Eberry Vs1-24 High Voltage Indoor Vacuum Circuit Breaker Vcb 24kv 630A 1250A 25ka 31.5ka P=275
China Eberry Vs1-24 High Voltage Indoor Vacuum Circuit Breaker Vcb 24kv 630A 1250A 25ka 31.5ka P=275, Find details about China Vcb, Vacuum Circuit Breaker from Eberry Vs1-24 High Voltage Indoor Vacuum Circuit Breaker Vcb 24kv 630A 1250A 25ka 31.5ka P=275
Basic Info.
Model NO.
VS1-24
Poles Number
3
Type
Circuit Breaker
Function
Conventional Circuit Breaker
Certification
ISO9001-2000, CQC
Rated Voltage
24kv
Rated Frequency
50/60Hz
Rated Current
630A-1250A
Phase Distance
275mm
Trademark
Eberry
Transport Package
Plywood Box
Origin
Yueqing, Zhejiang
Model NO.
VS1-24
Poles Number
3
Type
Circuit Breaker
Function
Conventional Circuit Breaker
Certification
ISO9001-2000, CQC
Rated Voltage
24kv
Rated Frequency
50/60Hz
Rated Current
630A-1250A
Phase Distance
275mm
Trademark
Eberry
Transport Package
Plywood Box
Origin
Yueqing, Zhejiang
Product Desciption
Description:
VCB-24 series solid-sealed indoor vacuum circuit breaker is an indoor high-voltage switchgear for three-phase power system with rated voltage of 24kV and frequency of 50 Hz. It is used as protection and control appliance due to vacuum circuit breaker. The special advantages are especially suitable for frequent operations requiring rated current or multiple short-circuit currents.
VCB-24 series solid-sealed indoor vacuum circuit breakers are fixedly mounted, mainly used for fixed switchgear. The circuit breaker can be used alone or in ring power supply, box transformer or various non- power supply system.
| NO | Item | Unit | Technical Parameters | ||||
| 1 | Rated voltage | KV | 24 | ||||
| 2 | Rated short-duration power frequency withstand voltage | KV | 65/79(Interphase, ground/fracture) | ||||
| 3 | Rated lightning impulse withstand voltage | KV | 125/145(Interphase, ground/fracture) | ||||
| 4 | Rated frequency | Hz | 50 | ||||
| 5 | Rated current | A | 630 1250 | 630 1250 | 630 1250 | ||
| 6 | Rated short-circuit breaking current | KA | 20/25 | 31.5 | 31.5 | ||
| 7 | Rated short-time withstand current | KA | 20/25 | 31.5 | 31.5 | ||
| 8 | Rated short circuit duration | S | 4 | ||||
| 9 | Rated peak withstand current | KA | 50/63 | 80 | 100 | ||
| 10 | Rated short circuit closing current | KA | 50/63 | 80 | 100 | ||
| 11 | Secondary circuit power frequency withstand voltage (1min) | V | 2000 | ||||
| 12 | Rated single / back to back capacitor group breaking current | A | 630/400(40kA:800/400) | ||||
| 13 | Rated capacitor bank closing current | KA | 12.5 (frequency is not greater than) | ||||
| 14 | Mechanical life | TIMES | 20000 | ||||
| 15 | Rated current breaking times (electrical life) | TIMES | 20000 | ||||
| 16 | Rated short circuit current breaking times | TIMES | 50(40KA≤30) | ||||
| 17 | Dynamic and static contacts allow wear cumulative thickness | MM | 3 | ||||
| 18 | Energy storage time | S | ≤10 | ||||
| 19 | Contact opening distance | MM | 16±1 | ||||
| 20 | Overtravel | 3.5±0.5 | |||||
| 21 | Contact closing bounce time | MS | ≤2(40KA≤3) | ||||
| 22 | Three-phase split/closed period | MS | ≤2 | ||||
| 23 | Average opening speed (contacts are separated by -8mm) | M/S | 1.5±0.2 | ||||
| 24 | Average closing speed (8mm - contact closure) | M/S | 0.8±0.2 | ||||
| 25 | Main conductive loop resistance | μΩ | ≤50(630A)≤45(1250A) ≤40 (1600,2000A)≤35 (2500A or more) | ||||
| 26 | Rated operation sequence | 0-0.3s-Co-180s-Co | |||||
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