SCB-63 high breaking capacity small circuit breaker is mainly used in AC 50Hz/60Hz, rated working voltage 230V/400V, rated current to 63A and below. Normally, it can also be used as an infrequent disconnection and conversion of lines. Circuit breakers are mainly used in industrial, commercial, high-rise buildings, household and other places.
Features
Electrical features | |
Rated current In | 1-63A |
Poles | 1P 2P 3P 4P |
Rated voltage Ue | 1P: 230/400V~ 2/3/4P:400V~ |
Insulation voltage Ui | 500V |
Rated frequency | 50/60Hz |
Rated breaking capacity | 6kA |
Rated impulse withstand voltage(1.2/50) Uimp | 6kV |
Dielectric test voltage at and ind. freq.for 1min | 2.5kV |
pollution degree | 2 |
Thermo-magnetic release characteristic | B、C、D |
Electrical life | 4000 |
Mechanical life | 10000 |
Contact position indicator | Yes |
Installation | |
Protection degree | IP20 |
Reference temperature for setting of thermal element | 30℃ |
Ambient temperature (with daily average ≤35℃) | -5~+40℃ |
Storage temperature | -25~+70℃ |
Terminal Connection type | Cable/Busbar |
Terminal size top/bottom for cable | 25mm |
Tightening torque | 3.0N |
Connection | Top and bottom |
Combination with accessories | |
Auxiliary contact | Yes |
Alarm contact | Yes |
Shunt release | Yes |
Under voltage release | Yes |