40.5KV Vacuum interrupter for indoor circuit breaker VTD546GF
Inquire NowDescription
The 40.5KV Vacuum Interrupter (V.I) for indoor circuit breaker VTD546GF is a critical component for high-voltage vacuum circuit breakers (VCBs). Designed for efficiency and reliability, this interrupter effectively interrupts current during overload and short circuit events, ensuring optimal insulation and safety. Its innovative design includes a corrugated ceramic insulation shell and copper tungsten alloy contacts, manufactured using state-of-the-art exhaust technology. This results in a compact size, high insulation levels, low closure values, and an extended service life.
This device is regarded as the leading arc-extinguishing mechanism, making it ideal for various applications, including power transmission and distribution control systems, metallurgy, petroleum, chemical industries, and railway communications. With an annual production capacity of 500,000 units, Wuhan Feite Electric is recognized as a leading manufacturer of vacuum interrupters in China.
Specifications
| Attribute | Value |
|---|---|
| Rated Voltage | 40.5KV |
| Rated Current | 1600/2000A |
| Rated Frequency | 50/60Hz |
| Rated Short-time Power Frequency Withstand Voltage (1 min) | 95KV |
| Rated Lightning Impulse Withstand Voltage | 185KV |
| Rated Short-circuit Breaking Current | 25/31.5KA |
| Rated Single Capacitor Bank Breaking Current | 400A |
| Mechanical Life | 10,000 Operations |
| Shelf Life | 20 Years |
Additional Information
- Contact Stroke: 18±1 mm
- Opening Speed (average): 1.6±0.2m/Sec
- Closing Speed (average): 0.75±0.2m/Sec
- Rated Contact Compressive Force: 3100±200N
- Contact Bouncing Bank Amplitude of Opening Operation: ≤4mm
