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. 198-551
Mfr. Part No.A3CJ7011
BrandOmron
PHP979.65
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 12 (Dia.)mm 12mm 500 mA @ 250 V ac - - IP40 - 250V ac Rectangular Solder
RS Stock No. 198-589
Mfr. Part No.A3CT7021
BrandOmron
PHP922.39
Each
units
Latching Single Pole Single Throw (SPST) Panel Mount Yes 12 (Dia.)mm 12mm 500 mA @ 250 V ac - - IP40 - 250V ac Round Solder
RS Stock No. 340-8722
Mfr. Part No.A165EM02
BrandOmron
PHP2,857.66
Each
units
Latching Double Pole Double Throw (DPDT) - No - - 5 A @ 125 V ac - - - Red - Mushroom Tab
RS Stock No. 198-567
Mfr. Part No.A3CJ7021
BrandOmron
PHP979.65
Each
units
Latching Single Pole Single Throw (SPST) Panel Mount Yes 12 (Dia.)mm 12mm 500 mA @ 250 V ac - - IP40 - 250V ac Rectangular Solder
RS Stock No. 366-4067
Mfr. Part No.A3DA7121
BrandOmron
PHP644.18
Each
units
Latching Single Pole Single Throw (SPST) Panel Mount Yes 8 (Dia.)mm 8mm 100 mA @ 30 V dc - - - - - Square Solder
RS Stock No. 712-7985
Mfr. Part No.A9P130033
BrandOmron
PHP267.48
Each
units
Momentary Single Pole Double Throw (SPDT) PCB No - - 50 mA @ 60 V - - IP64 Red - Cylinder Through Hole
RS Stock No. 366-4124
Mfr. Part No.A3DJ7111
BrandOmron
PHP410.92
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 8 (Dia.)mm 8mm 100 mA @ 30 V dc - - - - - Square Solder
RS Stock No. 198-573
Mfr. Part No.A3CT7011
BrandOmron
PHP902.21
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 12 (Dia.)mm 12mm 500 mA @ 250 V ac - - IP40 - 250V ac Round Solder
RS Stock No. 366-4051
Mfr. Part No.A3DA7111
BrandOmron
PHP500.30
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 8 (Dia.)mm 8mm 100 mA @ 30 V dc - - - - - Square Solder
RS Stock No. 366-4130
Mfr. Part No.A3DJ7121
BrandOmron
PHP568.80
Each
units
Latching Single Pole Single Throw (SPST) Panel Mount Yes 8 (Dia.)mm 8mm 100 mA @ 30 V dc - - - - - Square Solder
RS Stock No. 366-4219
Mfr. Part No.A3DT7121
BrandOmron
PHP571.89
Each
units
Latching Single Pole Single Throw (SPST) Panel Mount Yes 8 (Dia.)mm 8mm 100 mA @ 30 V dc - - - - - Square Solder
RS Stock No. 366-4203
Mfr. Part No.A3DT7111
BrandOmron
PHP520.80
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 8 (Dia.)mm 8mm 100 mA @ 30 V dc - - - - - Square Solder