http://www.futureelectronics.com/en/Search.aspx?dsNav=Ntk:PlainTextSearch%7cpower+relay%7c3%7c,Ny:True,Nea:True,N:558 During this video, we'll explain what is a Power Relay as well as how to select the right one for your application from our line-up of Power relay products. A power relay is a switch which uses an electromagnet coil in order to close or open a circuit. Power relays also contain an armature, a spring and one or several contacts. http://youtu.be/B_-XZqJ81zM
