Battery isolator switch with four operational settings, OFF, Battery 1, Both Batteries and Battery 2. Provides selectable battery bank charging or complete OFF. For marine applications up to 48VDC. Includes stainless steel hardware. Specifications; 1500A at 12V for 10 seconds, 750A at 24V for 10 seconds, 300A at 12V continuous load maximum, 150A at 24V continuous load maximum.