Installation manual for the GN30-12(D) indoor high‑voltage rotating isolation switch, covering specifications, installation, adjustment, and maintenance.
The GN30-12(D) is an indoor high‑voltage rotating isolation switch designed for 12 kV three‑phase AC systems with rated currents from 630 A to 3150 A. The document provides product overview, environmental limits, technical parameters, and the operating principle of the switch’s JSXGN‑12 mechanism.
Installation instructions include pre‑installation checks, mounting dimensions, wiring terminal sizes, and adjustment procedures. Maintenance guidance covers safe de‑energized inspection, cleaning, contact verification, and periodic testing after adjustments. This manual is written in Chinese.
The switch must be completely de‑energized and isolated from the power source before any inspection or repair.