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. 165-0854
Mfr. Part No.1825100-4
HK$162.89
Each (In a Bag of 25)
units
Momentary Single Pole Single Throw (SPST) PCB No - - 400 mA @ 20 V - - - Black 125V ac Cylinder Through Hole
RS Stock No. 718-2225
Mfr. Part No.1825100-4
HK$167.58
Each
units
Momentary Single Pole Single Throw (SPST) PCB No - - 400 mA @ 20 V - - - Black - Cylinder Through Hole
RS Stock No. 875-0422
Mfr. Part No.TPF11CGPC004
HK$33,385.00
1 Pack of 250
Pack(s)
Momentary Single Pole Single Throw (SPST) Through Hole No 6.4 (Dia.)mm 6.4mm - - - - Black 20 V dc, 125 V ac Round PCB
RS Stock No. 136-2019
Mfr. Part No.1393683-2
HK$140.809
Each (In a Box of 480)
units
Momentary Double Pole Double Throw (DPDT) PCB No - - - - - - Black - Cylinder Through Hole
RS Stock No. 783-1094
Mfr. Part No.164EL11
HK$196.20
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount No 6.35 (Dia.)mm 6.35mm 5 A @ 250 V ac - - IP40 - - Round -
RS Stock No. 718-2203
Mfr. Part No.1393683-2
HK$207.44
Each
units
Momentary Double Pole Double Throw (DPDT) PCB No - - - - - - Black - Cylinder Through Hole
RS Stock No. 756-7178
Mfr. Part No.1977740-1
HK$108.80
Each
units
Latching Single Pole Double Throw (SPDT) PCB No 5.9 (Dia.)mm 5.9mm 3 A @ 125 V ac - - - Black/Green/Red - - PCB
RS Stock No. 163-9263
Mfr. Part No.AV2211E712Q04
HK$116.487
Each (In a Bag of 100)
units
Latching Single Pole Double Throw (SPDT) Panel Mount Yes - 22.2mm 3 A Blue - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 163-9184
Mfr. Part No.AV1910E124Q04
HK$105.82
Each (In a Tray of 100)
units
Momentary 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. 163-9264
Mfr. Part No.AV2211E724Q04
HK$116.487
Each (In a Bag of 100)
units
Latching Single Pole Double Throw (SPDT) Panel Mount Yes - 22.2mm 3 A Blue - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 756-7184
Mfr. Part No.1977740-4
HK$173.61
Each
units
Momentary Double Pole Double Throw (DPDT) PCB No 5.9 (Dia.)mm 5.9mm 3 A @ 125 V ac - - - Black/Green/Red - - PCB
RS Stock No. 163-9185
Mfr. Part No.AV1910E312Q04
HK$100.25
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. 163-9273
Mfr. Part No.AV2221000Q04
HK$105.66
Each (In a Bag of 100)
units
Latching Double Pole Double Throw (DPDT) Panel Mount No - 22.2mm 3 A - - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 783-1075
Mfr. Part No.MPG206R
HK$137.43
Each
units
Momentary Double Pole Double Throw (DPDT) Panel Mount No 6.35 (Dia.)mm 6.35mm 6 A @ 120 V ac - - - - 250V ac Plunger Wire Lug
RS Stock No. 123-6265
Mfr. Part No.AV2220E124Q04
HK$152.92
Each
units
Momentary Double Pole Double Throw (DPDT) Panel Mount Yes - 22.2mm 3 A White - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 163-9196
Mfr. Part No.AV1910R612Q04
HK$100.25
Each (In a Tray of 100)
units
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A Green - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 123-6091
Mfr. Part No.AV1920E624Q04
HK$135.07
Each
units
Momentary Double Pole Double Throw (DPDT) Panel Mount Yes 19.2 (Dia.)mm 19.2mm 3 A Green - IP67 Silver 250V ac Round Wire Lug
RS Stock No. 783-0283
Mfr. Part No.MSP103C04
HK$39.53
Each
units
Momentary Single Pole Single Throw (SPST) Panel Mount No - - 3 A @ 125 V ac - - - Red - - Wire Lug
RS Stock No. 165-0851
Mfr. Part No.1825096-1
HK$33.754
Each (In a Bag of 25)
units
Momentary Single Pole Single Throw (SPST) PCB No - - 400 mA @ 20 V - - - Black 125V ac - Through Hole
RS Stock No. 783-1078
Mfr. Part No.MPE106F
HK$119.31
Each
units
Momentary Single Pole Double Throw (SPDT) Panel Mount No 6.35 (Dia.)mm 6.35mm 6 A @ 120 V ac - - - - - - Wire Lug