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. 350-282
Mfr. Part No.76-9112/439088
BrandITW
HK$92.31
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount No 22.5 (Dia.)mm 22.5mm 10 A @ 250 V ac - - IP67 Red - Round Solder
RS Stock No. 913-1768
Mfr. Part No.FL13NY
BrandEOZ
HK$45.56
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount No 13.5 (Dia.)mm 13.5mm 65 mA - - IP67 Yellow 5V Round Plug In
RS Stock No. 173-9322
Mfr. Part No.515015-601
HK$85.295
Each (In a Bag of 100)
units
Latching 1NO/1NC Panel Mount No 16.2 (Dia.)mm 16.2mm - - - IP67 - 250V ac Round Tab
RS Stock No. 350-822
Mfr. Part No.515015-601
HK$134.31
Each
units
Latching - Panel Mount - - - - - - IP67 - - Round Tab
RS Stock No. 336-731
Mfr. Part No.9533CD+U572
BrandAPEM
HK$50.59
Each
units
Momentary 1-pole on-off switch Panel Mount - 4.2 (Dia.)mm 4.2mm 100 mA @ 30 V dc - - - Black 30V dc Round Solder
RS Stock No. 133-6502
Mfr. Part No.MSP121CSW
HK$34.72
Each
units
Momentary 1-pole on-off switch Panel Mount No 7.4 (Dia.)mm - 650 mA @ 30 V dc - - - Black 250V ac Plunger Solder
RS Stock No. 702-7099
Mfr. Part No.48M 112B
BrandITW
HK$193.42
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 17.98 (Dia.)mm 17.98mm 250 mA @ 12 V dc Blue - IP67 Silver - Round Solder
RS Stock No. 173-8547
Mfr. Part No.48M 112B
BrandITW
HK$137.00
Each (In a Box of 50)
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 19.25 (Dia.)mm 19.25mm 250 mA @ 12 V dc Blue - IP67 Silver - Flat Solder
RS Stock No. 173-9335
Mfr. Part No.TH401100625
HK$234.358
Each (In a Bag of 50)
units
Latching 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. 758-2114
Mfr. Part No.SPUJ191500
HK$11.225
Each (In a Box of 4)
units
Momentary Double Pole Double Throw (DPDT) PCB No - - 100 mA @ 30 V dc - - - Blue 30V dc Cylinder Straight Through Hole
RS Stock No. 338-951
Mfr. Part No.TH401100625
HK$272.01
Each
units
Latching NO/NC Panel Mount Yes 16.2mm 16.2mm 5 A@ 250 V ac - - - Grey - Rectangular -
RS Stock No. 690-3255
Mfr. Part No.R16FFNSTAG
BrandEOZ
HK$68.85
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount No 16.2 (Dia.)mm 16.2mm 2 A @ 48 V dc - - IP65 Silver 48 V dc, 250 V ac Round Screw
RS Stock No. 734-6704
BrandRS PRO
HK$28.00
Each
units
Momentary 1-pole on-off switch Panel Mount No 13.6 (Dia.)mm 13.6mm 400 mA @ 32 V ac - - IP67 Black 32/50/125V ac Dome Solder
RS Stock No. 173-8524
Mfr. Part No.59-113
BrandITW
HK$48.44
Each (In a Box of 50)
units
Momentary Single Pole Single Throw (SPST) Panel Mount No 13.6 (Dia.)mm 13.6mm 400 mA @ 32 V ac - - IP67 Green - Round Solder
RS Stock No. 321-256
Mfr. Part No.59-113
BrandITW
HK$69.94
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount No 13.6 (Dia.)mm 13.6mm 400 mA @ 32 V ac - - IP67 Green - Round Solder
RS Stock No. 144-8534
Mfr. Part No.59-113
BrandITW
HK$48.44
Each (In a Tray of 50)
units
Momentary Single Pole Single Throw (SPST) Panel Mount - - 13.6mm 400 mA @ 32 V ac - - IP67 Green - Round Solder
RS Stock No. 811-8483
BrandRS PRO
HK$162.52
Each
units
Latching Single Pole Double Throw (SPDT) Panel Mount Yes 22 (Dia.)mm 22mm 5 A @ 250 V ac Blue - IP65, IP67 Silver 12V Flat Quick Connect
RS Stock No. 133-6473
Mfr. Part No.MSP101C
HK$27.19
Each
units
Momentary 1-pole on-off switch Panel Mount No 7.4 (Dia.)mm 7.4mm 650 mA @ 30 V dc - - - Red 250V ac Cylinder Solder
RS Stock No. 103-6280
Mfr. Part No.1213C BLACK
BrandAPEM
HK$30.69
Each
units
Momentary 1-pole on-off switch Panel Mount No 12.2 (Dia.)mm 12.2mm 2 A @ 24 V dc - - - Black 250V ac Round Solder, Tab
RS Stock No. 223-058
Mfr. Part No.APE1F-5M-10-Z
HK$18.28
Each
units
Momentary Single Pole Double Throw (SPDT) PCB - - - 50 mA @ 48 V ac/dc - - - - - - Through Hole
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