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. 354-3689
Mfr. Part No.AT-475-K
$0.846
Each (In a Pack of 5)
units
Cap FB Series (Momentary Push Button Switch) Black -
RS Stock No. 181-7134
Mfr. Part No.AT4116F
$0.62
Each
units
Rectangular Opaque Cap UB Series Non-Illuminated Pushbuttons Green 17 x 12 x 3mm
RS Stock No. 224-742
Mfr. Part No.140000340182
$1.094
Each (In a Pack of 5)
units
7.5mm Round Frame LTM Series Push Button Switches, LTMG Series Push Button Switches, LTR Series Push Button Switches Grey -
RS Stock No. 181-7136
Mfr. Part No.AT4117F
$0.62
Each
units
Rectangular Transparent Cap UB Series Illuminated Pushbuttons Green 17 x 12 x 3mm
RS Stock No. 913-1692
Mfr. Part No.20.17504.01
BrandEOZ
$2.726
Each (In a Bag of 5)
units
Cap 10 mm Push Button Black 9 (Dia.) x 5mm
RS Stock No. 125-1798
Mfr. Part No.AT422A
$0.809
Each (In a Bag of 10)
units
Slip-On Cap SB40 Series Black 10 (Dia.) x 6mm
RS Stock No. 125-1764
Mfr. Part No.AT4179JB
$3.364
Each (In a Bag of 5)
units
Round Cap LB Series Clear, White 19 (Dia.) x 9mm
RS Stock No. 913-1677
Mfr. Part No.20.17254.01
BrandEOZ
$5.746
Each (In a Bag of 5)
units
Cap DJET Push Button Black 13 (Dia.) x 6mm
RS Stock No. 125-1776
Mfr. Part No.AT4063B
$0.517
Each (In a Bag of 10)
units
Slip-On Cap G3B Series, GB Series White 4 (Dia.) x 2.4mm
RS Stock No. 125-1804
Mfr. Part No.AT4017A
$1.932
Each (In a Bag of 5)
units
Round Non-Illuminated Cap LB Series Black 19 (Dia.) x 10mm
RS Stock No. 223-474
Mfr. Part No.140000470052
$0.46
Each (In a Pack of 5)
units
Cap MPG Mustang Push Button Switch Red -
RS Stock No. 181-7195
Mfr. Part No.AT443F
$4.67
1 Bag of 5
Bag(s)
Snap-On Cap DB Series Pushbuttons, EB Series Pushbuttons, M2B Series Pushbuttons, MB20 Series Pushbuttons, MB25 Series Pushbuttons Green 8 (Dia.) x 7.6mm
RS Stock No. 181-7198
Mfr. Part No.AT454B
$1.27
Each
units
Round Insert MB20 Series Pushbuttons, SCB Series Pushbuttons White 17.7 (Dia.) x 4mm
RS Stock No. 125-1792
Mfr. Part No.AT4118F
$0.485
Each (In a Bag of 10)
units
Rectangular Transparent Cap UB Series Green 15.35 x 10.35 x 0.5mm
RS Stock No. 495-2539
Mfr. Part No.1E091
BrandMEC
$1.676
Each (In a Pack of 10)
units
Cap 3F Series Push Button Switch, 4F Series Push Button Switch Black -
RS Stock No. 223-402
Mfr. Part No.140000480089
$0.46
Each (In a Pack of 5)
units
Cap (Dia. 15mm, H10mm) 8N Series Switches, 8P Series Switches, SP101 Series Switches Red -
RS Stock No. 224-720
Mfr. Part No.140000340181
$0.598
Each (In a Pack of 5)
units
7.5mm Square Frame LTM Series Push Button Switches, LTMG Series Push Button Switches, LTR Series Push Button Switches Ivory -
RS Stock No. 913-8842
Mfr. Part No.KM 608
$1.508
Each (In a Bag of 5)
units
Cap MP5 Series Push Button Switch, MPA Series Push Button Switch, MPE Series Push Button Switch Yellow 15 (Dia.) x 10mm
RS Stock No. 125-1780
Mfr. Part No.AT496B
$0.582
Each (In a Bag of 10)
units
Round Cap AB Series, BB Series, FB, M2B Series, MB24 Series White 7.5 (Dia.) x 4mm
RS Stock No. 181-7138
Mfr. Part No.AT4139C
$1.499
Each (In a Bag of 10)
units
Square Flat Cap JB Series Pushbuttons Red 10 x 10 x 5.7mm
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Ultra-miniature PCB mounting pushbutton switches with momentary contacts. ...
Description:
Ultra-miniature PCB mounting pushbutton switches with momentary contacts. Body size only 4.5 x 7 x 7mm. Immersion cleaning is possible after soldering. Independent detent mechanism gives a good tactile feel. Contact design ensures long-term stability and reliability. Gold-plated contactsPCB terminals ...
Silver contacts. Self-extinguishing thermoplastic UL94V-2Contact Rating 16A @ ...
Description:
Silver contacts. Self-extinguishing thermoplastic UL94V-2Contact Rating 16A @ 250V a.c. (Approved to 10A @ 250 V)Mechanical Life: >105 operations. Dimensions: Depth behind panel 34mm, max. panel thickness 2.5, panel cut-out 25mm.
Available in either momentary or alternate actions. Contacts ...
Description:
Available in either momentary or alternate actions. Contacts rated at 240Vac 3A, 125Vac 6AButtons (not supplied with switch) are available in two sizes, see typically stock no's 339-639 , 339-617Solder terminals.
Note: When not illuminated, the green LED appears ...
Description:
Note: When not illuminated, the green LED appears to be yellow. 8mm contact indicators for panel mountingLED illumination, Suitable LEDs are supplied separately. Indicators are available in both square and round styles. Solder Tab terminals.