YIFA high breaking miniature intelligent electronic circuit breaker MCB YFB6-80 series
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A current limiting high breaking capacity miniature circuit breaker with over-load and short-circuit protection.
It is suitable in AC 50/60Hz circuits with a rated voltage up to 230/400V.
Product Description
A current limiting high breaking capacity miniature circuit breaker with over-load and short-circuit protection.
It is suitable in AC 50/60Hz circuits with a rated voltage up to 230/400V.
It can be used as overload and short circuit protections and is not suitable for protection of a motor.
Standard: GB10963.1
| Model | Rated Current(A) | Type(Electrode) | Voltage | Breaking Capacity(A) |
| YFB6-63 | 1-63 | 1 | 230 | 6000 |
| 2,3,4 | 400 | |||
| YFB6-63H | 1-63 | 1 | 230 | 10000 |
| 2,3,4 | 400 |
| No. | Model and Specification | Starting State | Test Current(A) | Test Duration | Expected Results | Remarks |
| 1 | All values | Cold state | 1.13In | t≥h | Non-tripping | |
| 2 | All values | Thermal state | 1.45In | t<h | Tripping | Immediately following 1 test item |
| 3 | In≤32 | Cold state | 2.55In | 1s<t≤60s | Tripping | |
| In>32 | 1s<t≤120s | |||||
| 4 | Type YFB6C | Cold state | 5In | t≥0.1s | Non-tripping | |
| Type YFB6D | 10In | |||||
| 5 | Type YFB6C | Cold state | 10In | t<0.1s | Tripping | |
| Type YFB6D | 14In |
Packing details:
| SPECIFICATIONS | UNIT | PCS/CARTON | CARTON VOLUME(CM) L*W*H |
| 1P 1-63A 3KA/6KA | PCS | 180 | 43*23*25.5 |
| 2P 1-63A 3KA/6KA | PCS | 90 | 43*23*25.5 |
| 3P 1-63A 3KA/6KA | PCS | 60 | 43*23*25.5 |
| 4P 1-63A 3KA/6KA | PCS | 45 | 43*23*25.5 |
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