and Electrical Equipment in Industrial and Mining Enterprises . Lend Itself to frequent Opration on Rate Voltage and Opening short Circuit Current .
2. The circuit breaker adopts an integrated design of operating mechanism and circuit breaker body , It can be used as a fixed installation unit or with a professional propulsion mechanism ,Role of component vehicle unit .
3. Altitude is after 2000M .
4. Temperature is from +40 degree to -30 degree
The cabinet is large but easier to maintain. Medium case is large, but maintenance is more convenient. Ring case is small, but maintenance is not convenient.(Schneider SM6 now has a high voltage loop switch cabinet with special SFset circuit breaker. SGN1A-12(Z) small fixed separator, developed jointly, can achieve the basic function of medium case using ABB LEG(Z1)-12 circuit breaker, but the ring net case or small fixed compartment can be set up as a low voltage circuit breaker. Only according to the fixed mode of installation, so that when the circuit breaker failure, need to be replaced immediately, not only need to cut off the upper power supply, but also trouble to replace. It is convenient to replace the handcar switch. So the current ring net cabinet is generally made maintenance free, but the cost is higher. For opening and closing stations, power substations, such as large power, the more important load to use the cabinet to protect. At present, Wuhan city according to the current power supply department requirements, generally choose ring cabinet, the installation capacity of the Transformer with its general requirements to control within 1250 KVA.
|Rated voltage (KV)
|Frequency withstand voltage 5 min (KV)
|Frequency withstand voltage 1 min (V)
|Lighting impulse withstand voltage (KV)