Single channel bases are supplied for switches 7.5 Kv through 69 Kv, double channel bases for 69H Kv through 345 Kv. Switches are furnished less terminal connectors. Customer should specify tinned terminal pads on copper switches when aluminum connectors are to be used. Insulators are free to rotate without affecting position of the terminal pads or the conductor. Each switch is furnished with complete operating control consisting of necessary pipe, intermediate guides, outboard bearing, and all interphase connections.
Controls are custom designed to customer specifications.
The GCH is furnished with a swing handle operator throughout the voltage range. Gear operators are frequently used with the GCH to control speed of opening and closing the switch. Motor operators available when specified. The GCH is designed for horizontal upright, vertical, or underhung mounting. 230 Kv 3000 Amp. and above the main bearing is a Timken roller bearing.