Grounding Devices Series ZR for 220 kV Voltage

Grounding Devices Series ZR for 220 kV Voltage

Brand: ZETO

$9,000 - $30,000 USD

MOQ: 1 pieces

Key Features

Nominal voltage: 220 billion m³

Rated current: 315

Supplier Information

ZETO CJSC

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Description

Earthing plates ZR-220 kV are designed for earthing of power lines at rated voltage 220 kV.
Earthing switches are produced in single-pole and three-pole version, the earthing switch is operated by motor drive PD-14. Earthing switches can be supplied with supporting metal structures.
ZR is a chopping type earthing switch.
Main technical characteristics:
- rated voltage - 220 kV;
- rated current - 315 A;
- nominal frequency - 50 Hz;
- rated short-term withstand current (thermal resistance current) - 31,5(40) kA;
- the highest peak of rated short-term withstand current (electrodynamic resistance current) - 80(100) kA;
- time of flow of nominal short-term withstand current (short circuit time) - 1s;
- permissible mechanical load on the terminals taking into account the wind influence - 800(1200) N;
- installation altitude above sea level - not more than 1000 m;
- upper value of ambient air temperature - plus 40 ° C;
- lower...

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