News — Dry Contact Relay Switch

A conventional light switch is wired directly into your home's electrical system and light fixtures, allowing you to control your lighting. A RF wireless remote light switch operates similarly but it uses an RF remote control to turn lights on and off. What is a RF Wireless Remote Light Switch? A wireless remote light switch is a type of switch that controls lighting fixtures without the need for hard wiring to the physical switch. It consists of a transmitter and a receiver that controls the lights on and off by communicating via wireless radio frequency (RF) signals with a receiver...

A dry contact (also known as a volt free contact or potential-free contact) is defined as a contact in which power/voltage is not directly provided from the switch but is instead always being supplied by another source. Dry contacts are known as passive contacts, as no energy is applied to the contacts. Dry contact simply operates like an ordinary switch that opens or closes the circuit. When the contacts are closed the current flows through the contacts and when the contacts are opened no current flows through the contacts. It can be referred to as the secondary sets of contacts...