SWITCH/DISCONNECTING SWITCH Russian patent published in 2005 - IPC

FIELD: electrical engineering; low-voltage circuit-opening devices.

SUBSTANCE: proposed device that can be used, among other purposes, as load switch has set of fixed blade contacts with respective arc chutes, set of movable contacts installed in respective seats of carrying slider, and control element mechanically coupled with carrying slider, as well as instantaneous-action mechanism designed for slider displacing; each of mentioned set of movable contacts is made in the form of unit of four copper rollers loaded by leaf springs for their independent rotation and for keeping preset contact pressure in the course of switching.

EFFECT: enlarged functional capabilities, enhanced reliability, switching capacity, and mechanical endurance.

6 cl, 6 dwg