Eberry Vs1-12 Indoor Medium Voltage Vacuum Circuit Breaker Breakers Vcb Side-Mounted 12kv 630A 1250A 25ka 31.5ka
China Eberry Vs1-12 Indoor Medium Voltage Vacuum Circuit Breaker Breakers Vcb Side-Mounted 12kv 630A 1250A 25ka 31.5ka, Find details about China Vcb, Vacuum Circuit Breaker from Eberry Vs1-12 Indoor Medium Voltage Vacuum Circuit Breaker Breakers Vcb Side-Mounted 12kv 630A 1250A 25ka 31.5ka
Basic Info.
Model NO.
VS1-12
Poles Number
3
Type
Circuit Breaker
Function
Conventional Circuit Breaker
Certification
ISO9001-2000, CQC
Rated Voltage
12kv
Rated Frequency
50/60Hz
Rated Current
630-1250A
Phase Distance
210mm
Trademark
Eberry
Transport Package
Plywood Box
Origin
Yueqing, Zhejiang
Model NO.
VS1-12
Poles Number
3
Type
Circuit Breaker
Function
Conventional Circuit Breaker
Certification
ISO9001-2000, CQC
Rated Voltage
12kv
Rated Frequency
50/60Hz
Rated Current
630-1250A
Phase Distance
210mm
Trademark
Eberry
Transport Package
Plywood Box
Origin
Yueqing, Zhejiang
Product Desciption
Description:
VBR (VS1)- 12 side-mounted vacuum circuit breaker is an indoor high-voltage switchgear for three-phase power system with rated voltage of 12 kV and frequency of 50 Hz. It is used as protection and control electric appliance due to special vacuum circuit breaker. Superiority, especially suitable for frequent operations requiring rated current or multiple short-circuit currents.
The VBR (VS1)-12 type side-mounted vacuum circuit breaker is fixedly mounted and is mainly used for fixed switchgear. The circuit breaker can be used alone or in ring power supply, box type or various non-standard power supply. system.
| NO | Item | Unit | Technical Parameters | |||
| 1 | Rated voltage | KV | 12 | |||
| 2 | Max. working voltage | KV | 12 | |||
| 3 | Rated current | A | 630 1250 | 630 1250 | 630 1250 1600 | |
| 4 | Rated short-circuit breaking current | KA | 20 | 25 | 31.5 | |
| 5 | Rated short circuit closing current | KA | 50 | 63 | 80 | |
| 6 | Rated peak withstand current | KA | 50 | 63 | 80 | |
| 7 | 4S rated short circuit withstand current | KA | 20 | 25 | 31.5 | |
| 8 | Rated insulation level | Power frequency withstand voltage (before and after rated breaking) | KV | 42(Fracture:48) | ||
| Impact withstand voltage (before and after rated breaking) | 75(Fracture:84) | |||||
| 9 | Rated operation sequence | 0-0.3s-Co-180s-Co | ||||
| 10 | Mechanical life | TIMES | 10000 | |||
| 11 | Rated short circuit current breaking times | TIMES | 50 | |||
| 12 | Operating mechanism rated closing voltage (DC) | V | 110,220 | |||
| 13 | Operating mechanism rated trip current (DC) | V | 110,200 | |||
| 14 | Contact opening distance | MM | 11±1 | |||
| 15 | Overtravel(contact spring compression length) | 3.5±0.5 | ||||
| 16 | Contact closing bounce time | MS | ≤2 | |||
| 17 | Three-phase split and close bounce time | MS | ≤2 | |||
| 18 | Average opening speed | M/S | 1.2±0.2 | |||
| 19 | Average closing speed | M/S | 0.6±0.2 | |||
| 20 | Opening time | At the highest operating voltage | S | ≤0.05 | ||
| At the lowest operating voltage | ≤0.08 | |||||
| 21 | Closing time | S | 0.1 | |||
| 22 | Main loop resistance of each phase | μΩ | 60 | 50 | ||
| 23 | Dynamic and static contacts allow wear cumulative thickness | MM | 3 | |||
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