The HGW9-35 outdoor isolator switch is a single-pole, 35kV isolator designed for medium-voltage overhead lines, used for visible disconnection during inspection, maintenance, or system isolation. It provides reliable mechanical performance and high insulation clearance, especially in rural or suburban distribution systems.
Technical Specifications
| Parameter | Value |
|---|---|
| Rated Voltage | 35 kV |
| Rated Current | 630 A / 1250 A |
| Power Frequency Withstand | 95 kV (1 min) |
| Lightning Impulse Withstand | 185 kV |
| Mechanical Life | ≥ 2000 operations |
| Insulation Material | Porcelain insulators |
| Structure | Single-pole, vertical |
| Operating Mode | Manual (lever or rod) |
Applications
Sectionalizing overhead rural power lines
Disconnecting transformers or capacitor banks
Outdoor substation bay disconnection
Temporary line isolation for maintenance
Renewable energy collection lines (e.g., wind or solar farms)
