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. 664-323
Mfr. Part No.TP33P0080
BrandAPEM
$7.11
Each
units
Momentary Single Pole Single Throw (SPST) PCB No - - 400 mA @ 20 V - - - - 20V Cylinder Through Hole
RS Stock No. 236-9496
Mfr. Part No.IPC3FAD-6
BrandAPEM
$34.59
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount No 13.6 (Dia.)mm 12mm 5 A @ 28 V dc - - IP67 Red 48V ac Dome Through Hole
RS Stock No. 123-6272
Mfr. Part No.AV2221E724Q04
$26.87
Each
units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes - 22.2mm 3 A Blue - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 691-5179
Mfr. Part No.A1PCA1X220J403
BrandAPEM
$26.00
Each
units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes - 16mm 6 A @ 250 V ac Blue - IP65 Silver 250V ac Round Solder, Tab
RS Stock No. 841-8985
Mfr. Part No.MP0033
BrandBulgin
$19.47
Each
units
Momentary Single Pole Single Throw (SPST) Front Panel No 19.2 (Dia.)mm 19.2mm 1 A - - IP66, IP68 Chrome 50V Round Screw
RS Stock No. 127-8483
Mfr. Part No.MAV0120/3D2RD024
BrandBulgin
$21.73
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes - 12mm 2 A Red - IP67 Silver 36V dc Round Solder Lug
RS Stock No. 124-7843
Mfr. Part No.IAR3F1100
BrandAPEM
$18.57
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount No 16.2 (Dia.)mm 16.2mm 2 A - - IP65, IP67 Blue 24V dc Round Flying Lead
RS Stock No. 708-2986
Mfr. Part No.MPI001/28/RD
BrandBulgin
$20.34
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 50 mA @ 24 V dc - - IP66 Silver 24V dc Flat -
RS Stock No. 690-3422
Mfr. Part No.R19FFSSPAGRB6
BrandEOZ
$40.06
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 5 A @ 250 V ac Blue - IP65 Silver - Round Solder
RS Stock No. 163-9280
Mfr. Part No.AV2221E724Q04
$23.882
Each (In a Bag of 100)
units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes - 22.2mm 3 A Blue - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 691-1650
Mfr. Part No.IRR3F462LOS
BrandAPEM
$18.43
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 14.8 (Dia.)mm 14.8mm 200 mA @ 48 V dc Red - IP67 Red 250V ac Dome Through Hole
RS Stock No. 174-6101
Mfr. Part No.E112SD1V3QE
BrandC & K
$13.91
Each
units
Momentary Single Pole Double Throw (SPDT) PCB No - - 4 A @ 28 V dc - - - Silver - Plunger Through Hole
RS Stock No. 693-2082
Mfr. Part No.A3PFA1X201K3
BrandApem
$31.00
Each
units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes - 30mm 6 A @ 250 V ac Amber - IP65 Silver - Round Solder, Tab
RS Stock No. 173-7949
Mfr. Part No.1241.6632.3120066
BrandSchurter
$49.741
Each (In a Box of 10)
units
Momentary Single Pole Double Throw (SPDT) Panel Mount No 22 (Dia.)mm 22mm 5 A @ 250 V ac - - IP40 - 250V ac Flat Through Hole
RS Stock No. 664-755
Mfr. Part No.AL8Q-M10
BrandIdec
$13.18
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 8 (Dia.)mm 8mm 100 mA @ 50 V ac - - IP40 - 250V Cylinder Solder
RS Stock No. 122-2941
Mfr. Part No.H48M-210N4044
BrandITW
$36.17
Each
units
Latching Single Pole Double Throw (SPDT) Panel Mount - 19.56 (Dia.)mm 19.56mm 10 A - - IP67 White 28 V dc, 125/250 V ac Round Solder
RS Stock No. 708-2891
Mfr. Part No.1241.6632.3120066
BrandSchurter
$58.93
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount No 22 (Dia.)mm 22mm 5 A @ 250 V ac - - IP40 Silver 125/250V ac Flat Through Hole
RS Stock No. 219-0559
Mfr. Part No.18-237.035
BrandEAO
$19.10
Each
units
Latching 1NO Flush Mount Yes 8 (Dia.)mm 8mm 100 mA @ 42 V - - - - - Square -
RS Stock No. 373-1684
Mfr. Part No.ZP32S0101
BrandAPEM
$4.747
Each (In a Pack of 3)
units
Momentary Single Pole Single Throw (SPST) Panel Mount No 4.9 (Dia.)mm 4.9mm 500 mA @ 48 V - - - - 20/48V ac Plunger Solder
RS Stock No. 225-943
Mfr. Part No.AV091L5EA240K
BrandAPEM
$62.06
Each
units
Latching - Panel Mount Yes 19.2 (Dia.)mm 19.2mm 2 A @ 48 V dc Yellow - IP65 Silver 48V dc Round Solder
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