Specifications

SF6 tank circuit breaker 
digital type control 
high service life 
high adaptability

LW30-252(T)/T4000-50 high voltage SF6 tank type circuit breaker is the product invented by our company on the base of ZF16-252 GIS. The product uses  horizontal type and three-phase structure. The arc-extinguish of circuit breaker is installed in the grounding aluminium alloy shell. The current transformer is installed under of outgoing line bushing equipped with CT spring operation structure. The product is suitable of three-phase AC 50HZ,252KV power system and can be used to control, protect,measure and contact with circuit breaker.

Standard:

  GB1984-2003;

   IEC62271-100:2001;

   ISO9001

The main characteristics:

the circuit breaker and current transformer are bounded up.

2.it is in the domestic leading level with small volume, light weight, medium height;

3.the circuit breaker uses auto arc-extinguish principle. And it owns good breaking capacity, short arcing time, long electrical life, full capacity breaking 20 times.

 4.the circuit breaker is equipped with CT26 type spring operation structure. The electrical life is 10000 times. It applies with non-oil standard.

The main parameters: