Designed for flybridge and open cockpit applications,(ON)-OFF-AUTO Contura Switch, Watertight mounting gasket, Fuse holders accept commonly available AGC and MDL glass fuses. ON indicating LEDs embedded in switch. Completely wired and ready to install. Fuse Holder Rating: 20 Amperes Max Switch LED Amp Draw: 18 Milliamperes Max Voltage Rating: 24 Volts DC 2. 25 W x 3. 75 H