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
RS Stock No. 125-1751
Mfr. Part No.AT4128JB
HK$17.724
Each (In a Bag of 5)
units
Round Cap LB Series Clear, White 19 (Dia.) x 10mm
RS Stock No. 181-7218
Mfr. Part No.AT3002CB
HK$10.18
Each
units
Round Solid Cap YB Series Pushbuttons - 15 (Dia.) x 12.2mm
RS Stock No. 125-1799
Mfr. Part No.AT422C
HK$3.76
Each (In a Bag of 10)
units
Slip-On Cap SB40 Series Red 10 (Dia.) x 6mm
RS Stock No. 181-7123
Mfr. Part No.AT4013JB
HK$13.56
Each
units
Round Insert Cap LB Series Pushbuttons - 19 (Dia.) x 10mm
RS Stock No. 181-7257
Mfr. Part No.AT4163JC
HK$14.94
Each
units
Rectangular Cap LB Series Pushbuttons Red/Clear 19.4 x 13.2 x 11mm
RS Stock No. 181-7246
Mfr. Part No.AT4135E
HK$8.39
Each
units
Frosted Cap JB Series Pushbuttons Yellow 12 x 12 x 7.3mm
RS Stock No. 125-1763
Mfr. Part No.AT4179JF
HK$13.99
Each (In a Bag of 5)
units
Round Cap LB Series Clear, Green 19 (Dia.) x 9mm
RS Stock No. 181-7150
Mfr. Part No.AT4167CB
HK$8.53
Each
units
Round Cap HB Series Pushbuttons - 7.4 (Dia.) x 9.3mm
RS Stock No. 125-1777
Mfr. Part No.AT412A
HK$9.264
Each (In a Bag of 5)
units
Screw-On Cap MB20 Series, SCB Series, WB Series Black 19 (Dia.) x 8mm
RS Stock No. 125-1745
Mfr. Part No.AT4073E
HK$3.368
Each (In a Bag of 10)
units
Square Opaque Non-Illuminated Cap UB Series Yellow 12 x 12 x 3mm
RS Stock No. 125-1774
Mfr. Part No.AT475B
HK$2.61
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. 125-1754
Mfr. Part No.AT4162JB
HK$15.748
Each (In a Bag of 5)
units
Square Cap LB Series Clear, White 13.2 x 13.2 x 3.5mm
RS Stock No. 181-7124
Mfr. Part No.AT4032JB
HK$8.74
Each
units
Round Solid Cap HB Series Pushbuttons - 7.4 (Dia.) x 9.3mm
RS Stock No. 181-7201
Mfr. Part No.AT455B
HK$10.46
Each
units
Round Shroud MB20 Series Pushbuttons, SCB Series Pushbuttons White 24 (Dia.) x 12mm
RS Stock No. 181-7082
Mfr. Part No.AT477JB
HK$13.18
Each
units
Square Colored Insert Cap LB Series Pushbuttons - 13.2 x 13.2 x 10mm
RS Stock No. 181-7207
Mfr. Part No.AT529
HK$11.26
Each
units
Mounter EB Series Square Cap - 18 x 12.2 x 11.5mm
RS Stock No. 181-7249
Mfr. Part No.AT407F
HK$5.75
Each
units
Screw-On Cap MB20 Series Pushbuttons Green 10 (Dia.) x 8mm
RS Stock No. 181-7151
Mfr. Part No.AT4167FB
HK$8.74
Each
units
Round Cap HB Series Pushbuttons - 7.4 (Dia.) x 9.3mm
RS Stock No. 125-1740
Mfr. Part No.AT4117J
HK$2.94
Each (In a Bag of 10)
units
Rectangular Transparent Illuminated Cap UB Series Clear 17 x 12 x 3mm
RS Stock No. 125-1746
Mfr. Part No.AT4074J
HK$3.368
Each (In a Bag of 10)
units
Square Transparent Illuminated Cap UB Series Clear 12 x 12 x 3mm