Littelfuse, Inc. Datasheets for Pushbutton Switches

Pushbutton switches are mechanical switches defined by the method used to activate the switch. The activation method is typically in the form of a plunger that is pushed down to open or close the switch.
Pushbutton Switches: Learn more

Product Name Notes
10A at 12V DC. 2 screw terminals.Mounting stem: 5/8"-32 thread, 1.06" (26.9mm) long.Gasket seal in the case.
10A at 12V DC. For 6-36V DC applications. Two brass screw terminals. Brass mounting stem 5/8" -32, 1 3/8" (34.9mm) long. Fits panels up to 1" (25.4mm) thick.
10A at 12V DC. Two blade terminals accept 2-pole Delphi (Packard) connector 2977647 or equivalent.Mounting stem: 5/8"-32 thread, .625" (15.9mm) long.Gasket seal in the case.Steel plunger protrudes through the cap.Black...
10A at 12V DC.For 6-36V DC applications. Two brass screw terminals.Brass mounting stem 3/8"-32 thread, 1" (25.4mm) long.Fits panels up to 3/4" (19.1mm) thick.
10A at 12V DC.For 6-36V DC applications. Two brass screw terminals.Brass mounting stem 5/8" -32, 1" (25.4mm) long.Fits panels up to 3/4" (19.1mm) thick.Gasket-sealed case.With snap-on black rubber cap. 407-03.
10A at 12V, 6-35V DC.Brass mounting hardware included.SPST On-Off, Normally Off.With chrome-plated brass knob, 10-32 thread. Two brass screw terminals.
10A per circuit at 6-36V DC.Brass housing.Brass mounting stem 3/8" -32 thread, 1 1/4" (31.8mm) long. Fits panels up to 3/4" (19.1mm) thick.Off - On A&B - On B&H.Three brass...
20A at 12V DC, 6-36V DC.Silver-laminated contacts.Brass mounting stem with O-ring seal.Gasket-sealed terminal insulator.Brass mounting stem 1/2"-20 thread, 5/8" long (15.9mm).Black plastic knob with 10-32 threaded metal insert.Two screw terminals.Plated...
35A at 12V, 20A at 24V DC.Two screw terminals with lockwashers.Mounting stem 7.8"-24 thread, keyed to prevent switch from turning, fits panels 0.04" - 0.10" thick (1.0 - 2.5mm).Silver contacts.
35A at 12V, 20A at 24V DC.Two screw terminals with lockwashers.Mounting stem 7.8"-24 thread, keyed to prevent switch from turning, fits panels 0.04" - 0.10" thick (1.0 - 2.5mm).Silver contacts.Button...
35A at 12V, 20A at 24V, 10A at 36V DC. Normally Off, push to On.Two brass screw terminals.Mounting stem; brass 5/8" -32 thread, 1 3/8: (34.9mm) long, fits panels up...
35A at 12V, 20A at 24V, 10A at 36V DC. Two brass screw terminals. Mounting stem; brass 5/8" -32 thread, 1 3/8: (34.9mm) long, fits panels up to 1" (25.4mm)...
35A at 12V, 20A at 24V, 10A at 36V DC. Two brass screw terminals.Mounting stem; brass 5/8" -32 thread, 1 3/8: (34.9mm) long, fits panels up to 1" (25.4mm) thick.Silver...
5A at 12V DC. On - Mom - Off. Self-grounding in metal panels. Contacts Open with plunger depressed, spring return to Ground. Single circuit. 7/16" -20 thread mounting stem, 7/16"...
5A at 12V DC. Two screw terminals. Black plastic button, 13/16" diameter (20.6mm).
Brass housing, brass mounting stem 3/8" -32 thread, 1 1/4" (31.8mm) long. Fits panels up to 3/4" (19.1mm) thick.Two brass screw terminals.Chrome-pla ted brass knob.Gasket-sealed case.10A at 12V DC, 6-36V...
Designed for use in 8 light warning systems in school buses. 10A at 12V DC.With stationary Off and momentary Off positions. Pull-out feature permits circuits to be shut off manually...
Designed for use in 8 light warning systems in school buses.10A at 12V DC. Plunger travel alternates the circuits.Normally On - Momentary On.7/16" -28 thread mounting stem, 3/4" (19.0mm) long,...
DPST Normally Off.popular for use in school bus stepwell and door control. Off with plunger depressed, spring return to On. For energizing two circuits simultaneously. 10A at 12V DC. 7/16"...
Extra heavy duty, 20A 6-36V. Silver-laminated contacts. Brass mounting stem 1/2"-20 thread, 5/8" long (15.9mm).Two screw terminals. plated steel case. Chrome-plated brass integral knob.
Extra heavy duty, 20A 6-36V.Normally Off.Silver-laminated contacts.Brass mounting stem 1/2"-20 thread, 5/8" (15.9mm) long.Black plastic bar-round knob.Two screw terminals.Plated steel case.
For applications to 36V DC.Off - On, Normally Off. On with button depressed, spring return to Off.Silver contacts.Chrome plated button and facenut. 35A at 12V, 20A at 24V DC. Same...
For applications to 36V DC.Off - On, Normally Off. On with button depressed, spring return to Off.Silver contacts.Chrome plated button and facenut.O-ring seal in the mounting stem. 35A at 12V,...
Four knob pull positions: In – Mid1 – Mid2 – Out.Can be used for Off-Park & Tail-Low Beam & Tail-High Beam & Tail, etc. Five screw terminals. Plated steel case.
Heavy duty, 10A at 12V DC.Steel mounting stem 1/2"-20 thread. 5/8" (15.9mm) long.Chrome-plated knob.Two screw terminals. plated steel case.Can be used up to 36V at reduced current.
In = Headlamps Off; Mid = Parking Lights and Tail Lights On; Out = Headlights and Tail Lights On Four screw terminals, plated steel case, silver contacts, mounting stem with...
Independent Circuits: Switches energize two independent circuits simultaneously. Common Circuits: SPDT, Off-On circuit 1 - On circuit 2. Switches energize two circuits alternately from a common feed.
Littelfuse Heavy Duty Normally Open Push Button Switches are push to operate and will spring return to 'Off' position. They have a cylindrical diecast body with 5/8"-32 mounting stem. These...
Littelfuse Light Duty Momentary Push Button Switches are weather and dust resistant. These push button switches have a gasket-sealed case and an O-Ring in stem for resistance to harsh environments.
Littelfuse Push Pull Switches are designed for universal applications within harsh environments. Their mounting, body, and actuator features are designed for ease-of-use and extended product lifecycle. The Engine Start-Stop Push...
Littelfuse Push Pull Switches are designed for universal applications within harsh environments. Their mounting, body, and actuator features are designed for ease-of-use and extended product lifecycle. The Headlamp Push Pull...
Littelfuse Push Pull Switches are designed for universal applications within harsh environments. Their mounting, body, and actuator features are designed for ease-of-use and extended product lifecycle. The One Circuit Push...
Littelfuse Push Pull Switches are designed for universal applications within harsh environments. Their mounting, body, and actuator features are designed for ease-of-use and extended product lifecycle. With heavy duty brass...
Littelfuse Push Pull Switches are designed for universal applications within harsh environments. Their mounting. body. and actuator features are designed for ease-of-use and extended product lifecycle. With heavy duty brass...
Littelfuse Push Pull Switches are designed for universal applications within harsh environments. Their mounting. body. and actuator features are designed for ease-of-use and extended product lifecycle.The Door Push Button Switches...
Marine construction.Brass housing.Brass mounting stem 3/8" -32 thread, 1 1/4" (31.8mm) long. Fits panels up to 3/4" (19.1mm) thick.Three screw terminals.Chrome-pla ted brass knob.With brass facenut, washer and hexnut. Can...
Marine grade momentary switches are suitable for the harsh environments of marine applications. Available Attributes(See Specifications tab for exact part number details) Extra Heavy Duty Voltage: 12-36 VdcExtra Heavy Duty...
Moisture-resistant normally on, momentary, spring-to-return switch Traditionally used in stoplight applications, this switch is suitable for minimum of 300,000 cycles and can operate -40*F to 185*F. Silver contacts rated for...
Normally off black, white or red button compact switch. 5A at 12 - 24 Vdc Two Blade Terminals .250" wide (6.4mm) Nickel-Plated brass hexnut and facenut Nylon push-button .410" diameter...
Normally Off. Pull to OnFor use with a cable or lever.Spring return to Off.No knob - shaft has 3/32" diameter hole (2.4mm) for the attachment of a cable or lever.Two...
Normally Off. push to On.Heavy duty, 10A at 12V DC, 6-36V.Silver contacts.Two blade terminals.Chrome-pla ted integral knob - easy to mount from behind the panel.Steel mounting stem 1/2"-20 thread, 5/8"...
Normally open pushbutton momentary switch. Push to momentary On. Cylindrical diecast housing. Large round chrome-plated pushbutton, 15/16” diameter (23.8mm). Two screw terminals with lockwashers. Mounting stem 5/8”-32 thread, 21/32” long...
Off with plunger depressed, spring return to On. 1/2" -20 thread mounting stem, 1/4" long (6.4mm), two screw terminals, 13/32" plunger (7.9mm).5A at 12V DC.
Off with plunger depressed, spring return to On. For energizing two circuits simultaneously. Popular for use in school bus stepwell and door control. 10A at 12V DC. 7/16" -20 thread...
Off with plunger depressed, spring return to On. For energizing two circuits simultaneously. Popular for use in school bus stepwell and door control. 10A at 12V DC. 7/8" (22.2mm) long...
Off with plunger depressed, spring return to On. SPST Normally On.Self-grounding With faceplate. One screw terminal. Two 9/64" diameter (3.6mm) mounting holes, 1 3/8" (34.9mm) on centers. 45/64" diameter (17.9mm)...
Off with plunger depressed, spring return to On. SPST Without faceplate. 1/2" plunger. 7/16" -20 thread mounting stem, 7/16" long (11.1mm), two flats on stem for mounting in double-D hole.
Off with plunger depressed, spring return to On. With faceplate. Two blade terminals. Two 9/64" diameter (3.6mm) mounting holes, 1 3/8" (34.9mm) on centers. 45/64" diameter (17.9mm) plated steel case.
Off with plunger depressed, spring return to On. With faceplate. Two screw terminals. Two 9/64" diameter (3.6mm) mounting holes, 1 3/8" (34.9mm) on centers. 45/64" diameter (17.9mm) plated steel case.
Off with plunger depressed, spring return to On. Without faceplate. 1/2" plunger. 7/16" -20 thread mounting stem, 7/16" long (11.1mm), two flats on stem for mounting in double-D hole. Two...
On - Mom - Off. Self-grounding in metal panels. Contacts Open with plunger depressed, spring return to Ground. Single circuit. 3/8" -24 self tapping thread, mounting stem 7/32" (5.6mm) long.
On - Mom - Off. Self-grounding in metal panels. Contacts Open with plunger depressed, spring return to Ground. Single circuit. 3/8" -24 self-tapping thread, mounting stem 5/16" (8.0mm) long. One...
On - Mom - Off. Self-grounding in metal panels. Contacts Open with plunger depressed, spring return to Ground. Single circuit. 5/16" -18 self tapping thread, mounting stem 1/2" (12.7mm) long.
On - Mom - Off. Self-grounding in metal panels. Contacts Open with plunger depressed, spring return to Ground. Single circuit. 7/16" -20 thread mounting stem, 7/16" (11.1mm) long, two flats...
On - Mom - Off. Self-grounding in metal panels. Contacts Open with plunger depressed, spring return to Ground. Two circuits grounded simultaneously. 5A at 12V DC. 3/8" -24 thread, mounting...
On with plunger depressed, spring return to Off. 20A at 12V DC, 10A at 24V DC. Silver contacts. Rubber cap/seal snaps into grooves in the plunger and mounting stem to...
On-Off. Two circuits are simultaneously energized. Normally Off is On with plunger depressed, spring return to Off. 35A at 12V, 20A at 24V, 10A at 36V DC. Silver contacts, three...
Push-Pull Magneto Switch In-Off (magneto terminal grounded). Out-Run (magneto terminal open). Integral nickel-plated knob (passes through hole drilled in the panel). One screw terminal. Plated steel housing. Aluminum mounting stem...
Push-pull Rotary Switch4.5 0hm, With Internal 15A Breaker. Headlamp/Parking Lights/Tail Lights function the same as in the 3-position switches, but with the addtion of a rotary dimmer function for panel/dome...
Push-pull switches specially designed for applications such as: Heaters Heater-Defrost Headlamps Two-Speed Axles Terminal Block Limit Magneto (In-Run and Out-Run) View the specifications table below to find the correct push-pull...
PVC-coatedbody sealed against moisture and dirt, with black rubber snap-on cap (407-03) Fits panels up to 1/2" Corrosion-resistant brass case For applications up to 36V DC On with button depressed,...
Ribs on the inside of the rubber cap.Engages with the switch facenut.
Ribs on the inside of the rubber capEngages with the switch facenut.
Rubber cap is permanently fastened to the integral mounting nut by a rolled brass bezel. The deep threaded 5/8"-32 aluminum mounting nut assures a positive seal. Durable, resilient rubber, embossed...
Rubber cap is permanently fastened to the integral mounting nut by a rolled brass bezel.The deep threaded 5/8"-32 aluminum mounting nut assures a positive seal.Durable, resilient rubber, embossed ‘PUSH’.Fits Cole...
Screw thread 5/8"-32For use on fuel delivery trucks.Cap is molded from resilient Hydrin which provides excellent resistance to fuel oils. Brown color.
Self-grounding in metal panels. Contacts normally open. Contacts close (terminal to ground) with plunger depressed, spring return to open. 5A at 24V DC. One blade terminal. Gasket-sealed case. 3/8" -24...
SPDT On-On-Off Off-On (B, R & A) - On (B, R & H). Brass housing Four brass screw terminals. Chrome-plated brass knob, 10-32 thread. Brass mounting stem 3/8"-32 thread, 1...
SPDT, Off-On circuit 1 - On circuit 2.Switches energize two circuits alternately from a common feed.10A at 12V DC.Three screw terminals.Steel mounting stem 1/2"-20 thread, 5/8" (15.9mm) long, and integral...
SPST Normally On Switches energize two independent circuits simultaneously. 18A at 12V DC. Three screw terminals Ivory plastic knob, imprinted ‘Lights’, with 10-32 thread and set screw.
SPST One circuit On-Off Normally OnPull to Off, Push to On. Brass housing, brass mounting stem 3/8" -32 thread, 1 1/4" (31.8mm) long. Fits panels up to 3/4" (19.1mm) thick.Gasket-sealed...
SPST, Off-On. Universal application. Mounting hardware included.
Switches energize two independent circuits simultaneously. 20A total, 6-36V. With 30A circuit breaker included. Silver contacts. Plated steel mounting stem 1/2"-20 thread, 5/8" (15.9mm) long. Black plastic knob 10-32 thread...
The mechanical switches signal many different situations that may occur on commercial vehiches: differential block, low gears brake failure, reduced gears, handbrake failure, etc. Mechanical switches work both with 12V...
The mechanical switches signal many different situations that may occur on commercial vehiches: power takeoff signal light, Idle and reverse gear signal light, Inserted fifth gear signal light, etc. Available...
This product is not recommended for new designs5A at 12V DC. Normally On, Push to Mom Off, spring return to On. Snaps into .80 - .85 (20.3 - 21.6mm) diameter...
This product is not recommended for new designs
This product is not recommended for new designsLittelfuse Heavy Duty Normally Open Push Button Switches are push to operate and will spring return to 'Off' position. They have a cylindrical...
This product is not recommended for new designsLittelfuse Light Duty Momentary Push Button Switches are weather and dust resistant. These push button switches have a gasket-sealed case and an O-Ring...
This product is not recommended for new designsLittelfuse Push Pull Switches are designed for universal applications within harsh environments. Their mounting, body, and actuator features are designed for ease-of-use and...
This product is not recommended for new designsLittelfuse Push Pull Switches are designed for universal applications within harsh environments. Their mounting. body. and actuator features are designed for ease-of-use and...
This product is not recommended for new designsMarine grade momentary switches are suitable for the harsh environments of marine applications. Available Attributes(See Specifications tab for exact part number details) Extra...
This product is not recommended for new designsNormally off black, white or red button compact switch.
This product is not recommended for new designsNormally OnHeavy duty, 10A at 12V DC, 6-36V.Aluminum mounting stem 3/8-32 thread, 5/8 (15.9mm) long.Black plastic knob with 10-32 threaded metal insert.Two screw...
This product is not recommended for new designsOff with plunger depressed, spring return to On. Without faceplate. 1/2 button end plunger. 7/16 -20 thread mounting stem, 7/16 long (11.1mm), two...
This product is not recommended for new designsOff with plunger depressed, spring return to On.With faceplate.Four 3/16 diameter mounting holes, 1 3/8 and 2 1/16 on center (34.9, 51.0mm). 45/64...
This product is not recommended for new designsOn-Off.Two circuits are simultaneously energized.Normally On: Off with plunger depressed, spring return to On. Commonly used in school bus stepwell and door control.Four...
This product is not recommended for new designsSPDT, Off - On circuit 1 - On circuit 2.Switches energize two circuits alternately from a common feed.10A at 12V DC per circuit.Three...
This product is not recommended for new designsThree knob pull positions: In – Mid – Out.In = Headlamps Off; Mid = Parking Lights and Tail Lights On; Out = Headlights...
Three knob pull positions: In – Mid – Out.In = Headlamps Off; Mid = Parking Lights and Tail Lights On; Out = Headlights and Tail Lights On Black knob imprinted...
Three knob pull positions: In – Mid – Out.In = Headlamps Off; Mid = Parking Lights and Tail Lights On; Out = Headlights and Tail Lights On With 20A at...
Three knob pull positions: In = Headlamps Off; Mid = Parking Lights and Tail Lights On; Out = Headlights and Tail Lights On With 30A at 12V circuit breaker, ivory...
Two-circuit, On-On.12V DC.For mounting on gear shift lever with a clamp (not supplied).Red plastic knob, 1 1/4" (31.8mm) diameter.Three female bullet terminals.Zinc diecast case with protective rubber boot.For use with...
Wire harness connects for 50036, Two-Speed Axle Switch.Replaces: Eaton 38810, Ford FAB-14668-B