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. 319-332
Mfr. Part No.SP6014C100000
BrandMolveno
HK$54.00
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount - 25 (Dia.)mm 25mm 16 A @ 250 V ac - - - Red - Round Solder, Tab
RS Stock No. 762-5798
Mfr. Part No.SPC103F
HK$18.63
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount - 16.1 x 16.1mm - 3 A@ 125/250 V ac, 3 A@ 30 V dc - - - - - - Solder Tag
RS Stock No. 693-2259
Mfr. Part No.A9PFA1Y2BJ1
BrandAPEM
HK$397.73
Each
units
Momentary Double Pole Double Throw (DPDT) Panel Mount Yes - 30mm 6 A @ 250 V ac Red - IP65 Silver - Round Solder, Tab
RS Stock No. 913-1718
Mfr. Part No.FL12NN
BrandEOZ
HK$65.80
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount No 12 (Dia.)mm 12mm 65 mA - - IP67 Black 5V Round Plug In
RS Stock No. 319-449
Mfr. Part No.SP6018C1E0000
BrandMolveno
HK$74.39
Each
units
Latching 2-pole on-off switch Panel Mount Yes 25 (Dia.)mm 25mm 16 A @ 250 V ac Green - - Black - Plunger Tab
RS Stock No. 319-433
Mfr. Part No.SP6018C1G0000
BrandMolveno
HK$69.82
Each
units
Latching 2-pole on-off switch Panel Mount Yes 25 (Dia.)mm 25mm 16 A @ 250 V ac Red - - Black - Plunger Tab
RS Stock No. 173-9334
Mfr. Part No.TH400100601
HK$169.259
Each (In a Bag of 50)
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 16.2 (Dia.)mm 16.2mm 5 A @ 250 V ac - - - Grey 250V ac Rectangular -
RS Stock No. 174-4234
Mfr. Part No.8121J85ZGE223
BrandC & K
HK$135.14
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. 708-2917
Mfr. Part No.1241.7036.1121074
BrandSchurter
HK$427.29
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 22 (Dia.)mm 22mm 3 A @ 250 V ac Red - IP69K Silver 250V ac Flat Tab
RS Stock No. 173-7956
Mfr. Part No.1241.7036.1121074
BrandSchurter
HK$381.106
Each (In a Box of 10)
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 22 (Dia.)mm 22mm 3 A @ 250 V ac Red - IP69K Silver 250V ac Flat Tab
RS Stock No. 846-6745
BrandRS PRO
HK$95.95
Each
units
Latching 3P CO PCB No 12.2 (Dia.)mm 12.2mm 2 A, 4 A - - - - - Cylinder Pc Pin
RS Stock No. 693-2253
Mfr. Part No.A9PFA1Y2EJ2
BrandAPEM
HK$397.73
Each
units
Momentary Double Pole Double Throw (DPDT) Panel Mount Yes - 30mm 6 A @ 250 V ac Green - IP65 Silver - Round Solder, Tab
RS Stock No. 338-945
Mfr. Part No.TH400100601
HK$152.77
Each
units
Momentary NO/NC Panel Mount Yes 16.2mm 16.2mm 5 A@ 250 V ac - - - Grey - Rectangular -
RS Stock No. 708-2958
Mfr. Part No.MP0037
BrandBulgin
HK$122.75
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount, Screw Mount No 19.2 (Dia.)mm 19.2mm 1 A @ 50 V ac - - IP68 Silver 50V ac/dc Round Screw
RS Stock No. 103-5748
Mfr. Part No.8636A
BrandAPEM
HK$109.16
Each
units
Latching Single Pole Double Throw (SPDT) Panel Mount No 6.5 (Dia.)mm 6.5mm 4 A@ 30 V dc - - - Silver 250V ac Round Solder
RS Stock No. 134-2513
Mfr. Part No.MPG206R
HK$112.35
Each
units
Momentary Double Pole Double Throw (DPDT) Panel Mount No 12.5 (Dia.)mm 12.5mm 4 A @ 30 V dc - - - Chrome - Plunger Solder
RS Stock No. 350-800
Mfr. Part No.513015-601
HK$145.01
Each
units
Latching - Panel Mount - - - - - - IP67 - - - Tab
RS Stock No. 762-5805
Mfr. Part No.TM2-21-L2
HK$7.60
Each
units
Momentary Single Pole Single Throw (SPST) PCB Yes - - 50 mA@ 48 V dc Red - - - - - PC Terminal
RS Stock No. 103-5732
Mfr. Part No.8632A
BrandAPEM
HK$128.30
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount No 6.5 (Dia.)mm 6.5mm 4 A@ 30 V dc - - - Silver 250V ac Round Solder, Tab
RS Stock No. 319-354
Mfr. Part No.SP6017C100000
BrandMolveno
HK$52.76
Each
units
Momentary Double Pole Double Throw (DPDT) Panel Mount - 25 (Dia.)mm 25mm 16 A @ 250 V ac - - - Red - Round Tab