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庫存編號 734-6827
BrandRS PRO
HK$26.50
單位
Momentary 1-pole on-off switch Panel Mount No 8 (Dia.)mm 8mm 100 mA @ 30 V dc - - - Black 120/250V ac Cylinder Solder
RS庫存編號 319-354
製造零件編號SP6017C100000
BrandMolveno
HK$32.32
單位
Momentary Double Pole Double Throw (DPDT) Panel Mount - 25 (Dia.)mm 25mm 16 A @ 250 V ac - - - Red - Round Tab
RS庫存編號 912-0342
製造零件編號AV09C703D940KX2542-2
BrandApem
HK$272.15
單位
Momentary Single Pole Single Throw (SPST) Panel Mount No 19.2 (Dia.)mm 19.2mm 50 mA - - IP65 Silver 24V dc Flat Screw
RS庫存編號 248-8935
製造零件編號59-511
BrandITW
HK$71.23
單位
Momentary Single Pole Single Throw (SPST) Panel Mount - 13.6 (Dia.)mm 13.6mm 400 mA @ 32 V ac - - - Black - Dome Solder
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 No - - 10 A @ 115 V ac, 10 A @ 28 V dc - - IP64, IP68S, IP69K Silver 28 V dc, 115 V ac Round Solder
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 No 20 (Dia.)mm 20mm 10.1 A @ 250 V ac - - IP67 Red - Plunger Solder, Tab
RS庫存編號 173-8575
製造零件編號48M 112R
BrandITW
HK$134.10
個 (以毎盒:50)
單位
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 19.25 (Dia.)mm 19.25mm 250 mA @ 12 V dc Red - IP67 Silver - Flat Solder
RS庫存編號 690-6718
製造零件編號14-271.0252 + 704.600.1
BrandEAO
HK$237.82
單位
Latching Single Pole Double Throw (SPDT) Panel Mount Yes 22.5 (Dia.)mm 22.5mm 2 A @ 24 V dc - - IP67 Silver 250V ac Round Solder
RS庫存編號 811-4104
製造零件編號82-6551.1113
BrandEAO
HK$154.53
單位
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 22 (Dia.)mm 22mm 1 A @ 24 V dc Red - IP65, IP67 Natural Aluminium 12V Round Soldering / QC
RS庫存編號 811-3993
製造零件編號82-4551.1000
BrandEAO
HK$85.68
單位
Momentary Single Pole Double Throw (SPDT) Panel Mount No 16 (Dia.)mm 16mm 1 A @ 24 V dc - - IP65, IP67 Natural Aluminium 250V ac Flat Soldering / QC
RS庫存編號 872-2843
製造零件編號704.632.1
BrandEAO
HK$36.37
/個 (每包:5個)
單位
Latching - Panel Mount Yes 30.5 (Dia.)mm 30.5mm - - - IP65 - - Round Screw
RS庫存編號 199-434
製造零件編號56140203002505005/561491
BrandEAO
HK$1,226.02
單位
Momentary Single Pole Single Throw (SPST) Panel Mount Yes 62.5 (Dia.)mm - 200 mA @ 137 V Yellow - IP67 (Front); IP65 (Rear) Silver - Round -
RS庫存編號 320-821
製造零件編號76-9410/439088B
BrandITW
HK$196.39
單位
- SPDT-NO/NC Panel Mount Yes - - 10.1 A @ 250 V ac - - - Black - - Solder, Tab
RS庫存編號 533-3030
製造零件編號H8350ABAAD
HK$16.42
單位
Latching Double Pole Double Throw (DPDT) Panel Mount No - - 16 A @ 250 V ac - - IP65 Silver 250V ac Rectangular Tab
RS庫存編號 250-7907
製造零件編號H8350ABAAAT
HK$27.57
單位
Latching Double Pole Double Throw (DPDT) Panel Mount No 12.9 x 19.1mm - 16 A @ 250 V ac - - - Black 250V ac Rectangular Tab
RS庫存編號 253-958
製造零件編號8N1021-Z
BrandHoneywell
HK$131.45
單位
Momentary Single Pole Double Throw (SPDT) Panel Mount No - - 3 A @ 250 V ac - - - Gold - Cylinder Solder
RS庫存編號 173-8584
製造零件編號76-9410/439088B
BrandITW
HK$141.552
個 (以毎盒:30)
單位
- SPDT-NO/NC Panel Mount No 20 (Dia.)mm 20mm 10.1 A @ 250 V ac - - IP67 Black 125/250V ac Plunger Solder, Tab
RS庫存編號 787-4757
製造零件編號51-156.0255
BrandEAO
HK$163.94
單位
Momentary Double Pole Double Throw (DPDT) Panel Mount No 16 (Dia.)mm 16mm 5 A @ 250 V ac - - IP65 Green 250V ac Cap Solder Lug
RS庫存編號 174-6381
製造零件編號AV021003C900
BrandAPEM
HK$96.03
單位
Momentary Single Pole Single Throw (SPST) Panel Mount, Screw Mount No 22.2 (Dia.)mm 22.2mm 2 A @ 48 V dc - - - Silver 24/48V dc Round Screw
RS庫存編號 103-5776
製造零件編號8646A
BrandAPEM
HK$61.46
單位
Latching Double Pole Double Throw (DPDT) Panel Mount No 6.5 (Dia.)mm 6.5mm 4 A@ 30 V dc - - - - 250V ac Cylinder Solder