Image is Representational - See Manufacturer Specs | MICRO SWITCH� Toggle Switches: TL Series, 4 Pole Double Throw (4PDT) 3 Position (Mom. On - Off - Mom. On), Screw Terminals, Locking Lever With Removable Triangular Button Cap (Locked In Center Position) The 4TL144-7E Toggle Switch from Honeywell is a 4PDT switch which features environment-proof sealing and temperature resistant characteristics. This Honeywell switch enables both maintained and momentary toggle action. The switching chambers are completely sealed and its step-design case offers an extra space between the terminals to help prevent shorting. Toggle Switches are manually actuated by means of a projecting lever, such as mechanical lever, handle or a rocking mechanism. These electrical switches are available in different styles and sizes. The TL series toggle switches are temperature resistant. They have high strength and pull-to-unlock toggle levers. The Honeywell 4TL144-7E toggle switch is generally used in various applications such as industrial machinery and equipment, military and commercial aviation, construction equipment, test instruments, agricultural machinery, and medical instrumentation.