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. 320-792
Mfr. Part No.76-9420/439088R
BrandITW
TWD533.00
Each
units
- SPDT-NO/NC Panel Mount Yes - - 10.1 A @ 250 V ac - - - Red - - Solder, Tab
RS Stock No. 426-461
Mfr. Part No.1241.6631.1180000
BrandSchurter
TWD457.00
Each
units
Momentary Single Pole Double Throw (SPDT) Through Hole No 22 (Dia.)mm 22mm 5 A @ 250 V ac - - IP67 Silver 250V ac Round Pin
RS Stock No. 762-5552
Mfr. Part No.LP2S-16S-559-Z
TWD213.00
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 16.2 x 16.2mm - 3 A @ 125/250 V ac, 3 A @ 30 V dc Green - - Green - - Solder Tag
RS Stock No. 222-358
Mfr. Part No.TR1-01
TWD19.00
Each
units
Off-(On) Single Pole Single Throw (SPST) - - - - 10 mA @ 12 V dc - - - - - - Through Hole
RS Stock No. 173-8580
Mfr. Part No.76-9420/439088R
BrandITW
TWD546.00
Each (In a Box of 30)
units
- SPDT-NO/NC Panel Mount No 20 (Dia.)mm 20mm 10.1 A @ 250 V ac - - IP67 Red 125/250V ac Plunger Solder, Tab
RS Stock No. 163-9177
Mfr. Part No.AV1610P112R04
TWD311.20
Each (In a Tray of 100)
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 19.2 (Dia.)mm 16mm 2 A White - IP67 Silver 36V dc Round Wire Lug
RS Stock No. 879-8128
Mfr. Part No.110-P
TWD256.00
Each
units
Latching Single Pole Single Throw (SPST) Panel Mount No 12.7 (Dia.)mm 12.7mm 6 A - - - Silver 250V ac Round Solder Lug
RS Stock No. 762-5940
Mfr. Part No.CFPB-1CC-1W9
TWD87.00
Each
units
Momentary Single Pole Single Throw (SPST) PCB - - - 5 mA @ 5 V dc - - - White - - PC Terminal
RS Stock No. 762-5805
Mfr. Part No.TM2-21-L2
TWD32.00
Each
units
Momentary Single Pole Single Throw (SPST) PCB Yes - - 50 mA@ 48 V dc Red - - - - - PC Terminal
RS Stock No. 222-342
Mfr. Part No.TM1-01
TWD19.00
Each
units
Off-(On) Single Pole Single Throw (SPST) - - - - 50 mA @ 48 V dc - - - - - - Through Hole
RS Stock No. 762-5817
Mfr. Part No.TM2-21-L6
TWD114.00
Each
units
Momentary Single Pole Single Throw (SPST) PCB Yes - - 50 mA@ 48 V dc Blue - - - - - PC Terminal
RS Stock No. 811-4135
Mfr. Part No.82-6551.1134
BrandEAO
TWD615.00
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 22 (Dia.)mm 22mm 1 A @ 24 V dc Green - IP65, IP67 Natural Aluminium 24V Round Soldering / QC
RS Stock No. 163-9191
Mfr. Part No.AV1910P312Q04
TWD408.10
Each (In a Tray of 100)
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A Red - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 913-8870
Mfr. Part No.MPBS-42H01-F14
TWD17.20
Each (In a Bag of 5)
units
Momentary Double Pole Double Throw (DPDT) PCB No - - 1 A - - - Silver - Rectangular Pc Pin
RS Stock No. 846-6726
BrandRS PRO
TWD126.00
Each
units
Latching Single Pole Double Throw (SPDT) PCB No 12.2 (Dia.)mm 12.2mm 2 A, 4 A - - - Silver - Cylinder Solder Lug
RS Stock No. 758-2105
Mfr. Part No.SPUN191000
TWD25.50
Each (In a Box of 4)
units
Momentary Double Pole Double Throw (DPDT) PCB No - - 100 mA @ 30 V dc - - - - 30V dc - Through Hole
RS Stock No. 123-6100
Mfr. Part No.AV1910P312Q04
TWD524.00
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A Red - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 123-6093
Mfr. Part No.AV1921E124Q04
TWD553.00
Each
units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A White - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 103-5732
Mfr. Part No.8632A
BrandAPEM
TWD200.00
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. 373-1612
Mfr. Part No.IBR3SAD2
BrandAPEM
TWD226.00
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount No 13.6 (Dia.)mm 13.6mm 400 mA @ 32 V ac - - IP67 Black 32V ac Dome Solder