The PUSH BUTTON SWITCH MP39350 has an off-state up until a user hits the button to activate the actuator. Unless a user pushes the actuator back to its initial position, it will stay on. The PUSH BUTTON SWITCH MP39350 is made of brass, which has excellent corrosion resistance, conductivity, and abrasion resistance. A Single Pole Double Throw (SPDT) switches have only one input, but it can connect to and switch between two outputs. The PUSH BUTTON SWITCH MP39350 will fit panels up to 1" thick and with a 3/8" mounting bushing. It is a switch that can outlast the harsh marine environment with its chrome finish plastic knob, and brass structure. Key Features The structure is made of sturdy brass, with two screw terminals Size: 3/8" mounting bushing Chrome finish plastic knob which is durable, hard, and resists corrosion Replaces 3957, 49-39570, MP39572, 808282368098, 11-MP39570, 18-1894, 2312139570 Switch Positions: Off-On(1)-On(1&2) SPDT Rating: 15 Amp @ 12 VDC Specifications BRAND: SEASTAR SOLUTIONS SKU: MP39570 UPC: 808282368098 Weight:0.21 LBS Unit Of Measure: EA Lift Type: MOTOR Current Rating: 15 Amps Switch Type: SPDT Terminal: SPD Switch Positions: Off-On(1)-On(1&2) SPDT, First pull energizes #1, Second pull energizes both circuits, 3 screw terminals, Solid brass construction w/ chrome finish plastic knob