Item Name; GTM2 series Mould Case Circuit Breaker

GTW2Series mould case circuit breaker, rated insulation voltage 800V, is suitable in electric network of AC50Hz, rated operative voltage up to 690V, rated current front 6A to 1250A, It is normally used in power distribution, but also for electric motor protection. With the function of protection against overload, short circuit breaker and under voltage. In normal conditions, used as unfrequent switch of circuit and start of electric motor.

Installation type of MCCB: MCCB are suitable of vertical or horizontal insulation;
According to use of MCCB: Distribution circuit protection type, motor protection type;
According to connection way: Front panel connection, back panel connection, plug-in, draw out;
According to overload release type: Magnetic release(instantaneous), thermodynamic magnetic(dual), intelligent.
Standard: IEC 60947-2

Rated frame current			63		100			225			400		630.800			1250
Model			GTM2-63		GTM2-100			GTM2-225			GTM2-400		GTM2-630 GTM2-800			GTM2-1250
Rated current			6.10.16.20.25. 32.40.50.63		16.20.25.32.40 50.63.80.100			100.125.140.160. 180.200.225			200.250.315 350.400		400.500.630 700.800			630.700.800. 1000.1250
Poles			2.3.4		2.3.4			2.3.4			3.4		3.4			3
Rated insulating current Ui			660		800			800			800		800			800
Rated operating Voltage Ue			440		690			690			690		690			690
Operating times		on	6000		6000			2000			1000		500			500
		off	8500		8500			7000			4000		2500			2500
Breaking capacity grades			S	H	S	H	R	S	H	R	S	H	S	H	R	S	H
Rated ultimate short circuit breaking capacity Icu(KA)	690V		/	10	8	20	/	8	20	/	10	20	10	20	/	20	25
	400V		25	50	35	50	85	35	50	85	50	65	50	65	100	65	100
Rated operating short circuit breaking Capacity Ics(KA)	690V		/	5	4	10	/	4	10	/	10	10	10	10	/	18	20
	400V		18	35	25	25	42.5	25	35	42.5	35	40	35	40	50	32.5	40
Outline dimensions	L		135	135	155	155(155)		165	165(165)		257(257)		257(257)			330
	W		76	76	90	90(120)		105	105(140)		140(183.5)		210(280)			210
	H		73.5	81.5	68	86(86)		86	103(103)		103(103)		103(103)			137
Installation dimensions	A		117		132			126			194		243			299
	B		25		30			35			44		70			70
	d		3.5		4.5			5			7		7			9