Audited Supplier
VB12-63
Low Voltage Circuit Breakers
Electric Type
Normal Type Circuit Breaker
Air
Fixed
MCB
1
Circuit Breaker
Conventional Circuit Breaker, Overcurrent Protection
CE
VEKON
Cardboard
In: 16A
China
8536200000
Product Description
VB12-63 series MCB, used as overload and short circuit protection, applies to a circuit of AC 50Hz,rated voltage 230/400V, rated current up to 63A. Usually it functions as un frequently switching. In addition, it can be also used as an isolator to cut off the circuit for maintenance of circuit and equipment.
Application
Industry and commercial buildings, high-rise buildings and residential houses, etc.
Conforms to standard: IEC/EN 60898-1
Main parameters Form 1
Application
Industry and commercial buildings, high-rise buildings and residential houses, etc.
Conforms to standard: IEC/EN 60898-1
Main parameters Form 1
| Types | Values |
| Rated voltage Un | 240V/415V AC(1P),415V AC(2P,3P,4P) |
| Rated current In | 1A,2A,3A,4A,6A,10A,16A,20A,25A,32A,40A,50A,63A |
| Poles | 1P,2P,3P,4P |
| Instant tripping type | B,C,D |
| Rated short circuit breaking capacity(Icn) | 10000A |
| Overcurrent protection properties | See Form 2,Diagram 1, 2 and 3 |
| Mechanical and electrical life | See Form 3 |
| Connection wire | See Form 4 |
| Tightening torque | 2.5N.m |
| Nominal temperatureºC | 30 |
| Operated ambient temperatureºC | -5~+40 |
| Stored ambient temperatureºC | -25~+70 |
| Pollution level | 2 |
| Protection level | IP20 |
| Mounting type | 2 |
| Overcurrent protection properties(Nominal temperature 30 ºC) | Form 2 | |||||
| Item | Type | Test current | Initial status | Tripping or non tripping time limit | Expected result | Remarks |
| a | 1.13In | Cold | t≤1h | Non tripping | ||
| b | 1.45In | Test following the previous procedure; | t<1h | Trip | Current increases to stipulated value within 5s | |
| Process after test | ||||||
| BCD | ||||||
| 1s<t<60s | ||||||
| c | 2.55In | Cold | (for In≤32A) | Trip | ||
| 1s<t<120s | ||||||
| (for In>32A) | ||||||
| B | 3In | |||||
| d | C | 5In | Cold | t≤0.1s | Non trip | Connection of current by opening auxiliary switch |
| D | 10In | |||||
| B | 5In | |||||
| e | C | 10In | Cold | t≤0.1s | Trip | Connection of current by opening auxiliary switch |
| D | 20In | |||||
