Skip to content CB7-63N series MCBs are compact breakers for AC 230/400V circuits, offering overload and short-circuit protection up to 63A. Designed for reliable isolation and occasional switching, they are ideal for residential, commercial, and light industrial use.
Standard: IEC/EN 60898-1.
| CB7 | – | 63 | N | 1P | C | 16 |
| Model | Shell grade current | Breaking capacity | Number of poles | Tripping. characteristics | Rated current | |
| Miniature circuit breaker | 63 | 6kA | 1P 2P 3P 4P | B C D | 1,2,4,6,10,16,20, 25,32,40,50,63 |
| Type | Standard | IEC/EN 60898-1 | ||
| Comprehensive data | Function | Overload, Short circuit, Isolation | ||
| Number of poles | 1P, 2P, 3P, 4P | |||
| Rated current In | A | 1-63 | ||
| Rated frequency | HZ | 50/60HZ | ||
| Electrical features | Rated voltage Ue | V | 230/400 | |
| Rated insulation voltage Ui | V | 500 | ||
| Rated breaking capacity lcn | A | 6000 | ||
| Rated impulse withstand voltage Uimp(1.2/50) | KA | 4 | ||
| Pollution degree | 2 | |||
| Use category | Ⅱ、Ⅲ | |||
| Trip type | Thermal magnetic release | |||
| Thermal magnetic tripping characteristics | B, C, D | |||
| Electrical and mechanical accessories | □ | |||
| Mechanical features | Mechanical life | Times | 20000 | |
| Electrical life | Times | 10000 | ||
| Protection degree | IP20 | |||
| Anti humidity and heat resistance | The relative humidity of the air is not more than 50% when the ambient air temperature is +40℃， and it can have a higher relative humidity at a lower temperature | |||
| Installation | On DIN rail (35mm) | |||
| Type | Test current | Tripping time | Expected result | Type | Test current | Tripping time | Expected result | |
| B,C,D | 1.13In | t≤1h(In≤63A) | Not tripping | B | 3In | t≤0.1s | Not tripping | |
| 1.13In | t≤2h(In>63A) | C | 5In | t≤0.1s | ||||
| B,C,D | 1.45In | t<1h(In≤63A) | Tripping | D | 10ln | t≤0.1s | ||
| 1.45In | t<2h(In>63A) | B | 5In | t<0.1s | Tripping | |||
| B,C,D | 2.55In | 1s<t<60s(In≤32A) | Tripping | C | 10ln | t<0.1s | ||
| 2.55In | 1s<t<120s(In>32A) | D | 20In | t<0.1s |
