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Product Details:
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| Voltage: | Max 40.5KV | Current: | Max 2000A |
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| Frequency: | 50/60Hz | Standards: | IEC ISO GB |
| OEM/ODM: | Inquiry By Email | Manufactory: | KNKONG-ELECTRIC |
| High Light: | Three Phase Medium Voltage Switchgear,Medium Voltage Switchgear 2000A,50Hz Medium Voltage Switchgear |
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Product Introduction
VS1-40.5 Indoor Vacuum Circuit Breaker
Rating voltage: 40.5kV
Rating current: 630 1250 1600 2000 2500A
Rating short circuit breaking current: 20 25 31.5KA
Mechanical life: no less than 20,000 times
Working environment:
*Air temperature: -25℃~+40℃
* Humidity: Monthly humidity 95%; Daily humidity 90%.
* Altitude no more than 2500m
* Ambient air not apparently polluted by corrosive and flammable gas, vapor, etc.
* No frequent violent shake
Technical data
| Items | Unit | Data | |
| Voltage | KV | 40.5 | |
| Frequency | Hz | 50 | |
| Current | A | 1250,1600,2000 | |
| Short-circuit Breaking Current | KA | 25,31.5 | |
| Making Current (Peak) | KA | 63,80 | |
| 4s Thermal Stability Current | KA | 25,31.5 | |
| Dynamic Current (Peak) | KA | 63,80 | |
| Insulation Level | 1min Power Frequency Withstand Voltage (r.m.s) | KV | 95 |
| Lightning Impulse Withstand Voltage (Peak) | KV | 185 | |
| 1min Power Frequency Voltage Across the open gap (r.m.s) | KV | 118 | |
| Lightning Impulse Withstand Voltage Across the open gap (Peak) | KV | 215 | |
| Enclosure Protection Class |
Enclosure IP4X, Between Compartments IP2X |
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| Enclosure Dimension (Width*Depth*Height) | mm | 1400*2800*2600 1600*2800*2600 |
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| Type of Circuit Breaker | VCB: ZN85-40.5 SF6 Circuit Breaker |
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*Note: order switchgear should provide SLD(Single-line diagram) by customer
Knkong-electric VCB, VS1-40.5 Technical data
| Items | Unit | Date |
| voltage |
KV |
40.5 |
| short-time power frequency withstand voltage (1min) | 95 | |
| lightning impulse withstand voltage (peak) | 185 | |
| frequency | Hz | 50/60 |
| current | A | 1250 1600 2000 2500 4000 |
| short-circuit drop-out current | KA | 25 31.5 |
| short-time withstand current | 25 31.5 | |
| short-time continual time | s | 4 |
| peak withstand current | KA | 63 80 |
| short-circuit closing current | 63 80 | |
| single/ back-to-back capacitor bank drop-out current | A | 630/400 |
| Opening time (rated volt.) | ms | 35~60 |
| Closing time (rated volt.) | 50~100 | |
| Mechanical life | times | 20000 |
| break times for rated short drop-out current | s | 20 |
| operation voltage | V | AC110/220 DC110/220 |
| current of power storing motor | W | 230 |
| Average opening speed | m/s | 1.6~2.0 |
| Average closing speed | 0.5~0.8 | |
| operation procedure |
opening-0.3s-closing opening-180s-closing opening |
Contact Person: Antonio
Tel: +8613607680651
