Zhejiang Sefie Electric Co.,Ltd.
Only quality prosesses market,and improvement gets progress.
Add to Cart
AC MCB 1P 2P 3P 4P 6A 16A 20A 40A 63A AC 230V 400V Electric Mini circuit breaker
1. Connection terminal:Pillar terminal with clamp
2. Connection capacity:Rigid conductor up to 25mm2
3. Protection against both overload and short circuit
4. High short-circuit capacity
5. Easy mounting onto 35mm DIN rail
| Electrical Feature | ||
| 1,2,3,4,6,10,16,20,25,32,40,50,63 | ||
| Poles | 1P,2P,3P,4P | |
| Rated voltage(v)Ue | 230/400~240/415 | |
| Insulation voltage(v)Ui | 500 | |
| RAted frequency(Hz) | 50 | |
| Tipping 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 | |
| Installation | |
| Electrical life | 4000 |
| Mechanical life | 20000 |
| Contact position indicator | NO |
| Protection degree | IP20 |
| Reference temperature for setting of thermal element | 30℃ |
| Wroking 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 ciecuit breaker is placed. Ambient temperature 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 | 60.48 | 58.9 | 55.44 | 52.29 |