350A continuous rating for applications requiring high power output, reliability and low heat generation. Luminous label for low light reading. Make-before-break contact design allows switching between battery banks without power interruption. Meets all ABYC requirements for battery switches. Fits all Perko low amperage battery switch hole patterns. 32 Volts DC maximum. 3.85" x 3.85". Alternator Field Disconnect (AFD) switch on 9002e model.