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FGW15 Isolating Switch
Product Overview
Product Overview
The FGW15 Isolating Switch provides a reliable means of circuit isolation and sectionalizing for outdoor overhead distribution lines operating up to 38kV. Equipped with a manual operating mechanism, it allows safe disconnection and visible isolation of line sections for maintenance or fault management. The switch is engineered to withstand harsh environmental conditions while maintaining consistent electrical and mechanical performance.
Product Advantages
Product Advantages
● Manual operation provides simple and dependable circuit isolation without auxiliary power
● Silver-plated copper contacts ensure low resistance and excellent long-term conductivity
● Hot-dip galvanized steel base delivers superior corrosion protection in outdoor installations
● Polymer insulator option offers lightweight handling and strong pollution performance
● Customizable operating rod length adapts to varied pole and mounting configurations
Applications
Applications
◆ Outdoor overhead distribution lines up to 38kV
◆ Sectionalizing and isolation of feeder circuits
◆ Transformer and substation switching points
◆ Utility distribution networks in heavy pollution areas
◆ Industrial power supply systems requiring visible disconnect functionality
Technical parameter
Technical parameter
| Electrical characteristics | Specification | Unit | |
| Rated voltage of Disconnector | 12 | 36 | kV |
| Rated current | 200 / 400 / 630 | A | |
| Rated frequency | 50 | Hz | |
| Lighting Impulse withstand voltage | 95 | 170 | kV |
| Power frequency withstand voltage in 1 min (Dry) | 42 | 70 | kV |
| Power frequency withstand voltage in 10 s (Wet) | 36 | 60 | kV |
| Rated short circuit withstand current | 20 | kA | |
| Rated short circuit withstand time | 3 | s | |
| Rated peak withstand current | 50 | kA | |
| Creepage | 31 | mm/kV | |
| Spare parts | |
| Operating Mechanism | with |
| Arcing distinguishing chamber | with/without |
| Operating rod length | Customerized |
| Material | |
| Terminal pads | Copper plated by silver |
| Blade | Copper plated by silver |
| Insulator | Porcelain/Polymer |
| Channel Base | Steel hot galvanized |
| Service conditions | ||
| Environment maximum temperature | 40 | ℃ |
| Pollution level | Heavy | |
| Altitude | ≤1000 | Meter |
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