DAB7 series Miniature Circuit breaker(MCB) 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

Product Details

DAB7N-40 series DPN Miniature Circuit breaker(MCB)

Introduction

DAB7N-40 Series miniature circuit breaker adopts double-break point of 1P+N,the two poles are insulated and isolated from each other,under synchronous operation,N-pole always will make first and break later, which guarantees electric arc breaking capacity of protected pole, also ensures safety of controlled circuits and electric equipment.

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 miniature 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-40 miniature 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			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
		b	80.7
		c	72

Drawings

High-strength cartons, pallet protection, good for long-distance export transport

Why choose us?

1. We are the leading manufacture for 30 years. Our company founded in 1986, develop very fast during 30 years.

2. Factory audited by INTERTEK,DEKRA&GMC

3.Our Production and Project managers, coupled with our in-house engineers can guide you through the process preventing unnecessary delays or roadblocks. 

4.While each and every single one of our employees is subject to rigorous quality control focuses training, we currently have 5 dedicated QC employees and 1 dedicated QC Manager on staff at all times.

5.Tracking of defects is part of our ISO 9001:2008 certification, and a core task assigned to our Quality Control department. 

6.Most of our customers provide us with product or packaging specifications right on their design prints. We would be happy to work with you to fulfill your requirements.

7.World famous electricity Power Gen exhibition 

Our exhibition covers the world, Dubai, Brazil, Russia, Hanover, Egypt, Austria,Iran, Mexico and other professional power exhibitions

FAQ

Q: How long is your delivery time?

A: Generally it will take 25 days upon receipt of order confirmation.If it is urgent order,we’ll negotiate to plug your order first but its better inform us as earlier as you can. 

Q: Do you provide samples ? is it free or extra ?

A:The sample are free of charge, freight cannot be for free; After you order it, we can charge off from mass orders.

Q: What is your terms of payment ?

A: We accept TT,30% deposit and 70% balance against copy of BL

B. L/C at sight

Q: Can you accept OEM our brand ?

A: We accept OEM your brand, but it depends on your order quantity.

Q:What is your main market?Turnover?

A:Our main market is middle east,Europe,and turnover is roughly 20 million

USD per year.

Q:Do you have interest to do our own design items?

A:Absolutely!We have big interest!

Q:How many staffs in your company?

A:Roughly 300 in workshop, and 10 inspectors.

If you have any further questions, please let us know.

WENZHOU SINCERE TRADING CO.,LTD