Description
YCB9-63 MCB
1. Overload protection
2. Short circuit protection
3. Controlling
4. Used in residential building, non-residential building, energy source industry and infrastructure.
5. 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
2. Short circuit protection
3. Controlling
4. Used in residential building, non-residential building, energy source industry and infrastructure.
5. 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
General
| lype | lest current | Tripping time | Expected result | Type | Test current | Tripping time | Expected resut |
| 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 | 10In | 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 | 0In | t<0.1s | |
| 2.55In | 1s<t<120s(In>32A) | D | 20In | <0.1s |
1. Overload protection
2. Short circuit protection
3. Controlling
4. Used in residential building, non-residential building, energy source industry and infrastructure.
5. 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
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