Well-designed Circuit Breaker Protection - 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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With our superb management, potent technical capability and strict quality command procedure, we go on to provide our shoppers with trustworthy high-quality, reasonable costs and outstanding services. We goal at becoming considered one of your most trustworthy partners and earning your pleasure for Marine Circuit Breaker, Motor Rated Breaker, 100a Circuit Breaker, In case you are on the lookout for a high quality, quick delivery, very best after support and great value supplier in China for long-term small business connection, we'll be your best choice.

Well-designed Circuit Breaker Protection - 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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We emphasize progress and introduce new solutions into the market each year for Well-designed Circuit Breaker Protection - DAB7N-40 Series DPN Miniature Circuit Breaker(MCB) – DaDa , The product will supply to all over the world, such as: azerbaijan, Sydney, Bolivia, Relying on superior quality and excellent post-sales, our products sell well in America, Europe, the Middle East and South Africa. We are also the appointed OEM factory for several worlds' famous products brands. Welcome to contact us for further negotiation and cooperation.

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