Blue Sea Systems m-Series (Mini) Battery Switch Single Circuit ON/OFF Ignition protected - Safe for installation aboard gasoline powered boats Case design allows surface, front panel, or rear panel mounting Isolating cover with snap-on sections protects rear contacts Inrush Rating: 0.25 sec (10 repeats): 1500 Amps DC Cranking Rating: 9.75 sec (10 repeats): 700 Amps DC Intermittent Rating: 5 min (UL 1107) 500 Amps DC Continuous Rating: (UL 1107) 300 Amps DC Maximum Voltage Rating 48 Volts DC Weight Lb: 0.62