SFM1 moulded case circuit breaker with rated insulation voltage800V, applied in the power system of AC50(60)Hz, rated voltage 690V and below, rated current 1250A and below as the transfer not frequently. The circuit breaker has the protection devices of over load, short circuit and under voltage ,it can protect the circuit and power equipment from broken.
The mccb can be sorted to C type (basic),L type (standard),M type (high breaking), H type(higher breaking) according to its rated limit short circuit breaking capacity.
The mccb has the features small volume, breaking capacity high, electric arcing short ,anti-vibration. It is the ideal product for application in land and ship.

Type		SFM1-63	SFM1-100	SFM1-225	SFM1-400	SFM1-630	SFM1-800
Rated Current(A)		6,10,16,20, 25,32,40, 50,63	10,16,20,25, 32,40,50,63, 80,100	100,125, 160,180, 200	225,250, 315,350, 400	400, 500, 630,	630, 700, 800
Pole No		3P,4P
Rated Insulation Volatge(v)		660V
Rated Operation Voltage(v)		380V
Acting over Distance(mm)		0	0/0(≤50)	≤50	≤50	≤100	≤100
Ultimate Short Circuit Breaking Capacity		25,50	25,35,50,85	25,35,50,85	35,50,65	35,50,65,100	65,100
Service Short Circuit Breaking Capacity		18,35	18,22,35,50	18,22,35,50	25,35,42	25,35,42,65	42,65
Operation Performance	ON	1500	1000	1000
Operation Performance	OFF	8500	7000	4000

630a Moulded Case Circuit Breaker 660 Volt Four Pole Circuit Breaker

Electrical Safety Circuit Breakers