Categories	MCCB
Model	GKM1
Rack rated current (A)	63,100,160,250,400,630
Rated working voltage (V)	AC400V
Rated insulation voltage (V)	690V,800V

Applicable work environment

Altitude 2000m and below	Pollution degree 3
Can withstand the effects of humid air	Can withstand the effects of salt spray and oil mist
Can withstand the effects of mold	Maximum inclination is ±22.5°
Works reliably when subjected to normal vibration of the ship	Works reliably under earthquake conditions (4g)
The surrounding medium temperature is not higher than +40 °C (+45 °C for marine products) and not lower than -5 °C
In a medium without explosion hazard, and the medium does not have enough gas and conductive dust to corrode metal and destroy insulation.
In places where there is no rain or snow

Technical performance index

model	Rack rated current(A)	Rated current(A)	Rated working voltage(V)	Rated insulati on voltage(V)	Rated kunut short-circuit breaking breaking capacity kA 400V	Rated operating short-circuit breaking capacity kA 400V	Dimensions			Installation size (in front of the board)
							L	W 3P/4P	H	A	B	4-Φd
GKM1-63L	63	(6)、10、16、20、25、32、40、50、63	AC400V	690V	35	22	135	78	73.5	25	117	Φ4.5
GKM1-63M					50	35	135	78/103	81.5
GKM1-100L	100	(10)、16、20、25、40、50、63、80、100	AC400V	690V	35	18	150	92	68	30	129	Φ4.5
GKM1-100M					50	35	150	92/120	86
GKM1-100H					85	50
GKM1-160L	160	(10)、16、20、25、40、50、63、80、100	AC400V	800V	50	35	150	98	68	30	129	Φ4.5
GKM1-160M					75	50	150	92/122	86
GKM1-160H					85	50
GKM1-250L	250	100、125、140、160、180、200、225、250	AC400V	690V	35	25	165	107	86	35	126	Φ4.5
GKM1-250M					50	35	165	107/142	103
GKM1-250H					85	50
GKM1-400L	400	255、250、315、350、400	AC400V	800V	50	35	257	150/198	105	44	194	Φ7
GKM1-400M					65	50	257	150/198	105
GKM1-400H					100	65
GKM1-630L	630	400、500、630	AC400V	800V	50	35	270	182/240	110	58	200	Φ7
GKM1-630M					65	50	270	182	110
GKM1-360H					100	65

cross-sectional area of the connecting wire and the corresponding rated current

Rated current value(A)	10	16,20	25	32	40,50	63	80	100	125	160	180,200,255	250	315,350	400
Wore cross-sectional area(mm²)	1.5	2.5	4	6	10	16	25	35	50	70	95	120	185	240

Rated current value(A)	cable		Copp er row
Rated current value(A)	Cross-sectional area(mm²)	Quantity	size(mm×mm)	Quantity
500	150	2	30×5	2
630	185	2	40×5	2
700,800	200	2	40×5	2

Power loss

model	Current(A)	Three-pole total power loss(VA)
model	Current(A)	Front panel,rear panel wiring	Plug-in wiring
GKM1 -63(L、M) Direct heating(10~25A)	25	28	32
GKM1 -100(L、M、H) DIrect heating(10~25A)	25	40	45
GKM1 -63(L、M) Inter-heat(32~63A)	63	20	24
GKM1 -100(L、M、H) Inter-heat(32~100A)	100	35	40
GKM1 -160(L、M、H)	160	48	55
GKM1 -250(L、M、H)	250	62	70
GKM1 -400(L、M、H)	400	115	125
GKM1 -630(L、M、H)	630	187	200
GKM1 -800(L、M)	800	262	-

Dimensional mounting dimensions

GKM1-63 (L,M) board front wiring size(three-pole,four- pole) X-X,Y-Y three- pole circuit breaker

GKM1- -63(L、MD) Post- -board wiring size (Three poles, four poles)X- X、Y- YThree pole circuit breaker center

GKM1-63(L、M) Plug-in boardrearwiringsize(Threepoles, fourpoles)X-X、Y-YThree-pole circuitbreaker center

GKM1-100/ 160(L、M、H) Front panel wiring size(three-pole,four-pole) X- X, Y-Y three-pole circuit breaker center

GKM1-100/160(L、M、H) Board rear wiring size (three-pole, four-pole) X X, Y-Y three pole circuit breaker center

GKM1-100/160(L、M、H) Plug-in board rear wiring size (three pole, four-pole) X- X, Y-Y is the three pole circuit breaker center H) Front panel wiring size (three pole, four pole) X-X, Y-Y is the three- pole circuit breaker center