Product features of BEP 721 Heavy Duty Battery Selector Switch 29_8US0OTG2:
Heavy-duty battery switch fits into the contour lock system allowing it to be a stand-alone unit, or it can be locked together with other switches. It is well suited for larger vessels and can be recess or surface-mounted. Self-cleaning sliding contact design. 6-48 volts. Rated at 350 amps continuous/500 amps intermittent/1,500 amps cranking. 4" x 4".