Air Circuit Breakers : Ratings : AKH Series : AKH-40G, AKH-50G, AKH-63G

Type					AKH-40G	AKH-50G	AKH-63G
Ampere frame (AF)					4000	5000	6300
Rated current (in max) at 40℃	(A)				4000	5000	6300
Setting current* Control trip relay (… × in max)	(A)				(0.4 – 1.0) x In max
Rated current of neutral pole	(A)				4000	5000	6300
Rated insulation voltage (Ui)	(V)				1,000
Rated operating voltage (Ue)	(V)				690
Rated impulse withstand voltage (Uimp)	(kV)				12
Frequency	(Hz)				50 / 60
Number of poles	(P)				3, 4
Rated breaking capacity(Icu) AC 50 / 60Hz	(kA sym)	IEC 60947-2 JISC 8201-2-1	220V / 230V / 380V / 415V		150
			460V / 480V / 500V		150
			550V / 600V / 690V		100
Rated service breaking capacity (Ics)	(kA)	…% × Icu			100%
Rated making capacity AC 50 / 60Hz (Icm)	(kA peak)	IEC 60947-2 JISC 8201-2-1	220V / 230V / 380V / 415V		330
			460V / 480V / 500V		330
			550V / 600V / 690V		220
Rated shot-time withstand current (Icw)	(kA)	1 sec			100
		2 sec			100
		3 sec			100
Operating time	(ms)	Maximum total breaking time			40
		Maximum closing time			80
Life cycle	(time)	Mechanical	Without maintenance		10,000
			With maintenance		15,000
		Electrical	Without maintenance		2,000
			With maintenance		5,000
Connections**		Draw-out / Fixed	Horizontal connection		○
			Vertical connection		●
			Front connection		-
			Mixed connection		-
Weight (3P / 4P)	(kg)	Draw-out type	Main body (With cradle)	Motor charging type	181 / 223
				Manual charging type	179 / 221
			Cradle only		97 / 117
		Fixed type		Motor charging type	98 / 123
				Manual charging type	96 / 121
External dimensions (H x W x D)	(mm)	Draw-out type		3P	460 x 785 x 375
				4P	460 x 1,015 x 375
		Fixed type		3P	300 x 751 x 295
				4P	300 x 981 x 295
Trip relay					N, A, P, S type
Certificate & Approval					KEMA

Note

*

Refer to trip relay specification.

**

●: Standard, ○: Option

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