1. Protection against overload and short-circuit currents
2. Protection against the effects of sinusoidal alternating earth fault currents
3. Protection against indirect contacts and additional protection against direct contacts.
4. Protection against fire hazard caused by insulation faults
5. Used in residential building
6. According to the type of instantaneous release classified as follows : type B(3-5)ln, type C(5-10)ln， type D(10-20)ln
| Type | Test current | Tripping time | Expected result |
| B,C,D | 1.13In | t≤1h(In≤63A) | Not tripping |
| 1.13In | t≤2h(In>63A) | ||
| B,C,D | 1.45In | t<1h(In≤63A) | Tripping |
| 1.45In | t<2h(In>63A) | ||
| B,C,D | 2.55In | 1s<t<60s(In≤32A) | Tripping |
| 2.55In | 1s<t<120s(In>32A) |
| Type | Test current | Tripping time | Expected result |
| B | 3In | t≤0.1s | Not tripping |
| C | 5In | t≤0.1s | |
| D | 10In | t≤0.1s | |
| B | 5In | t＜0.1s | Tripping |
| C | 10In | t＜0.1s | |
| D | 20In | t＜0.1s |
| Type | Standard | IEC/EN 61009-1 | |
| Electrical features |
Poles | P | 1P+N |
| Type(wave form of the earth leakage sensed) | AC | ||
| Thermo-magnetic release characteristic | B, C, D | ||
| Rated current In | A | 6, 10, 16, 20, 25, 32, 40, 50, 63 | |
| Rated voltage Ue | V | 230 | |
| Rated sensitivity lΔn | A | 0.03, 0.05, 0.1 | |
| Rated residual making and | A | 500(In≤40A) 630(In＞40A) | |
| breaking capacity lΔm | |||
| Rated short-circuit capacity lcn | A | 4500 | |
| Break time under lΔn | s | ≤0.1 | |
| Rated frequency | Hz | 50/60 | |
| Rated impulse withstand voltage(1.2/50)Uimp | V | 4000 | |
| Dielectric test voltage at ind.Freq.for 1min | kV | 2 | |
| Insulation voltage Ui | V | 500 | |
| Pollution degree | 2 | ||
| Mechanical features | Electrical life | t | 4000 |
| Mechanical life | t | 10000 | |
| Contact position indicator | Yes | ||
| Protection degree | IP20 | ||
| 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 | 3月18日 | ||
| Terminal size top/bottom for busbar | mm² | 25 | |
| AWG | 3月18日 | ||
| Tightening torque | N*m | 2 | |
| In-Ibs | 18 | ||
| Mounting | On DIN rail EN60715(35mm)by means of fast clip device | ||
| Connection | From top |
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