Blue Sea Waterproof Contura Rocker Switches

The Waterproof Contura Rocker Switch from Blue Sea is designed specifically for Blue Sea water-resistant panels. Resists damage from vibration, shock, thermoshock, moisture, and salt spray. Ignition-protected for installation in gas-powered boats. Internal and external gasket panel seals for water resistance. 1.45" x 0.83" mounting hole. Operative even at extreme temperatures (-40ºC to +85ºC). Each embedded LED light uses 18 milliamps and has a 100,000-hour half-life. Rated for 20A @ 12V DC; 15A @ 24V DC.

SPST - Single Post, Single Throw switch is a simple on-off switch, where two terminals are connected/disconnected from each other.
SPDT - Single Pole, Double Throw switch is a changeover switch.
DPST - Double Pole, Single Throw switch is equivalent to two SPST switches controlled by a single mechanism.
DPDT - Double Pole, Double Throw switch is the equivalent to two SPDT switches controlled by a single mechanism.