Push Button Switches

A push button is a simple type of switch that controls an action in a machine or some type of process. Most of the time, the buttons are plastic or metal. The shape of the push button may conform to fingers or hands for easy use, or they may simply be flat.
Push Button Switch Operation
Push button switches typically have two key parts, an actuator and the contacts. The actuator will go all the way through the switch and into a thin cylinder at the bottom. Inside is a movable contact and spring. When the actuator is pressed, it touches with the stationary contacts, causing the action to take place.
Push buttons are available with normally open or normally closed contacts that change state when the actuator is operated. Momentary switches require the user to keep holding the button for an action to take place, this action is then reset once the button is released. Latching push buttons keep the switch in the set contact state until the button is pressed again.
Push Button Switch Uses
Push button switches are popular in a variety of different applications, including calculators, push button phones, and many home appliances. You can find them in the home, the office, and in industrial applications. They can turn machines on and off, or cause the devices to perform specific actions, as is the case with calculators. In some cases, specifically for commercial and industrial usage, the buttons can connect through mechanical linkage, which means that pushing one button can actually cause another button to release.

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Description Price Switch Operation Contact Configuration Mounting Type Illuminated Panel Cut Out Size Panel Cut Out Diameter Contact Current Rating LED Colour Series IP Rating Actuator Colour Voltage Rating Actuator Shape Terminal Type
RS Stock No. 204-8054
Mfr. Part No.8125SHZBE
BrandC & K
$9.11
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount No 15.24 x 12.70mm - 400 mA @ 20 V - - - Grey - Cylinder Solder
RS Stock No. 179-1022
Mfr. Part No.8261J81ZQE22
BrandC & K
$28.06
Each
units
Latching Double Pole Double Throw (DPDT) Panel Mount No 15.24 x 12.70mm - 6 A @ 120 V ac, 6 A @ 28 V dc - - - Black - Plunger Solder
RS Stock No. 174-5962
Mfr. Part No.EP12SD1V3BE
BrandC & K
$14.01
Each
units
Momentary Single Pole Double Throw (SPDT) PCB No - - 400 mA @ 20 V - - - - - Plunger Vertical Through Hole
RS Stock No. 339-443
Mfr. Part No.ZNE18 FA200 BK OG 2U EE L
BrandC & K
$34.23
Each
units
Latching Double Pole Double Throw (DPDT) Panel Mount - 14 (Dia.)mm 14mm 4 A @ 250 V ac - - - Orange 250V ac Round -
RS Stock No. 793-1582
Mfr. Part No.EP12SD1SA1BE
BrandC & K
$10.75
Each
units
Momentary Single Pole Double Throw (SPDT) Surface Mount No - - 400 mA @ 20 V - - IP57 - - Cylinder Solder Tag
RS Stock No. 787-4842
Mfr. Part No.EP11SD1CBE
BrandC & K
$10.19
Each
units
Momentary Single Pole Single Throw (SPST) PCB No 13 (Dia.)mm 13mm 400 mA @ 20 V - - IP40 - - Cylinder Vertical Through Hole
RS Stock No. 339-897
Mfr. Part No.ZNE18 FA200 BK GN 2U EE L
BrandC & K
$27.09
Each
units
Latching Double Pole Double Throw (DPDT) Panel Mount - 14 (Dia.)mm 14mm 4 A @ 250 V ac - - - Green 250V ac Round -
RS Stock No. 174-4234
Mfr. Part No.8121J85ZGE223
BrandC & K
$24.89
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 15.24 x 12.70mm - 1 A @ 28 V dc Red - - Black - Square Solder
RS Stock No. 174-4240
Mfr. Part No.8121J85ZGE226
BrandC & K
$35.00
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 15.24 x 12.70mm - 1 A @ 28 V dc Green - - Black - Square Solder
RS Stock No. 793-1576
Mfr. Part No.EP11SD1CBE
BrandC & K
$10.19
Each
units
Momentary Single Pole Single Throw (SPST) Through Hole No 13 (Dia.)mm 13mm 400 mA @ 20 V - - IP57 - - Cylinder Solder Tag
RS Stock No. 153-3984
Mfr. Part No.EP11S2D1CBE
BrandC & K
$10.095
Each (In a Pack of 50)
units
Momentary Single Pole Single Throw (SPST) Through Hole No - - 0.4 VA @ 20 V ac/dc - - IP57 Black 20V ac/dc Round PC Pin
RS Stock No. 153-4110
Mfr. Part No.EP11SD1AGE
BrandC & K
$8.761
Each (In a Pack of 50)
units
Momentary Single Pole Single Throw (SPST) Through Hole No - - 0.4 VA @ 20 V ac/dc - - IP57 Black 20V ac/dc Round PC Pin
RS Stock No. 161-2407
Mfr. Part No.APB4E07TZBE002
BrandC & K
$20.56
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 13.7 (Dia.)mm 13.7mm 200 mA @ 24 V dc Blue - IP67 Black 24V dc Round Solder
RS Stock No. 153-4119
Mfr. Part No.GT11MSABE
BrandC & K
$6.138
Each (On a Reel of 600)
units
Latching Single Pole Double Throw (SPDT) Surface Mount No - - 0.4 VA @ 20 V ac/dc - - - Black 20V ac/dc Round Solder
RS Stock No. 155-8860
Mfr. Part No.K12P BK 1.5 9N
BrandC & K
$2.525
Each (In a Box of 300)
units
Momentary Single Pole Single Throw (SPST) PCB No - - 100 mA - - IP40 Black 30V dc Round Solder
RS Stock No. 161-2961
Mfr. Part No.F 2U EE
BrandC & K
$8.621
Each (In a Pack of 100)
units
Latching Double Pole Double Throw (DPDT) Through Hole No - - 500 mA - - - White 30 V dc, 125 V ac Cap Solder
RS Stock No. 174-6088
Mfr. Part No.E112LYCQE
BrandC & K
$15.97
Each
units
Momentary Single Pole Double Throw (SPDT) PCB No 6.35 (Dia.)mm 6.35mm 4 A @ 28 V dc - - - - - Plunger Through Hole
RS Stock No. 176-9424
Mfr. Part No.KS11R23CQD
BrandC & K
$3.061
Each (In a Bag of 100)
units
Momentary Single Pole Single Throw (SPST) Through Hole No 12.32 x 12.32mm - 25 mA - - - Red 50V ac/dc Square Through Hole
RS Stock No. 153-4112
Mfr. Part No.EP12SD1SAPE
BrandC & K
$11.091
Each (On a Reel of 600)
units
Momentary Single Pole Double Throw (SPDT) Surface Mount No - - 0.4 VA @ 20 V ac/dc - - IP57 White 20V ac/dc Round PC Pin
RS Stock No. 153-4165
Mfr. Part No.PVA1 OA H1 1.2N V2
BrandC & K
$1.712
Each (In a Pack of 1500)
units
Momentary Double Pole Double Throw (DPDT) Through Hole No - - 100 mA - - - White 32V dc Square PC Pin