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. 133-6502
Mfr. Part No.MSP121CSW
$8.28
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. 702-3570
Mfr. Part No.DPWL1CGKG
$9.18
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 12.9 (Dia.)mm 12.9mm 400 mA @ 32 V ac Green - IP67 Black - Dome Solder
RS Stock No. 913-8858
Mfr. Part No.MPS 103 F
$12.60
Each
units
Momentary Single Pole Double Throw (SPDT) Bushing No - - 3 A - - - Black 125V ac Round Solder Tag
RS Stock No. 913-8889
Mfr. Part No.MPBS-42H01-LF-14
$1.368
Each (In a Bag of 5)
units
Latching Double Pole Double Throw (DPDT) PCB No - - 1 A - - - Silver - Rectangular Pc Pin
RS Stock No. 133-6473
Mfr. Part No.MSP101C
$5.38
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. 702-3583
Mfr. Part No.DPWL1CGRR
$9.23
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 12.9 (Dia.)mm 12.9mm 400 mA @ 32 V ac Red - IP67 Red - Dome Solder
RS Stock No. 913-8895
Mfr. Part No.MPSA-22E08-0150
$1.126
Each (In a Bag of 5)
units
Momentary Double Pole Double Throw (DPDT) PCB No - - 100 mA - - - Black - Square Pc Pin
RS Stock No. 913-8927
Mfr. Part No.TSSL 3 W RG
$3.29
Each
units
Momentary Single Pole Single Throw (SPST) Surface Mount Yes - - 50 mA Green, Red - - Silver 12V dc Rectangular Pc Pin
RS Stock No. 134-2490
Mfr. Part No.MPG106F
$27.73
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount No 12.5 (Dia.)mm 12.5mm 4 A @ 30 V dc - - - Silver - Round Solder
RS Stock No. 702-3599
Mfr. Part No.DPW1CGK
$9.49
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount No 12.9 (Dia.)mm 12.9mm 400 mA @ 32 V ac - - IP67 Black - Dome Solder
RS Stock No. 702-3460
Mfr. Part No.MPE206R
$12.54
Each
units
Momentary Double Pole Double Throw (DPDT) Panel Mount No 5.6 (Dia.)mm 5.6mm 3 A @ 250 V ac - - IP67 Silver 125/250V ac Cylinder Solder
RS Stock No. 913-8867
Mfr. Part No.MPS 203 R
$20.07
Each
units
Momentary Double Pole Double Throw (DPDT) Bushing No - - 3 A - - - Black 125V ac Round Solder Tag
RS Stock No. 134-2585
Mfr. Part No.MPA106F
$24.28
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount No 6.2 (Dia.)mm 6.4mm 3 A @ 250 V ac - - - Silver - Cylinder Solder
RS Stock No. 702-3577
Mfr. Part No.DPWL 1CGKR
$7.18
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 12.9 (Dia.)mm 12.9mm 400 mA @ 32 V ac Red - IP67 Black - Dome Solder
RS Stock No. 702-3592
Mfr. Part No.DPW1CGR
$9.42
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount No 12.9 (Dia.)mm 12.9mm 400 mA @ 32 V ac - - IP67 Red - Dome Solder
RS Stock No. 199-0847
Mfr. Part No.MPA106D
$21.41
Each
units
Latching Single Pole Double Throw (SPDT) Panel Mount No 6.2 (Dia.)mm 6.2mm 3 A @ 250 V ac - - - - 125/250V ac - Solder
RS Stock No. 702-3574
Mfr. Part No.DPWL1CGKY
$7.21
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 12.9 (Dia.)mm 12.9mm 400 mA @ 32 V ac Yellow - IP67 Black - Dome Solder
RS Stock No. 913-8882
Mfr. Part No.MPBS-62H01-F14
$1.606
Each (In a Bag of 5)
units
Momentary Six Pole Double Throw (6PDT) PCB No - - 1 A - - - Silver - Rectangular PCB
RS Stock No. 702-3596
Mfr. Part No.DPW1CGG
$9.07
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount No 12.9 (Dia.)mm 12.9mm 400 mA @ 32 V ac - - IP67 Green - Dome Solder
RS Stock No. 134-2513
Mfr. Part No.MPG206R
$27.19
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