China New Product 50a Circuit Breaker - DAB7N-40 Series DPN Miniature Circuit Breaker(MCB) – DaDa
- Contact Us
- Address: Shanghai DaDa Electric Co.,Ltd.
- Phone: 0086-15167477792
- Email: charlotte.weng@cdada.com
China New Product 50a 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) |
|
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| Poles |
1P |
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| Electrical performance | |||
| Functions |
short circuit protection,overload protection,isolationg,control |
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| Rated frequency f（Hz） |
50-60Hz |
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| Rated working voltage Ue（V）AC |
230 |
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| Rated current In ( A) |
40 |
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| Rated insulated voltage Ui( V) |
500 |
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| Impulse withstand voltage Uimp(kV) |
4 |
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| Instantaneous tripping type |
B/C |
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| Rated short circuit Icn(kA) | DAB7-40 |
6 |
|
| Release type |
Thermal magnetic type |
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| Service life(O~C) |
Mechanical |
Actual value |
12000 |
| Standard value |
4000 |
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|
Electrical |
Actual value |
6000 |
|
| Standard value |
4000 |
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| Connection and installation | |||
| Protectiom degree |
IP20 |
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| Wire mm² |
1~35 |
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| Working temperature |
-5～+40℃ |
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| Resistance to humidity and heat |
Class 2 |
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| Altitude above sea |
≤2000 |
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| Relative humidity |
+20℃,≤90% ;+40℃,≤50% |
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| Pollution degree |
2 |
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| Installation environment |
Avoid obvious shock and vibration |
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| Installation class |
ClassⅡ, ClassⅢ |
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| Mounting |
DIN35 rail |
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| Combination with accessories | |||
| Auxiliary contact |
Yes |
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| Alarm contact |
Yes |
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| Shunt release |
Yes |
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| Undervoltage release |
Yes |
||
| Auxiliary contact+Alarm contact |
Yes |
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| Dimensions(mm) (WxHxL) |
a |
18 |
|
|
b |
80.7 |
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|
c |
72 |
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Product detail pictures:
Related Product Guide:
We are commitment to offer you the aggressive price tag ,exceptional products and solutions high-quality, as well as fast delivery for China New Product 50a Circuit Breaker - DAB7N-40 Series DPN Miniature Circuit Breaker(MCB) – DaDa , The product will supply to all over the world, such as: Lyon, Austria, New York, We have more than 8 years of experience in this industry and have a good reputation in this field. Our products have won praise from customers worldwide. Our aim is to help customers realize their goals. We are making great efforts to achieve this win-win situation and sincerely welcome you to join us.
By Alice from Doha - 2018.12.10 19:03
Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
By lucia from Senegal - 2018.07.27 12:26
