Outdoor MV Circuit Breaker 40.5KV 1250A 31.5ka VCB Circuit Breaker For Medium Voltage Power Grids
Price:
$3000-$5000
MOQ:
1 pc
Delivery Time:
15 days
Brand:
MacweyTEK
Product Description
40.5KV 1250A 31.5ka Outdoor VCB ZW7-40.5 Vacuum Circuit Breaker for Medium-Voltage Power Grids
30KV 33KV 36KV 40.5KV Outdoor VCB 1250A Vacuum Circuit Breakers 12KV
Product Overview
The ZW7-40.5F(M) outdoor high-voltage intelligent (permanent magnet) vacuum circuit breaker features a uniquely designed split pole and high-reliability spring operating mechanism or permanent magnet operating mechanism. This device is primarily used in medium-voltage overhead line power grids for branching and closing load current, overload current, and short-circuit current.
Environmental Conditions
- Ambient temperature: not higher than +40℃, not lower than -15℃
- Relative humidity of air: daily average value ≤ 95%, monthly average value ≤ 90%
- Altitude does not exceed 1000 meters
- Seismic intensity does not exceed 8
- No fire, explosion, severe pollution, chemical corrosion, or violent vibration
Note: Customers with special requirements can specify them at the time of order, and our company will make every effort to accommodate them.
Technical Specifications
| Parameter | Unit | Value |
|---|---|---|
| Rated voltage | kV | 40.5 |
| Rated current | A | 1250/1600 |
| Rated frequency | Hz | 50 or 60 |
| Power frequency withstand voltage (1min) | kV | 80/95 (wet/dry) |
| Lightning impulse withstand current (peak) | kA | 185 |
| Rated short-circuit breaking current | kA | 25/31.5 |
| Rated short-circuit making current (peak value) | kA | 63/80 |
| 4S short-time withstand current | kA | 25/31.5 |
| Breaking times of rated short-circuit current | Times | 30 |
| Mechanical life | Times | 10000 |
| Weight | KG | 800 |
Dimensions

Related Videos
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Ningbo Macwey Industrial Technology Co.,Ltd
Location
No.218, Weier Road, Chongshou Industrial Park, Cixi City (Ningbo), China
Contact Person
Alec Sung