HIR series impulse relay coils are triggered by impulses and the contacts are closed.The product has two stable mechanical positions,and the contacts will open temporarily with the next impulse.Each received impulse will reverse the position of the contact and can be controlled by an unlimited number of bottons.And has the characteristics of zero power consumption.

Impulse relay can be used to control the lighting circuit through the button.The circuit consists of incandescent lamps,halogen lamps,etc(resistive load);fluorescent lamps,discharge lamps,etc.(inductive load).