Battery Master Switch, Rotary Style. Features brass terminals and heavy-duty plastic construction making it ideal for marine applications or automotive requirements where the switch is exposed to the weather. Suitable for applications up to 48VDC. Capacity, 1500A at 12V for 10 seconds, 750A at 24V for 10 seconds, 300A at 12V continuous load maximum, 150A at 24V continuous load maximum.