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DGB7-125

DGB7-125 miniature case circuit breaker is used in AC 50/60 line with rated voltage 230V (for 1P) or 400V (for 2P/3P/4P) and rated current up to 125A for overload and short-circuit protection. It can also be used for infrequent ON/OFF switching of the line under the normal operation. The circuit breaker is characterized by artistic shape, small size, light weight, excellent and reliable performance, high breaking capacity, quick tripping, and rail-mounted installation

Type designation
Product Information
Inquiry
Technical Data
Related Products

DGB7	Enterprise code
125	Breaking capacity : 10kA Frame rated current (A)
1P	Number of poles: 1P, 2P, 3P, 4P
C	Instantaneous Trip characteristic type: B,C, D
100	Rated current (A) 32,40,50,63,80 100,125
OF2	OF2 (auxiliary) MX2 (Shunt release)

DGB7-125

Tripping Characteristic Curves

IEC60947-2 / IEC60898-1

Product and installation dimensions(MM)

DGB7-125 should be installed on DIN rail terminal and can be connected to the wire less than 50mm2

Order information

Please specify the product model and specification, and the type, rated current, number of poles, and order quantity of the instantaneous release when ordering.
Order example: DGB7-125series miniature circuit breaker, breaking capacity 10kA, C-type instantaneous
release, rated current 100A, two-pole, 1000
Specified as: DGB7-125 C100 2P 1000 units

Inquiry

Technical Data

Product name	DGB7-125
Standards	IEC60947-2 / IEC60898-1
Certificate	KEMA, CE, CCC, CB
Electrical characteristics
Number of poles	1P,2P,3P,4P
Rated frequency (Hz)	50/60
Frame current (A) Inm	125
Rated current (A) In	32,40,50,63,80,100,125
Rated voltage (V)	AC240V/415V (230V/400V)
Rated insulation voltage (V) Ui	690
Rated impulse withstand voltage (kV)Uimp	4
Rated short-circuit breaking capacity (kA)Ics	6/7.5
Rated short-circuit breaking capacity (kA)Icn	6/10
Instantaneous trip characteristics	B,C,D
Trip form	Thermal magnetic trip
Pollution level	2
Electrical and mechanical accessories	OF2 (auxiliary)/MX2 (Shunt release)
Mechanical properties
Electrical life	1,500(In≤100A), 1,000(In>100A)
Mechanical life	8,500(In≤100A), 7,000(In>100A)
Protection grade	IP20
Indicator window	Contact status indication
Normal operation conditions and installation characteristics
Storage temperature	-35℃ ~ +70℃
Installation site altitude	≤ 2000m
Terminals	Fixed with screw
Maximum wiring capacity	50mm2
Maximum limit torque Nm	3.5
Installation category	Class Ⅱ , Ⅲ
Installation method	35mm standard rail
Incoming method	Upper and lower

Action performance of circuit breaker
	Rated current	Start state	Specified time	Expected results	Remarks
Thermal Release	32-125A	Cold state	1.05 In	t ≤ 2h	Not trip
	32-125A	Hot state	1.3 In	t < 2h	Trip	“Immediately after a) test, the current increases to the specified value within 5s.”
	32-63	Cold state	2.55 In	1s < t < 60s	Trip
	80-125			1s < t < 120s	Trip
Magnetic Release	32-125A	Cold state	5In (C type)	t ≤ 0. 2s	Not trip	Turn on the auxiliary switch for making current
			10In(D type)
	32-125A	Cold state	10In(C type)	t < 0. 2s	Trip	Turn on the auxiliary switch for making current
			14In(D type)
Wiring: Suitable for wire connection of 16mm2 The screws according to the tightening torque 3.5N·m
Rated current (A)				Nominal cross area of copper wire (mm²)
32				6
40-50				10
63				16
80				25
100				35
125				50