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YCB9-63R series Miniature Circuit Breaker
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YCB9-63R series Miniature Circuit Breaker
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YCB9-63R series Miniature Circuit Breaker
YCB9-63R Series Miniature circuit breaker is applicable to protecting from overload and short circuit in the circuit of AC 50/60Hz, Rated voltage 230/400V rated current 63A,it also can be used in switch the infrequent operation of the circuit under normal conditions. It’s mainly used in industry, commerce, high-rise buildings and residential houses and so on.
Standard: IEC 60898-1
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Product Details
Operating conditions
- Circumstance temperature -5℃~+40℃, average temperature within 24h not exceeding +35℃.
- Altitude above sea level less than 2000m.
- Humidity not exceeding 50% at 40℃ and not exceeding 90% at 25℃.
- Installation class ll or III.
- Installation method DIN Rail mountingtype.
- Product shall be installed at the place where there shall be no severe impact and vibration.
- The product should locate in the places where there are no obvious impact and shake.
Basic Specifications
| Ui | 500V | |
| Number ofpoles | 1P/2P | 3P4P |
| Rated trequencyHz | 50/60 | |
| Rated voltageUe | AC230V/400V | AC400V |
| Rated Current In | 1A,2A,3A,4A,6A,8A,10A,13A, 16A,25A,32A,40A,50A,63A |
|
| Therm0-magnefic release characteristic | B/C/D | |
| Rated shortcircut breaking capacltylon | 15kA | |
Overcurrent Protection Characteristics
| Test | Test estcurren |
Initial status | Time limit for tripping or nottripping |
Expected resut |
Testing environment temperature |
Remarks | |
| a | BCD | 1.13In | cold state | t≤1h | Nottripping | 30℃~35℃ | current ncrease steadily within 5s |
| b | BCD | 1.45In | Right after testnumbera |
t<1h | Tripping | ||
| C | BCD | 2.55 | cold state | 1s<t<60s (In≤32A) 1s<t<120s (In>32A) |
Tripping | ||
| d | BCD | 3In 5In 10In |
cold state | ts0.1s | Nottripping | Tum on the power supply byclosng the auxilian switch |
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| e | BCD | 5In 10In 20In |
cold state | t<0.1s | Tripping | Tumonthepower supply byclosng the auxilian switch |
|
| Note:The terminology"Cold state"means that the testis performed at the base calibrationtemperature with no load prior to the test. |
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