Zhejiang Sefie Electric Co.,Ltd.
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1P / 2P / 3P / 4P 6A -63A Electrical Type MCB Mini Circuit Breaker
| Electrical Feature | ||
| 1,2,3,4,6,10,16,20,25,32,40,50,63 | ||
| Poles | 1P,2P,3P,4P | |
| Rated Voltage(V) Ui | 230/400~240/415 | |
| Insulation Voltage(V) Ui | 500 | |
| Rated frequency (Hz) | 50 | |
| Tripping curve | B,C,D Type | |
| Standard | IEC60898-1 | |
| Breaking capacity(Ka) | 10 | |
| Power loss per pole | Rated current(A) | Max power loss per pole(w) |
| 1,2,3,4,6,10 | 2 | |
| 16,20,25,32 | 3.5 | |
| 40,50,63 | 5 | |
| Pollution degree | Ⅱ | |
| Energy limiting class | 3 | |
| Mechanical features | |
| Electrical life | 4000 |
| Mechanical life | 20000 |
| Contact position indicator | NO |
| Protection degree | IP20 |
| Reference temperature for setting of thermal element | 30℃ |
| Working ambient temperature | -5~40℃ |
| Storage temperature | -25~70℃ |
| Installation | |
| Terminal connection type | Cable |
| Mounting | On DIN rail IEC60715(35MM) By means of fast clip device |
Temperature derating
The maximum permissible crrent in a circuit breaker depends on the ambient temperature where the circuit breaker is placed.Amperature is the temperature in side the enclosure or switchboard in The reference temperature is 30℃
| Rated current(A) | -35℃ | -30℃ | -20℃ | -10℃ | 0℃ | 10℃ |
| 1 | 1.3 | 1.26 | 1.23 | 1.19 | 1.15 | 1.11 |
| 2 | 2.6 | 2.52 | 2.46 | 2.38 | 2.28 | 2.2 |
| 3 | 3.9 | 3.78 | 3.69 | 3.57 | 3.42 | 3.3 |
| 4 | 5.2 | 5.04 | 4.92 | 4.76 | 4.56 | 4.4 |
| 6 | 7.8 | 7.56 | 7.38 | 7.14 | 6.86 | 6.6 |
| 10 | 13.2 | 12.7 | 12.5 | 12 | 11.5 | 11.1 |
| 16 | 21.12 | 20.48 | 20 | 19.2 | 18.4 | 17.76 |
| 20 | 26.4 | 25.6 | 25 | 24 | 23 | 22.2 |
| 25 | 33 | 32 | 31.25 | 30 | 28.75 | 27.75 |
| 32 | 42.56 | 41.28 | 40 | 38.72 | 37.12 | 35.52 |
| 40 | 53.2 | 51.2 | 50 | 48 | 46.4 | 44.8 |
| 50 | 67 | 65.5 | 63 | 60.5 | 58 | 56 |
| 63 | 83.79 | 81.9 | 80 | 76.86 | 73.71 | 70.56 |
| Rated current(A) | 20℃ | 30℃ | 40℃ | 50℃ | 60℃ | 70℃ |
| 1 | 1.05 | 1 | 0.96 | 0.93 | 0.88 | 0.83 |
| 2 | 2.08 | 2 | 1.92 | 1.86 | 1.76 | 1.66 |
| 3 | 3.12 | 3 | 2.88 | 2.79 | 2.64 | 2.49 |
| 4 | 4.16 | 4 | 3.84 | 3.76 | 3.52 | 3.32 |
| 6 | 6.24 | 6 | 5.76 | 5.64 | 5.28 | 4.98 |
| 10 | 10.6 | 10 | 9.6 | 9.3 | 8.9 | 8.4 |
| 16 | 16.96 | 16 | 15.36 | 14.88 | 14.24 | 13.44 |
| 20 | 21.2 | 20 | 19.2 | 18.6 | 17.8 | 16.8 |
| 25 | 26.5 | 25 | 24 | 23.25 | 22.25 | 21 |
| 32 | 33.92 | 32 | 30.72 | 29.76 | 28.16 | 26.88 |
| 40 | 42.4 | 40 | 38.4 | 37.2 | 35.6 | 33.6 |
| 50 | 53 | 50 | 48 | 46.5 | 44 | 41.5 |
| 63 | 66.78 | 63 | 6048 | 58.9 | 55.44 | 52.29 |