Progressive Dynamics (PD52V) 50 Amp Automatic Transfer Relay System
Progressive Dynamics RV and Marine Automatic Transfer Relay System. 120 Volt AC, 50 Amps. Generator to shore power automatic transfer relay system features: Heavy duty relays to prevent contact damage during high current transfer operation. Quick change replaceable circuit board. Time delay circuit board ensures generator voltage is at proper level before transfer occurs. Built-in strain reliefs for easy installation. Protective cover easily snaps on or off.