GN□-12D Series Cable Side Grounding Isolating Switch

GN□-12D Series Cable Side Grounding Isolating Switch
GN□-12D Series Cable Side Grounding Isolating Switch

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Structure and performance

 

The GN□-12D cable-side grounding disconnector has a novel structure and is a new type of disconnector independently developed by the company. The moving and static contacts are installed on two parallel insulators. It has small installation space, convenient busbar connection, obvious fracture, and is suitable for various installation heights. Grounding on the side of separate and protective outgoing cables.

 

 

The main technical parameters
Model Specifications GN□-12D/630 GN□-12D/1250
Rated voltage (kV) 12
Rated current (A) 630 1250
4s short-time withstand current (kA) 20 31.5
Rated peak withstand current (kA) 50 80
Rated insulation level Lightning impulse voltage (kV) Phase-to-phase, relative to ground 42, fracture 48
1min power frequency withstand voltage (kV) Phase, relative to 75, fracture 85

 

 

Shape and installation dimensions

 

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