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DGB3-40E

DGB3-40E Miniature Circuit Breakers with 4.5KA breaking capacity was designed to provide protection against short circuit and overload for domestic,commercial and industrial electrical installations

Type designation
Product Information
Inquiry
Technical Data
Related Products

DGB3	Enterprise code
40E 4.5KA/6KA	Frame rated current (A) E :6ka,no mark :4.5ka
1P+C	Number of poles: 1P+N
C	Instantaneous Trip characteristic type: B, C
40	Rated current (A) 6,10,16,20,25,32,40

DGB3-40E

Tripping Characteristic Curves

IEC60898- 1

Product and installation dimensions(MM)

DGB3-40E should be installed on DIN rail terminal and can be connected to the wire less than 16mm2

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: DGB3-40E series miniature circuit breaker, breaking capacity 10kA, C-type instantaneous
release, rated current 32A, two-pole, 1000
Specified as: DGB3-40E C32 2P 1000 units

Inquiry

Technical Data

Product name	DGB3-40	DGB3-40E
Standards	IEC60898- 1	IEC60898- 1
Certificate	CE,CB	CE,CB
Electrical characteristics
Number of poles	1P+N	1P+N
Rated frequency (Hz)	50/60	50/60
Frame current (A)Inm	40	40
Rated current (A)In	6,10,16,20,25,32,40	6,10,16,20,25,32,40
Rated voltage (V)	AC230/400	AC230/400
Rated insulation voltage (V)Ui	690	690
Rated impulse withstand voltage (kV)Uimp	4	4
Rated short-circuit breaking capacity (kA)Ics	4.5	6
Rated short-circuit breaking capacity (kA)Icn	4.5	6
Instantaneous trip characteristics	B,C	B,C
Trip form	Thermal magnetic trip	Thermal magnetic trip
Pollution level	2	2
Mechanical properties
Electrical life	10000	10000
Mechanical life	20000	20000
Protection grade	IP20	IP20
Indicator window	Contact status indication	Contact status indication
Normal operation conditions and installation characteristics
Storage temperature	-35℃ ~ +70℃	-35℃ ~ +70℃
Installation site altitude	≤ 2000m	≤ 2000m
Terminals	Fixed with screw	Fixed with screw
Maximum wiring capacity	16mm2	16mm2
Maximum limit torque Nm	2.5	2.5
Installation category	Class Ⅱ , Ⅲ	Class Ⅱ , Ⅲ
Installation method	35mm standard rail	35mm standard rail
Incoming method	Upper and lower	Upper and lower

Action performance of circuit breaker
	Rated current	Start state	Specified time	Expected results	Remarks
Thermal Release	6-40A	Cold state	1.13 In	t ≤ 1h	Not trip
	6-40A	Hot state	1.45 In	t < 1h	Trip	“Immediately after a) test, the current increases to the specified value within 5s.”
	≤32	Cold state	2.55 In	1s < t < 60s	Trip
	>32			1s < t < 120s	Trip
Magnetic Release	6-40A	Cold state	3In(B type)	t ≤ 0. 1s	Not trip	“Turn on the auxiliary switch for making current”
			5In (C type)
			10In(D type)
	6-40A	Cold state	5In(B type)	t < 0. 1s	Trip	“Turn on the auxiliary switch for making current”
			10In(C type)
			14In(D type)
Wiring: Suitable for wire connection of 16mm2 The screws according to the tightening torque 2N·m
Rated current (A)				Nominal cross area of copper wire (mm²)
1, 2, 3, 4, 5, 6				1.5
10				2.5
16, 20				4
25				6
32				10
40				16