Blue Sea 7622 ML-Series Heavy Duty Automatic Charging Relay [7622]7622 Manual Control: Yes Coil Voltage: 12v Features: Manual control switch provides an added level of safety allowing control with or without power, and offering "Locked Off" capability for servicing Includes ML Series Remote Control Contura Switch PN 2146 500 Ampere continuous rating Magnetic Latch (ML) ACR draws very low current (<10 mA to monitor terminal voltage) in the "ON" or "OFF" states, and draws moderate current for very short time when