500 Amp magnetic latching (bi-stable) relay automatically combines batteries during charging and isolates batteries when discharging and when starting engine. Start Isolation (SI) can be configured for temporary isolation of House loads from Engine circuit during engine cranking. Engine Isolation (EI) can be configured for isolation of two engines while both are running to maximize alternator output. Manual override knob provides an added level of safety. Volts 12V DC

• Draws very low current in the ON state


• Senses charging on two battery banks


• Label recesses for circuit identification


• Silver alloy contacts provide high reliability


• Includes Remote Control Contura Switch (2146)