Manufacturer for Mcb 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
Manufacturer for Mcb 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 |
||
| Rated current In ( A) |
40 |
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| Rated insulated voltage Ui( V) |
500 |
||
| 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 |
||
|
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 |
||
| 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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Product detail pictures:
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