Push Button Caps

Push button caps are a type of push button that is used as a switch mechanism for controlling a machine or electrical process. Round push buttons are typically made out of hard material, usually plastic or metal.

How do push button caps work?

A push button switch is a small, sealed mechanism that completes an electric circuit when you press on it. When the circuit is connected, a small metal spring inside the push button makes contact with two wires, allowing the electricity to flow.

In industrial and commercial applications, push buttons can be connected together by a mechanical linkage so that the act of pushing one button causes the other button to be released.

What are push button caps used for?

Push button caps are used in a variety of different applications such as commonplace kitchen appliances, push-button telephones and calculators. Some of the most commonly used types of push button is a red push button. These are regularly used to facilitate the stopping of a machine, otherwise known as an emergency stop buttons and are used to maintain safety in electrical code.


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Description Price Accessory Type For Use With Cap Colour Dimensions Priced to Clear
RS Stock No. 125-1803
Mfr. Part No.AT3022JB
£0.734
Each (In a Bag of 5)
Units
Square Cap NP01 Series Clear, White 12 x 12 x 10.2mm -
RS Stock No. 787-4805
Mfr. Part No.801802000
BrandC & K
£0.70
Each
Units
Cap 8020 Series (Snap-Acting Push Button Switches) Black - -
RS Stock No. 125-1785
Mfr. Part No.AT475C
£0.215
Each (In a Bag of 10)
Units
Round Cap AB Series, BB Series, FB, M2B Series, MB24 Series Red 5.1 (Dia.) x 4mm -
RS Stock No. 691-1997
Mfr. Part No.1WD09
BrandMEC
£0.736
Each (In a Pack of 5)
Units
Cap 3F Series Push Button Switch Black - -
RS Stock No. 174-6050
Mfr. Part No.465802000
BrandC & K
£0.32
Each (In a Pack of 5)
Units
Cap EP Series (Sealed Tiny Push Button Switch) - - -
RS Stock No. 913-8836
Mfr. Part No.KM 604
£0.656
Each (In a Bag of 5)
Units
Cap MP5 Series Push Button Switch, MPA Series Push Button Switch, MPE Series Push Button Switch Blue 15 (Dia.) x 10mm -
RS Stock No. 125-1788
Mfr. Part No.AT4074F
£0.293
Each (In a Bag of 10)
Units
Square Transparent Illuminated Cap UB Series Green 12 x 12 x 3mm -
RS Stock No. 883-2079
Mfr. Part No.TH460412000
£2.369
Each (In a Pack of 10)
Units
Pushbutton Lens TH25 Series Red 14 x 20mm -
RS Stock No. 691-1978
Mfr. Part No.1WA09
BrandMEC
£0.736
Each (In a Pack of 5)
Units
Cap 3F Series Push Button Switch Black - -
RS Stock No. 495-4670
Mfr. Part No.1D03
BrandMEC
£0.504
Each (In a Pack of 10)
Units
Cap 3F Series Push Button Switch Grey - -
RS Stock No. 125-1740
Mfr. Part No.AT4117J
£0.293
Each (In a Bag of 10)
Units
Rectangular Transparent Illuminated Cap UB Series Clear 17 x 12 x 3mm -
RS Stock No. 495-2113
Mfr. Part No.1BMIX
BrandMEC
£1.552
Each (In a Pack of 10)
Units
Cap 3A Series Push Button Switch Assorted - -
RS Stock No. 495-4513
Mfr. Part No.1B08
BrandMEC
£0.334
Each (In a Pack of 10)
Units
Cap 3A Series Push Button Switch Red - -
RS Stock No. 783-0057
Mfr. Part No.C22504
£0.81
Each
Units
Cap MPA6 Series, MPE Series, MPS Series, MSPM Series Green - -
RS Stock No. 691-2038
Mfr. Part No.1WP53
BrandMEC
£0.77
Each (In a Pack of 5)
Units
Cap 3F Series Push Button Switch Grey - -
RS Stock No. 484-6276
Mfr. Part No.U2603
BrandAPEM
£1.32
Each
Units
Cap Apem 10400 Series (Push Button Switch) Green - -
RS Stock No. 691-2044
Mfr. Part No.U916
BrandAPEM
£0.37
Each (In a Pack of 5)
Units
Cap Apem 18000 Series (Snap Action Momentary Push Button Switch) Red 4 x 5mm -
RS Stock No. 236-9525
Mfr. Part No.U2903
BrandAPEM
£0.36
Each (In a Pack of 5)
Units
Cap Apem SP Series (Push Button Switch) Green - -
RS Stock No. 125-1800
Mfr. Part No.AT442F
£0.277
Each (In a Bag of 10)
Units
Snap-On Cap DB Series, EB Series, M2B Series, MB20 Series, MB25 Series Green 10 (Dia.) x 8mm -
RS Stock No. 125-1816
Mfr. Part No.AT484C
£1.14
Each (In a Bag of 5)
Units
Square Non-Illuminated Cap LB Series Red 13.2 x 13.2 x 3.5mm -
Related Products
Gold-plated contacts Three types of terminals are available; ...
Description:
Gold-plated contacts Three types of terminals are available; vertical, horizontal right angled, and vertical right angled, enabling the user to select space saving configurations Push-on coloured button caps are available separately Electrical and mounting specifications are as the washable ultra-miniature toggle switches, see this section Totally sealed, suitable for immersion ...
These momentary snap-action push button switches all feature ...
Description:
These momentary snap-action push button switches all feature on - momentary on contacts.A selection of contact configurations are available along with caps, frames washers and nuts. Typical Applications:Instrumentation Computer peripherals Telecommunications equipment. Momentary pushbutton switches Solder tags Plunger Ø 3.1mm Positive tactile feel Multi-positions available Wide variety of termination options ...
Accessories and Hardware for NKK product lines including ...
Description:
Accessories and Hardware for NKK product lines including caps, knobs, bat levers, boots and protective guards. Many hardware pieces are available in both metric and inch threading, and in such cases M (metric) and H (inch) are noted in the descriptions.
From Apem, this momentary push-button switch is available ...
Description:
From Apem, this momentary push-button switch is available as Single Pole Double Throw (see stock no: 236-9547) or Double Pole Double Throw (see stock no: 236-9553). With solder lug terminals sealed into the switch by epoxy resin, this compact panel mount switch is designed with convenient installation in mind. The ...