circuit breakers

STLH services isolating switch is suitable for distribution and control loop of AC 50/60Hz,rated working voltage 230 or 400V .

STLH services isolating switch is suitable for distribution and control loop of AC 50/60Hz,rated working voltage 230 or 400V and below,mainly used as main switch for terminal electrical appliances,also can be applied to various motors,low power electrical equipment and lighting.The product is in accordance with GB14048.3 and IEC60947-3.

Main technical parameters

Rated voltage(V)      230/400

Rated current(A)       32,63,100

Rated making and breaking capacity   1.1un,3In COS=0.65

Rated short-circuit withstanding current     200t=1s

Rated short-circuit making capacity      30In,t≥0.1s COS=0.5

Rated fused short-circuit current     20

Pole number of the circuit breaker   1,3,4

circuit breakers