- Design principle: The grounding protection device is applicable to 110kV, 220kV or 330kV power transformer circuits in order to realize the conversion of earthing method.
- Structure: It consists of the following parts
Disconnecting Switch
Zinc-oxide Surge Arrestor
Rod Gap
Current Transformer
Mounting Brackets
3.Site condition:
Ambient temperature: -50?-70?
Altitude: less than 4500m.
Frequency :50Hz or 60Hz
Installation: Indoor or outdoor
Stardard:GB311.1-1997,DL/T620-1997
Testing report: Awarded by Xi'an High Voltage Apparatus Research Institute
Warranty:12months
Quality certificate:ISO9001
