STLB series high-breaking miniature circuit breaker has advanced structure,excellent performance and high breaking capacity .

The material of enclosure and parts is fire-resistance and shock withstanding . It is suitable for circuit of AC 50/60Hz,rated working voltage 415V below and rated current 63A below .It is mainly applied to office buildings,dwelling houses and similar buildings,used to protect illumination,distribution lines and equipment against overload and short-circuit,and it also can be used for infrequent conversion of circuit under normal conditiongs.The product is in accordance with GB10963-1999 and IEC60898-1.

Basic parameters

Rated current(A)         6,10,16,20,25,32,40,50,63

Pole number(P)           1,2,3,4

Rated voltage(V)         230/400

Prospective current of test line(A)        6000,4500

Power factor of test line       0.65~0.70/0.75~0.80