DAB7-63 Nova series Miniature Circuit breaker(MCB)

Miniature circuit breakers DAB7-63 are intended for providing automatic power source cut-off under excess currents.They are recommended for use in group panels (apartment and floor) and distribution boards of residential, domestic, public and administrative buildings.

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Product Description

● 64 items per 8 rated currents ranging from 6 to 63 A.

● This MCB has been obtained ASTA, SEMKO,CB,CE certificate.

dab7-63 nova 4p mcb miniature circuit breaker (3)

Specifications

MCB DAB7-63
For protection of general power distribution (IEC/EN 60898-1)				1P	2P	3P	4P
Poles
Electrical performance
Functions				short circuit protection,overload protection,isolationg,control
Rated frequency f (Hz)				50-60Hz
Rated working voltage Ue V AC				230/400	400
Rated current In(A)				6,10,16,20,25,32,40,50,63
Rated insulated voltage Ui (V)				500
Impulse withstand voltage UimpkV				4
Instantaneous tripping type		DAB7-63N		B/C/D
		DAB7-63H		B/C/D
Rated short circuit Icn(kA)		DAB7-63N		6
		DAB7-63H		10
Release type				Thermal magnetic type
Service life(O~C)	Mechanical		Actual value	20000
			Standard value	4000
	Electrical		Actual value	8000
			Standard value	4000
Connection and installation
Protectiom degree				IP20
Wire mm²				1~35
Working temperature				-5～+40℃
Resistance to humidity and heat				Class 2
Altitude above sea				≤2000
Relative humidity				+20℃,≤90% ;+40℃,≤50%
Pollution degree				2
Installation environment				Avoid obvious shock and vibration
Installation class				Class II , Class III
Mounting				DIN35 rail
Combination with accessories
Auxiliary contact				Yes
Alarm contact				Yes
Shunt release				Yes
Undervoltage release				Yes
Auxiliary contact+Alarm contact				Yes
Dimensions(mm)(WxHxL)			a	18	36	54	72
			b	80	80	80	80
			c	72	72	72	72

Product Features

Two types of overcurrent protection – thermal and electromagnetic.

This series of circuit breaker accessories are specially designed for use in conjunction with DAB7 (63 frame) circuit breakers and are not intended to be used alone.

High Breaker capacity 6/10KA.

The four accessories are installed on the left side of DAB7-63 miniature circuit breakers, the DAB7-OF, DAB7-FB, DAB7-QY are fixed with screws, the DAB7-FL is fixed to both sides with tape, and at the same time can be installed with the guide rail.

Independent contact position indicator.

Adequate printing of all data on the front provides long-term identification

DIN rail latch with a double fixed position.

Energy limiting class: 3

Wide range of operating temperatures from –40 to +50° С.

Wide engagement lever with improved contact area.

Notches on terminal clamps lower thermal losses and boost the mechanical stability of connection.