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. 125-1783
Mfr. Part No.AT443C
£0.308
Each (In a Bag of 10)
Units
Snap-On Cap DB Series, EB Series, M2B Series, MB20 Series, MB25 Series Red 8 (Dia.) x 7.6mm -
RS Stock No. 125-1790
Mfr. Part No.AT4116C
£0.293
Each (In a Bag of 10)
Units
Rectangular Opaque Non-Illuminated Cap UB Series Red 17 x 12 x 3mm -
RS Stock No. 125-1795
Mfr. Part No.AT413B
£0.308
Each (In a Bag of 10)
Units
Screw-On Cap MB20 Series White 8 (Dia.) x 6.5mm -
RS Stock No. 125-1786
Mfr. Part No.AT414C
£0.419
Each (In a Bag of 10)
Units
Screw-On Cap MB20 Series, SB Series, SCB Series, WB Series Red 12.8 (Dia.) x 11mm -
RS Stock No. 125-1809
Mfr. Part No.AT412B
£0.896
Each (In a Bag of 5)
Units
Screw-On Cap MB20 Series, SCB Series, WB Series White 19 (Dia.) x 8mm -
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. 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. 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. 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. 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 -
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. 125-1743
Mfr. Part No.AT4073C
£0.293
Each (In a Bag of 10)
Units
Square Opaque Non-Illuminated Cap UB Series Red 12 x 12 x 3mm -
RS Stock No. 125-1812
Mfr. Part No.AT414A
£0.419
Each (In a Bag of 10)
Units
Screw-On Cap MB20 Series, SB Series, SCB Series, WB Series Black 12.8 (Dia.) x 11mm -
RS Stock No. 125-1775
Mfr. Part No.AT496C
£0.293
Each (In a Bag of 10)
Units
Round Cap AB Series, BB Series, FB, M2B Series, MB24 Series Red 7.5 (Dia.) x 4mm -
RS Stock No. 125-1784
Mfr. Part No.AT413C
£0.308
Each (In a Bag of 10)
Units
Screw-On Cap MB20 Series Red 8 (Dia.) x 6.5mm -
RS Stock No. 125-1774
Mfr. Part No.AT475B
£0.215
Each (In a Bag of 10)
Units
Round Cap AB Series, BB Series, FB, M2B Series, MB24 Series White 5.1 (Dia.) x 4mm -
RS Stock No. 125-1742
Mfr. Part No.AT4073F
£0.293
Each (In a Bag of 10)
Units
Square Opaque Non-Illuminated Cap UB Series Green 12 x 12 x 3mm -
RS Stock No. 125-1747
Mfr. Part No.AT3002BB
£1.026
Each (In a Bag of 5)
Units
Round Solid Cap YB Series White 15 (Dia.) x 4mm -
RS Stock No. 125-1746
Mfr. Part No.AT4074J
£0.293
Each (In a Bag of 10)
Units
Square Transparent Illuminated Cap UB Series Clear 12 x 12 x 3mm -
RS Stock No. 125-1762
Mfr. Part No.AT4178JC
£1.542
Each (In a Bag of 5)
Units
Round Cap LB Series Clear, Red 19 (Dia.) x 10mm -