OMRON provides General-purpose Relays , I/O Relays, Power Relays, Latching Relays, and Ratchet Relays. A relay consists of an electromagnet that receives an electric signal and converts it to a mechanical action and a switch that opens and closes the electric circuit . Specification: contact form: 4pDt contact current rating: 5A type : MY4, LY2, MY2 relay The product type is Omron MY4-series Relay, General Purpose. Made in China and manufactured by Omron Electronics. pins: flate 14pin Package includes: 1 x Omron General Purpose Miniature Relay