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YCB7-63N 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
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Product Details
General
The YCB7-63N series miniature circuit breaker are suitable for overcurrent protection building line facilities and similar purposes in AC 50/60Hz, rated voltage 230V/400V, rated current up to 63A circuits. They have
isolation, overload, and short circuit protection functions, and can also be used for infrequent operation and switching of lines undernormal circumstances. Circuit breakers are suitable for various places such as
industry,commerce, high-rise buildings, and residential buildings.
Standard: IEC/EN 60898-1.
Selection
| YCB7 | - | 63 | N | 1P | C | 16 |
| Model | Shell grade current | Breaking capacity | Number of poles | Tripping characteristics |
Rated curren | |
| Miniatur circuit breaker e |
63 | N:6kA | 1P 2P 3P 4P |
B C D |
1 2 4 6 10 16 20 25 32 40 50 63 80 |
Note:This product can be assembled with accessories(YCB7-63N OF/SD/OF+SD/ MX/ MVMN/MX+OF, etc)
Technical data
| Type | Standard | IEC/EN 60898-1 | ||
| Comprehensive data | Function | Overload, Short circuit, Isolation | ||
| Number of poles | 1P,2P,3P,4P | |||
| Rated current In | A | 1-63A | ||
| Rated frequency | Hz | 50/60Hz | ||
| Electrical features | Rated voltage Ue | V | 230/400 | |
| Rated insulation voltage Ui | V | 500 | ||
| Rated breaking capacity Icn | 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 | 口 | |||
| Mechanical features | Mechanical life | Times | 20000 | |
| Electrical life | Times | 10000 | ||
| Protection degree | IP20 | |||
| Antihumidity and heat resistance | The relative humidity of the air is not more than 50% when the ambient air temperature is +40°C, and it can have a higher relative humidity at a lower temperature | |||
| Reference ambient temperature | °C | 30 | ||
| Ambient temperature | °C | -5°C-+40°C, the average value of 24h does not exceed +35°C | ||
| Height | m | Not exceeding 2000 | ||
| Installation | Terminal connection type | Cable/Pin-type busbar | ||
| Maximum wire capacity |
Terminal size | mm² | 25 | |
| top/bottom for cable | AWG |
18-3
|
||
| Terminal size | mm² | 25 | ||
| top/bottom for busbar | AWG |
18-3
|
||
| Torque | N*m | 2 | ||
| In-lbs | 18 | |||
| Tool | 18 | Phillips screwdriver or flat-blade screwdriver | ||
| Installation | On DIN rail EN 60715 (35mm) by means of fast clip device | |||
| Wiring method | From top or bottom | |||
Overall and mounting dimensions(mm)
Selection
| 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 | 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 | 10In | t＜0.1s | ||
| 2.55In | 1s<t<120s(In>32A) | D | 20In | t＜0.1s |
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