... and protective Switch 2,690V 45A Control and Protective Switch 3,Isolating switch 4,IEC,CE Certified Brand NameSaipModel NumberSPKBO- ... a single product type, integrating the traditional circuit breaker (fuse), contactors, overload (or over-current, phase) relays, starters, main isolator, ... data - Two outline dimensions(C and D frame size) - 3-pole and 4-pole - Current ratings: 12, 16, 18, 32, 45, 63 ...