| Model | Frame size rated current |
Number of poles | Tripping characteristics |
Rated current |
| YCB3 | 63 | 1P | C | 16 |
| Miniature Circuit breaker |
63 | 1P 2P 3P 4P |
BCD | 1 2 4 6 10 16 20 25 32 40 50 63 |
| 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 | 2.25In | 1s<t <60s(In≤32A) | Tripping | C | 10ln | t<0.1s | ||
| 2.25In | 1s<t<120s(In>32A) | D | 20ln | t<0.1s |
| Type | Standard | IEC/EN 60898-1 | |
| Electrical features |
Rated current In | A | 1,2,4,6,10,16,20,25,32,40,50,63 |
| Poles | P | 1,2,3,4 | |
| Rated voltage Ue | V | 230/400 | |
| Insulation voltage Ui | V | 500 | |
| Rated frequency | Hz | 50/60 | |
| Rated breaking capacity | A | 6000 | |
| Rated impulse withstand voltage(1.2/50)Uimp | V | 6000 | |
| Dielectric test voltage at ind.Freg.for 1min | kV | 2 | |
| Pollution degree | 2 | ||
| Thermo-magnetic release characteristic | B,C,D | ||
| Mechanical features |
Electrical life | t | 6000 |
| Mechanical life | t | 20000 | |
| Protection degree | IP20 | ||
| Reference temperature for setting of thermal element | ℃ | 30 | |
| Ambient temperature(with daily average≤35℃) | ℃ | -5~+40 | |
| Storage temperature | ℃ | -25~+70 | |
| Installation | Terminal connection type | Cable/Pin-type busbar | |
| Terminal size top/bottom for cable | mm² | 25 | |
| AWG | 18-3 | ||
| Terminal size top/bottom for busbar | mm² | 25 | |
| AWG | 18-3 | ||
| Tightening torque | N*m | 2 | |
| In-lbs | 18 | ||
| Mounting | On DIN rail EN 60715(35mm)by means of fast clip | ||
| Connection | From top or bottom |
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