Blue Sea Systems M-Series On/Off Battery Switch with Locking Key 300 Amps continuous rating for outboards and small gasoline or diesel engines Tin-plated copper studs for maximum conductivity and...

Blue Sea Systems m-Series Mini On-Off Battery Switch with Key Ignition protected - safe for installation aboard gasoline powered boats Case design allows surface, front panel, or rear panel...

Blue Sea Systems m-Series Mini Dual Circuit Battery Switch Switch Positions 2 Battery Combine No Alternator Field Disconnect No Cranking Rating 10 Sec 1500A Cranking Rating 1 min...

Blue Sea Systems m-Series Mini On-Off Battery Switch with Knob Ignition protected - safe for installation aboard gasoline powered boats Case design allows surface, front panel, or rear panel...

Blue Sea Systems m-Series Mini Dual Circuit Plus Battery Switch Simultaneously switches two isolated battery banks or combines battery banks to all loads Make before break contact design allows...

Blue Sea Systems m-Series Mini Selector Battery Switch - 4 Position Part NumberENE-BS-6007200ENE-BS-6007 Switch Positions Yes Yes Battery Combine No No Alternator Field...

Blue Sea Systems m-Series Mini Selector Battery Switch - 3 Position Switches isolated battery banks to all loads or combines battery banks to all loads. Make before break contact design allows...

Blue Sea Systems e-Series Battery Switch - On/Off Switches a single battery to a single load group Ignition protected - safe for installation aboard gasoline powered boats Case design allows...

This key is designed to fit the 2 pole battery isolator switch.  Note - switch not included. Part number SAW-23124A