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YCB7-125 MCB Miniature Circuit Breaker
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YCB7-125 MCB Miniature Circuit Breaker
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
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Product Details
General
1.Overload protection
2.Short circuit protection
3.Controlling
4.Used in residential building,non-residential building,energy source industry and infrastructure
Selection
| Type | Test current | ripping time | Expected result |
| C,D | 1.05In | t≤1h(In≤63A),t≤2h(In>63A) | Not tripping |
| C,D | 1.3In | t≤1h(In≤63A),t≤2h(In>63A) | Tripping |
| C,D | 2.55In | 1s<t<120s | Tripping |
| C | 8In×80% | t≤0.2s | Not tripping |
| D | 12In×80% | t≤0.2s | Not tripping |
| C | 8In×120% | t<0.2s | Tripping |
| D | 121n×120% | t<0.2s | Tripping |
Technical data
| Type | Standard | IEC/EN 60947-2 | |
| Electrical features | Rated current In | A | 63,80,100,125 |
| Poles | 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.Freq.for 1min | kv | 2.5 | |
| Pollution degree | 3 | ||
| Thermo-magnetic release characteristic | (C)li=8In.(D)Ii=12lr | ||
| Mechanical features | Electrical life | 1500 | |
| Mechanical life | t | 10000 | |
| Contact position indicator | Yes | ||
| Protection degree | IP20 | ||
| Reference temperature for setting | 30 | ||
| of thermal element | |||
| Ambient temperature | ℃ | 5~+40(Special application please refer to temperature compensation correction) | |
| (with daily average ≤35℃) | |||
| Storage temperature | ℃ | -25～+70 | |
| Installation | Terminal connection type | ℃ | Cable/Pin-type busbar |
| Terminal size top /bottom for cable | mm² | 50 | |
| AWG | 18-1/0 | ||
| Terminal size top /bottom for busbar | mm² | 50 | |
| AWG | 18-1/0 | ||
| Tightening torque | N*m | 3.5 | |
| In-Ibs | 31 | ||
| Mounting | On DIN rail EN60715(35mm)by means of fast clip device | ||
| Connection | From top and bottom |
Overall and mounting dimensions(mm)
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