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. 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. 173-8580
Mfr. Part No.76-9420/439088R
BrandITW
TWD457.20
Each (In a Box of 30)
units
Momentary Single Pole Double Throw (SPDT) Panel Mount No 22 (Dia.)mm 22mm 10 A @ 250 V ac Clear 76-94 IP67 Red 250V ac Round Solder
RS Stock No. 426-461
Mfr. Part No.1241.6631.1180000
BrandSchurter
TWD616.00
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. 222-342
Mfr. Part No.TM1-01
TWD45.00
Each
units
Off-(On) Single Pole Single Throw (SPST) - - - - 50 mA @ 48 V dc - - - - - - Through Hole
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. 163-9215
Mfr. Part No.AV1911R124Q04
TWD454.00
Each (In a Tray of 100)
units
Latching Single Pole Single Throw (SPST) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A White - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 762-5940
Mfr. Part No.CFPB-1CC-1W9
TWD100.00
Each
units
Momentary Single Pole Single Throw (SPST) PCB - - - 5 mA @ 5 V dc - - - White - - PC Terminal
RS Stock No. 111-5803
BrandRS PRO
TWD508.00
Each
units
Latching Double Pole Double Throw (DPDT) Panel Mount Yes 19 (Dia.)mm 19mm 5 A Blue - IP67 Silver 250V ac Round Solder Pin
RS Stock No. 811-4135
Mfr. Part No.82-6551.1134
BrandEAO
TWD727.00
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. 163-9177
Mfr. Part No.AV1610P112R04
TWD322.20
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. 762-5482
Mfr. Part No.FP1F-4M-Z
TWD96.00
Each
units
Momentary Single Pole Double Throw (SPDT) PCB - - - 0.4 VA @ 28 V dc - - - - - - Vertical PC Terminal
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. 320-629
Mfr. Part No.T0916SOAAE
TWD169.00
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount - 7.1 (Dia.)mm 7.1mm 500 mA @ 250 V ac - - - Black 250V ac Round Solder Tab
RS Stock No. 435-5679
Mfr. Part No.3251-20-01/67
BrandEICHOFF
TWD769.00
Each
units
Latching 2-pole on-off switch Panel Mount No 21.7 x 45.2mm - 16 A @ 230 V ac - - IP65 Silver - Rectangular -
RS Stock No. 163-9233
Mfr. Part No.AV1921E124Q04
TWD453.00
Each (In a Tray of 100)
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. 123-6071
Mfr. Part No.AV1911R124Q04
TWD544.00
Each
units
Latching Single Pole Single Throw (SPST) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A White - IP67 Silver 250V ac Round Wire Lug
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. 691-1509
Mfr. Part No.IRC3S432
BrandAPEM
TWD577.00
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount No 16mm 14.8mm 200 mA @ 48 V dc - - IP67 Green 250V ac Square Solder
RS Stock No. 913-8870
Mfr. Part No.MPBS-42H01-F14
TWD31.60
Each (In a Bag of 5)
units
Momentary Double Pole Double Throw (DPDT) PCB No - - 1 A - - - Silver - Rectangular Pc Pin
RS Stock No. 879-8128
Mfr. Part No.110-P
TWD316.00
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