High reputation 250 Amp Circuit Breaker - DAB7N-40 Series DPN Miniature Circuit Breaker(MCB) – DaDa

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Address: Shanghai DaDa Electric Co.,Ltd.
Phone: 0086-15167477792
Email: charlotte.weng@cdada.com

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We keep on with our business spirit of "Quality, Performance, Innovation and Integrity". We goal to create much more worth for our customers with our rich resources, state-of-the-art machinery, experienced workers and exceptional providers for Double Circuit Breaker, Safety Circuit Breaker, 3 Phase Circuit Breaker, We warmly welcome your participation according to mutual rewards during the around long term.

High reputation 250 Amp Circuit Breaker - DAB7N-40 Series DPN Miniature Circuit Breaker(MCB) – DaDa Detail:

Advantages

• Two types of overcurrent protection – thermal and electromagnetic.
• Independent contact position indicator.
• DIN rail latch with a double fixed position.
• 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.

Electrical Parameters of DAB7N-40 Min iature Circuit Breaker

Standard of conformity: IEC60898, GB10963
Rated power: 50-60HZ
Rated voltage: 230V
Rated current: 40A
Rated insulation voltage: 500V
Impulse withstand voltage: 4KV
Endurance: no less than 180,000 times of on-off
Instantaneous trip type: B/C
Rated breaking capacity: 6
Release type: thermo-magnetic

Mechanical Parameters of DAB7N-40Miniature Circuit Breaker

Protection grade: IP20
Electric wire: 1~35mm2
Working temperature: -5~+40℃
Flame retardant grade: grade2
Altitude: ≤2000
Class of pollution: 2
Installation environment: Avoid obvious shock and vibration
Installation grade: grade II
Installation method: Using 35mm guide rail according to IEC standard
Terminal type: Dual-purpose terminal can be connected to the bus bar and conductor.
Terminal connection ability: conductor 1-25mm2, bus bar thickness 0.8-2mm
Guide rail: DIN35guide rail

Technical Features

MCB DAB7-40
For protection of general power distribution (IEC/EN 60898-1)
Poles			1P
Electrical performance
Functions			short circuit protection,overload protection,isolationg,control
Rated frequency f（Hz）			50-60Hz
Rated working voltage Ue（V）AC			230
Rated current In ( A)			40
Rated insulated voltage Ui( V)			500
Impulse withstand voltage Uimp(kV)			4
Instantaneous tripping type			B/C
Rated short circuit Icn(kA)		DAB7-40	6
Release type			Thermal magnetic type
Service life(O~C)	Mechanical	Actual value	12000
		Standard value	4000
	Electrical	Actual value	6000
		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			ClassⅡ, ClassⅢ
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
		b	80.7
		c	72

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With our excellent management, strong technical capability and strict quality control system, we continue to provide our clients with reliable quality, reasonable prices and excellent services. We aim at becoming one of your most reliable partners and earning your satisfaction for High reputation 250 Amp Circuit Breaker - DAB7N-40 Series DPN Miniature Circuit Breaker(MCB) – DaDa , The product will supply to all over the world, such as: Malta, Congo, Yemen, Hard work to keep making progress, innovation in the industry, make every effort to first-class enterprise. We try our best to build the scientific management model, to learn abundant professional knowledge, to develop advanced production equipment and production process , to create the first-call quality products, reasonable price , high quality of service , quick delivery , to give you create new value .

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