Active Member
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[China]
Address: Xiangyang Industrial Zone,Liushi,Wenzhou,china
Contact name:
Zhejiang Sefie Electric Co.,Ltd. |
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4.5Ka Red Copper MCB B / C / D curve Mini Circuit Breaker
1. High short-circuit capacity
2. Tipping curve:B,C,D
3. Pole No.:1,1p+n,2,3,3p+n,4
4. Rated current(A):1,2,3,4,6,10,13,16,20,25,32,40,50,63
5. On symmetrical DIN rail 35.5mm
Electrical Feature | |||
| 1, 2, 3, 4, 6, 10, 16, 20, 25, 32, 40, 50, 63 | |||
| Poles | 1P, 2P, 3P, 4P | ||
| Rate voltage(V) Ue | 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 | ||
The maximum permissible crrent in a circuit breaker depends on the
ambient temperature where the circuit breaker is placed. Ambient
termperature is the temperature in side the enclosure or
switchboard in which the circuit breakers are installed.
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 |
