Products
Substation apparatus for HV and EHV networks.
Delstar supplies premium air-insulated apparatus for transmission, sub-transmission, and generation substations. Sourced from established manufacturers in Europe and Japan, specified to the insulation coordination, fault level, and seismic requirements of your site.

2 product families
The substation range

Disconnectors and Earth Switches
Outdoor centre break and double break disconnectors with earthing switches for 33 to 500 kV substations, with Severe Duty models offering six year maintenance intervals, and designs for high seismic zones.
- Rated voltage
- 36 to 550 kV
- Rated current
- Up to 4,000 A
- Short time current
- Up to 63 kA

Surge Arresters
Metal oxide distribution, station and line arresters for 11 to 500 kV networks in silicone or porcelain housings, with surge counters and monitoring.
- Network voltage
- 11 to 500 kV
- Discharge current
- 10 and 20 kA
- Housing
- Silicone or porcelain
Talk to our team
Discuss your requirements
Tell us what you are specifying, sourcing, or scoping, and we will come back with recommendations tailored to your application.