Gw4 Series Isolating 4000A 72.5kv Disconnectors

Product Description

Main Features

• High ability of anti-corrosion. All exposed steel parts are hot-dip galvanized; shaft pins are made of stainless steel; the surface of aluminium conductor is passivated; standard parts are hot-dip galvanized or made of stainless steel.
• Reliable and stable drive. Adapters on driving part consist of clamping forks or joint ball shaft; shaft base is in fully-enclosed structure; Three-phase ganged operation is rezlized through touching connection with universial friction.
• Good conductivity. Touch between outgoing pad contact piece and conductive rod is constructed by flexible connection; Outer-pressed stainless steel spring is used on contact piece; contacting part is silver-plated by finishing process.
• Good property of operating mechanism.

Normal Service Condition

• Altitude: not more than ***0m, and not more than ***0m in special condition.
• Ambient air temperature: **0ºC~*5ºC
• Wind is not more than *5m/s (corresponding to wind pressure of **0Pa)
• Earthquake accelerate: horizontal 3.*2m/s2
• Pollution class: III class(heavy pollution), IV class (in special circumstances)
• Iced coating: *0mm
• Max radiance from sun: ***0W/m2(fine weather, at noon)

Note: When product is used under the condition out of above range, user and manufacturer shall consult to confirm.