Technical Specifications
Product Overview
40.5kV Indoor Gas-Insulated Switchgear
The ZFN13-40.5(Z) GIS is a robust, metal-enclosed and metal-armoured switchgear utilizing SF6 gas for superior insulation. Engineered for high performance, it features a longitudinal three-pole layout and utilizes a vacuum interrupter with a spring mechanism for frequent operational reliability. Integrated with a 3-position switch for busbar disconnection and earthing, this system provides comprehensive mechanical and electric interlocking for enhanced safety.
Key Features
System Highlights
- SF6 gas-insulated medium
- Vacuum interrupter with spring mechanism
- Reliable 3-position switch configuration
- Advanced mechanical and electric interlocks
- Intelligent module integration for smart grid requirements
Electrical Ratings
Rated Performance
40.5 kV
Rated Voltage
1,250 A
Rated Current
31.5 kA
Short-time withstand current
Insulation Performance
| Characteristic | To Earth/Pole | Across Isolating Distance |
|---|---|---|
| 1min Power Freq Withstand (kV) | 95 | 110 |
| Lightning Impulse Withstand (kV) | 185 | 215 |
Operational Specs
SF6 Gas Management
- CB Compartment Pressure: 0.6 MPa
- Other Compartments Pressure: 0.4 MPa
- Annual Leakage Rate: ≤0.5%
- Operating Frequency
- 50/60 Hz
