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 Panel Cut Out Size Panel Cut Out Height Panel Cut Out Diameter Contact Current Rating Contact AC Voltage Rating Contact DC Voltage Rating Voltage Rating Illuminated Actuator Colour LED Colour Actuator Shape
RS庫存編號 846-6745
BrandRS PRO
HK$44.60
單位
Latching 3P CO PCB 12.2 (Dia.)mm - 12.2mm 2 A, 4 A 125 V, 250 V 12 V, 24 V - No - - Cylinder
RS庫存編號 319-449
製造零件編號SP6018C1E0000
BrandMolveno
HK$57.34
單位
Latching 2-pole on-off switch Panel Mount 25 (Dia.)mm - 25mm 16 A @ 250 V ac - - - Yes Black Green Plunger
RS庫存編號 693-2253
製造零件編號A9PFA1Y2EJ2
BrandAPEM
HK$219.86
單位
Momentary Double Pole Double Throw (DPDT) Panel Mount - - 30mm 6 A @ 250 V ac - - - Yes Silver Green Round
RS庫存編號 762-5558
製造零件編號LP2S-16S-229-Z
HK$50.40
單位
Momentary Single Pole Double Throw (SPDT) Panel Mount 16.2 x 16.2mm 16.2mm - 3 A @ 125/250 V ac, 3 A @ 30 V dc - - - Yes Red Red -
RS庫存編號 223-200
製造零件編號LP1S-16S-559-Z
HK$53.49
單位
Momentary Single Pole Double Throw (SPDT) PCB - - - 3 A @ 125/250 V ac, 3 A @ 30 V dc - - - Yes - Green -
RS庫存編號 174-4234
製造零件編號8121J85ZGE223
BrandC & K
HK$70.51
單位
Momentary Single Pole Double Throw (SPDT) Panel Mount 15.24 x 12.70mm - - 1 A @ 28 V dc - - - Yes Black Red Square
RS庫存編號 338-945
製造零件編號TH400100601
HK$183.65
單位
Momentary NO/NC Panel Mount 16.2mm - 16.2mm 5 A@ 250 V ac - - - Yes Grey - Rectangular
RS庫存編號 173-9334
製造零件編號TH400100601
HK$122.869
個 (以毎袋:50)
單位
Momentary Single Pole Double Throw (SPDT) Panel Mount 16.2 (Dia.)mm - 16.2mm 5 A @ 250 V ac - - 250V ac Yes Grey - Rectangular
RS庫存編號 319-433
製造零件編號SP6018C1G0000
BrandMolveno
HK$66.96
單位
Latching 2-pole on-off switch Panel Mount 25 (Dia.)mm - 25mm 16 A @ 250 V ac - - - Yes Black Red Plunger
RS庫存編號 103-5748
製造零件編號8636A
BrandAPEM
HK$55.92
單位
Latching Single Pole Double Throw (SPDT) Panel Mount 6.5 (Dia.)mm - 6.5mm 4 A@ 30 V dc 125V 30V 250V ac No Silver - Round
RS庫存編號 708-2917
製造零件編號1241.7036.1121074
BrandSchurter
HK$311.57
單位
Momentary Single Pole Double Throw (SPDT) Panel Mount 22 (Dia.)mm - 22mm 3 A @ 250 V ac - - 250V ac Yes Silver Red Flat
RS庫存編號 103-5732
製造零件編號8632A
BrandAPEM
HK$76.09
單位
Momentary Single Pole Double Throw (SPDT) Panel Mount 6.5 (Dia.)mm - 6.5mm 4 A@ 30 V dc 125V 30V 250V ac No Silver - Round
RS庫存編號 350-800
製造零件編號513015-601
HK$134.12
單位
Latching - Panel Mount - - - - - - - - - - -
RS庫存編號 690-6709
製造零件編號14-131.0252 + 704.600.1
BrandEAO
HK$202.43
單位
Momentary Single Pole Double Throw (SPDT) Panel Mount 22.5 (Dia.)mm - 22.5mm 2 A @ 24 V dc - - 250V ac Yes - - Round
RS庫存編號 134-2513
製造零件編號MPG206R
HK$97.80
單位
Momentary Double Pole Double Throw (DPDT) Panel Mount 12.5 (Dia.)mm - 12.5mm 4 A @ 30 V dc - - - No Chrome - Plunger
RS庫存編號 691-9562
製造零件編號PBAR2AF9000L0W
BrandAPEM
HK$425.70
單位
Momentary Single Pole Single Throw (SPST) Central Fixing With Metal Lock Nut 16.2 (Dia.)mm - 16.2mm 200 mA @ 24 V dc - - 24V ac Yes - White Flat
RS庫存編號 914-4430
製造零件編號P8-V000017
BrandOtto
HK$375.62
單位
Momentary Single Pole Double Throw (SPDT) Threaded - - - 10 A @ 115 V ac, 10 A @ 28 V dc 115V 28V 28 V dc, 115 V ac No Silver - Round
RS庫存編號 173-8521
製造零件編號76-9410/439088R
BrandITW
HK$126.978
個 (以毎盒:30)
單位
- SPDT-NO/NC Panel Mount 20 (Dia.)mm - 20mm 10.1 A @ 250 V ac - - - No Red - Plunger
RS庫存編號 320-815
製造零件編號76-9410/439088R
BrandITW
HK$141.71
單位
- SPDT-NO/NC Panel Mount - - - 10.1 A @ 250 V ac - - - Yes Red - -
RS庫存編號 173-9304
製造零件編號513015-601
HK$88.513
個 (以毎袋:100)
單位
Latching 1NO/1NC Panel Mount 16.2 (Dia.)mm - 16.2mm - - - 250V ac No - - Square