The products of STLB1-63 belong to the advanced level of the nineties in the international instead of the older generation of L7. They have protective function as shortage as overload, and are used in lighting distribution system in dusty, commerce and dwelling, and protecting fractional electric motors, and they also have many merits of high protective grade(up to ip20), high break capacity, reliable sensitive action, convenient, multiple assembling, long life etc. They are mainly adapted to the circuit of ac 50hz, 230v in single pole, 400v in double, three, four poles for protecting overload and short circuit, meanwhile, they are also used in turning on or off the electric apparatus and lighting circuit under the normal condition.

Specification:
No. Of pole: 1p, 2p, 3p, 4p
Rated voltage: 230v/400v
Mechanical and electric life: (0~c) not less than 8000 operations
Rated current: 6, 10, 16, 20, 25, 32, 40, 50, 63a
Protective grade: Ip20
Breaking capacity: 10ka
Standard: Iec60898
Certificate: CB and CE