Progressive Dynamics (PD5110010V) 30 Amp Automatic Transfer Relay System<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Progressive Dynamics RV and Marine Automatic Transfer Relay System</li><li>120 Volt AC， 30 Amp， with pigtail AC wire connections</li><li>Generator to shore power automatic transfer relay system features: Heavy duty relays to prevent contact damage during high current transfer operation</li><li>Quick change replaceable circuit board</li><li>Time delay circuit board ensures generator voltage is at proper level before transfer occurs. Built-in strain reliefs for easy installation</li></ul></div><img src="http://ecx.images-amazon.com/images/I/517UzKap5uL.jpg" noproxy>