ES earthing switches, free-standing and built-in, 17.5–800 kV
ES earthing switches for 17.5–800 kV with a short-time withstand current up to 80 kA (1 s). Supplied as stand-alone units, built into disconnectors, semi-pantograph, and special versions for neutral earthing.
- Rated voltage
- 17.5–800 kV
- Short-time withstand current
- up to 80 kA (1 s)
- Versions
- free-standing, built into a disconnector (1–3 blades per pole), semi-pantograph, for neutral earthing
Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.
Description
Earthing switches come in single-arm and double-arm types. In the built-in version, 1 to 3 blades are fitted per disconnector pole. Neutral earthing switches have an insulated frame and shaft. A free-standing earthing switch is installed as a stand-alone unit, while the semi-pantograph version works with the upper busbar.
Technical specifications
| Rated voltage | 17.5–800 kV |
|---|---|
| Short-time withstand current | up to 80 kA (1 s) |
| Versions | free-standing, built into a disconnector (1–3 blades per pole), semi-pantograph, for neutral earthing |
Request a price and lead time
ES earthing switches, free-standing and built-in, 17.5–800 kV. We reply within one business day.
Or email sales@usk.ua or call 044 339-50-20.
Customs codes
| UKTZED (Ukraine) | 8535 30 10 00 8535 30 90 00 |
|---|---|
| HS, 6 digits | 8535 30 |
| CN (EU) | 8535 30 10 8535 30 90 |
| HTSUS (USA) | 8535 30 00 80 |
| China customs tariff | 8535 30 90 90 8535 30 10 90 8535 30 20 90 8535 30 90 90 |
Codes are for reference: the final code is determined at declaration for the specific model.
Questions and answers
How many earthing blades can be built into a disconnector?
From 1 to 3 blades per pole.
What short-time withstand current do the ES earthing switches have?
Up to 80 kA for 1 s in the 17.5–800 kV range.
Are there earthing switches for the neutral?
Yes, special neutral earthing switches are made with an insulated frame and shaft.
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