Sm11-Cw Series Moulded Case Circuit Breakers

Markets:	North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe
Breaking Capacity:	High Voltage Circuit Breakers
Operation:	Electric Type
Speed:	High-Speed Circuit Breaker
Arc-extinguishing Medium:	Air
Installation:	Fixed
Poles Number:	4
Structure:	Moulded Case Circuit Breaker

Product Description

1.Application 

SM11-CW series circuit breaker is features of reliable working out and steady performance, rea-sonable structure, beautiful appearance and small volume etc. It can be used in the circuit of 50Hz or 60Hz, rated voltage up to 600V. It is used to distribute electric energy in distribution network and be overload or short circuit protection power equipment, and also can be used in transformation of circuit unfrequency under the normal conditions. 

Main technical specifications

Frame rated current Inm(A) 30 50 125 Model SM11-30CW SM11-63CW SM11-125CW Rated current(A) 6, 10, 16, 20, 25, 32 6, 10, 16, 20, 25, 32, 40, 50, 63 60, 75, 100, 125 Pole No. 3 3 3 Max. rated service voltage Ui(V)     AC 690 690 690 DC 250 250 250   a 67.5mm 75mm 90mm b 96mm 130mm 130mm c 49mm 68mm 61mm ca 67mm 88mm 88mm bb 84mm 110mm 110mm aa 23.5mm 25mm 30mm IEC60/947-2 Icu AC 500V 0.5 2.5/1 10 440V 0.75 2.5/1 10 415V 1 2.5/1 15 380V 1.5 5/2 25 240V 1.5 7.5/4 30 DC 250V 0.5 7 7.5 125V 1 5 10 Connection way Press terminal Automatic tripping device Thermal-magnetic