Technical Specifications
Product Overview
24KV Embedded Pole Solution
These embedded poles are precision-engineered for 24KV vacuum circuit breakers, providing essential insulation and mechanical support for vacuum interrupters. Constructed from high-quality epoxy resin using advanced vacuum casting technology, these units ensure superior dielectric strength and long-term durability. Designed for demanding medium-voltage power distribution systems, they enhance circuit breaker reliability and operational safety.
Electrical Ratings
Short-Circuit Performance
31.5 KA
Max Breaking Current
80 KA
Max Making Current (Peak)
Withstand Voltage Ratings
- Power-frequency (1min): 79KV
- Lighting impulse (peak): 145KV
- Rated Voltage
- 24 KV
- Rated Current
- 1250A1600A
- Rated Frequency
- 50 Hz
Mechanical Requirements
Contact Specifications
| Parameter | Value |
|---|---|
| Contact Stroke | 13±1 mm |
| Connection Stroke | 4±1 mm |
| Bounce Duration | ≤2 ms |
| Contact Erosion Limit | 3 mm |
Operating Speeds
1.3 m/s
Avg Opening Speed
0.6 m/s
Avg Closing Speed
- Mechanical Life
- 10000 Operations
Durability and Standards
Durability Metrics
- Shelf Life: 20 Years
- Circuit Resistance: ≤20μΩ
- Partial Discharge: ≤5pc
