Main circuit breaker(motor circuit breaker)

Detailed Product Description

                      Main technical performance of main circuit breaker

 RGM3 10-1600amp motor circuit breaker are the new series breakers developed to internetional standards and manufacured with advanced technology by the company.

The breakers have rated insulation voltage 690v.It is used for distribution network .

Rated current :630A,700A,800A
Rated voltage:415V

ICU:35KA,65KA,85KA

                          Function of power circuit breaker

The ABB circuit  breaker have the short-circuit ,overload,under-voltage protection, can protect the circuit line and the equipment against damage.The breaker also can be for unfrequent switching of electric circuit under normal conditions .The breakers with the frame rated current below 400A can be used for unfrequent starting and interruption of squirrel cage motors, and protect the motors against overload ,short-circuit and under-voltage.

 

   

Frame current		1250
Type		RGM3-1250S	RGM3-1250H		RGM3-1250G
Rated current		800,1000,1250
Pole number		3   ,  4
Rated insulation Voltage		690
Rated current of N-pole		=IN
Rated working Voltage		415
Limiting breaking capacity(ICU)		50KA		65KA		85KA
Operating breaking capacity		100% / 75%ICU
Arc-distance		≤50mm
Dielectric property		3000
Category	Main circuit	A
	Aux circuit	AC-15
Over-current tripping device		Thermal-magnetic
Comply standards		GB14048.2 IDT IEC60947-2
Outline dimensions	long	406mm
	width	210mm/280mm
	height	138.5mm