GTM3(S) series mould case circuit breaker, it is suitable for the circuit of AC 50Hz (or 60Hz), rated insulation voltage 690V rated operating voltage under AC 660V, 250V(DC), rated insulation voltage 690V rated operating voltage under AC 660V, 250V(DC), rated operating current 125-800A.

It is for distribute energy of electricity and infrequent making circuit normal conditions. The MCCB rated current under 400A. The are provided with the function of the protection against overload and short circuit, and undervoltage.

Standard: IEC 60947-2

Type		GTM3-125				GTM3-160				GTM3-250				GTM3-400				GTM3-630			GTM3-800
Rated current		12.5, 16, 20, 25, 32, 40, 50, 63, 80, 100, 125				16, 20, 25, 32, 40, 50, 63, 80, 100, 125, 160				100, 125, 160, 180, 200, 225, 250				200, 225, 250, 315, 350, 400				400, 500, 600			500, 630, 700, 800
Poles		2, 3, 4				2, 3, 4				2, 3, 4				2, 3, 4				2, 3, 4			2, 3, 4
Rated insulating voltage(V)		690				690				690				690				690			690
Rated operating voltage(V)		400/690				400/690				400/690				400/690				400/690			400/690
Breaking capacity grade		E	S	M	H	S	H	L		S	M	H	L	S	M	H	L	S	M	H	S	M	H
Ultimate short circuit breaking capacity Icu(KA)	AC 400V	15	25	35	50	35	50	80		35	50	65	85	35	50	65	85	50	65	80	50	65	80
	AC 690V	/	/	8	10	8	10	/		10	16	18	20	16	20	25	25	20	25	30	20	25	30
	DC 250V	/	20	20	40	20	40	40		40	40	40	40	40	40	40	40	40	40	40	40	40	40
Operating short circuit breaking capacity Icu(KA)	AC 400V	7	16	25	42	18	42	50		18	30	48	60	18	30	48	60	30	48	60	30	48	60
Outline dimensions	L	120				120				170				254				268			268
	W(3P/ 4P)	76/ 101				90/ 120				105/ 140				140/ 184				210/ 280			210/ 280
	H	70		80		70			80	101.5				101.5				101.5			101.5
Installation dimensions	A(3P/ 4P)	25/ 50				30/ 60				35/ 70				43.75/ 87.5				70/ 140			70/ 140
	B	100				100				139				214				237			237
	d	4.5				4.5				5.5				5.5				5.5			5.5

More Product Features