The circuit breaker is a outdoor power distribution equipment, which is in one of the switching technology, modern network technology and computer processing technology.The product composed mainlyby solid-phase integrated seal pole, current transformers, magnetic actuator and the cabinet composition, which is with manual switching off devices. The products are highly intelligent, and sest protection, monitoring, control in one.It has a stable and reliable operation,a variety of communication protocols, modular design, easy maintenance and upgrade.The product is suitable to substation, industrial and mining enterprises, urban ,rural power distribution grid automation and frequent operation place.

Overall dimensions

Technical parameters

NO. Item Unit Value
1 Rated voltage kV 12 24
2 Rated current A 630 1250
3 Rated frequency Hz 50 50
4 1min power frequency withstand voltage (wet)
(dry) to phase /to earth / to fracture
 kV 34   
5 Lightning impulse withstand voltage (peak)
to phase /to earth / to fracture
kV 75/85 125
6 Rated short circuit breaking current kA 20    25
7 Rated short-circuit breaking times Times 30
8 Rated peak withstand current kA 50  
9 Rated short-time withstand current/ duration kA/S 20/4 25/4
10 Rated short circuit making current kA 50
11 Resistance of main circuit μΩ ≤80(without isolation);
12 Mechanical life Times 10000

Related case

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