New era series Miniature Circuit breaker(MCB)
Introduction
New era are intended for protecting distribution and group systems having different loads:
- electric appliances, lighting – V characteristic switches;
- drives with moderate starting currents (compressor, fan group) - C characteristic switches;
- drives with high starting currents (hoisting mechanisms, pumps) - D characteristic switches;
Miniature circuit breaker BA47-29 are recommended for use in electrical distribution panels of residential and public buildings.
Advantages
· Two types of short circuit protection.
· Wide range of operating temperatures from –40 to +50° С.
· Updated wider engagement lever with improved contact area.
· Notches on terminal clamps provide for lowering thermal losses and boosting the mechanical stability of connection.
| MCB New era | ||||||
| For protection of general power distribution (IEC/EN 60898-1) |
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| Poles |
1P |
2P |
3P |
4P |
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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 |
230/400 |
400 |
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| Rated current In A |
6,10,16,20,25,32,40,50,63 |
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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 |
New era |
B/C/D |
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| Rated short circuit Icn(kA) |
New era |
4.5 |
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| Release type |
Thermal magnetic type |
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Service life(O~C) |
Mechanical |
Actual value |
20000 |
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| Standard value |
4000 |
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Electrical |
Actual value |
8000 |
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| 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 |
Class Ⅱ , Class Ⅲ |
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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 |
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| Auxiliary contact+Alarm contact |
Yes |
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Dimensions(mm) (WxHxL)  |
a |
17.5 |
35 |
52.5 |
70 |
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b |
80.2 |
80.2 |
80.2 |
80.2 |
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c |
76.5 |
76.5 |
76.5 |
76.5 |
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