MV Single Insulator Disconnect Switch
The best Single Insulator Disconnect Switch, suitable for all MV applications in NZ
Aluma-Form, Inc. specialises in innovative, custom-engineered overhead utility and communications solutions. Aluma-Form’s reputation for excellence is based on over a 60-year history of manufacturing high-quality, cost-effective products with a superior working life.
The NEMA mounted Single Insulator Hookstick Disconnect Switch range is perfect for the harsh, high pollution New Zealand environment and the marine grade option offers even greater protection.
Features
- 2 parts 11/22 and 33kV applications
- Both rated up to 900A
- 125kV BIL for the up to 27kV model & 150kV BIL for the up to 35kV model
- Insulator material: Silicone polymer
- Includes brass earth spigot – for temporary earth stick placement
- Light weight
- Easy to install and operate
- Testing is in accordance with IEEE C37.34
- Blade is silver-plated copper
- Large formed galvanised steel load buster hook
- Optimally positioned for easy loadbuster tool attachment and removal after opening
- Stronger than castings
- Contact & hinge are silver-plated brass
- Use of 316 stainless steel and silicon bronze fitting where possible provide high corrosion resistance – hence the marine grade classification
| HDS Disconnect Switch | |
|---|---|
| Amperage Rating | 900A |
| Switch Type | SI - Single Insulator |
| Insulation Rating | 27 - 11-22kV 35 - up to 38kV |
| Insulator Material | S - Silicone |
| Insulator BIL Rating | 125 - 125kV BIL (27 model only) 150 - 150kV BIL (35 model only) |
| Bracket Style | N - NEMA |
| Bracket | B - Bracket |
| Corrosion Level | M - Marine Grade (316SS & Si Bronze Hdwe, Tin Plated Al Mounts, 316SS Insulator Terminals) |