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 173-8588
製造零件編號57M-210N
BrandITW
HK$108.155
個 (以毎盒:50)
單位
Latching Single Pole Single Throw (SPST) Panel Mount 16.1 (Dia.)mm - 16mm 250 mA @ 12 V dc - - - No Silver - Round
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 22 (Dia.)mm - 22mm 1 A @ 24 V dc - - 12V Yes Natural Aluminium Red Round
RS庫存編號 872-2843
製造零件編號704.632.1
BrandEAO
HK$36.556
/個 (每包:5個)
單位
Latching - Panel Mount 30.5 (Dia.)mm - 30.5mm - - - - Yes - - Round
RS庫存編號 339-443
製造零件編號ZNE18 FA200 BK OG 2U EE L
BrandC & K
HK$122.63
單位
Latching Double Pole Double Throw (DPDT) Panel Mount 14 (Dia.)mm - 14mm 4 A @ 250 V ac - - 250V ac - Orange - Round
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 - - - 16 A @ 250 V ac - - 250V ac No Silver - Rectangular
RS庫存編號 179-0906
製造零件編號AV191003C900
BrandAPEM
HK$118.63
單位
Momentary 1-pole on-off switch Panel Mount, Screw Mount 22.2 (Dia.)mm - 19.2mm 2 A @ 48 V dc - - 24/48V dc No Silver - Round
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 - - - 3 A @ 250 V ac - - - No Gold - Cylinder
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 20 (Dia.)mm - 20mm 10.1 A @ 250 V ac - - 125/250V ac No Black - Plunger
RS庫存編號 702-7096
製造零件編號48M 112R
BrandITW
HK$148.98
單位
Momentary Single Pole Single Throw (SPST) Panel Mount 17.98 (Dia.)mm - 17.98mm 250 mA @ 12 V dc - - - Yes Silver Red Round
RS庫存編號 173-8613
製造零件編號76-9440/439088B
BrandITW
HK$166.316
個 (以毎盒:30)
單位
Momentary Single Pole Double Throw (SPDT) Panel Mount 22.5 (Dia.)mm - 22.5mm 10.1 A @ 250 V ac - - - No Black - -
RS庫存編號 811-8443
BrandRS PRO
HK$90.18
單位
Momentary Single Pole Double Throw (SPDT) Panel Mount 16 (Dia.)mm - 16mm 3 A @ 250 V ac 250V - 250V ac Yes Silver Green Flat
RS庫存編號 278-1133
製造零件編號AV1630C910
BrandAPEM
HK$162.10
單位
Momentary Single Pole Single Throw (SPST) Panel Mount 16.2 (Dia.)mm - 16.2mm 200 mA @ 48 V dc - 48V 24/48V dc No Silver - Round
RS庫存編號 907-0196
製造零件編號1247.2102
BrandMarquardt
HK$57.73
單位
- Double Pole Double Throw (DPDT) Panel Mount - - - 10 A 127V - 127V ac No White - Dome
RS庫存編號 762-5814
製造零件編號TM2-21-L5
HK$8.10
單位
Momentary Single Pole Single Throw (SPST) PCB - - - 50 mA@ 48 V dc - - - Yes - Green -
RS庫存編號 614-6332
製造零件編號9633NCDB
BrandAPEM
HK$43.09
單位
Momentary Single Pole Single Throw (SPST) Panel Mount 6.5 (Dia.)mm - 6.5mm 100 mA @ 30 V dc - - 30V dc No Black - Cylinder
RS庫存編號 690-6982
製造零件編號19-471.035
BrandEAO
HK$88.43
單位
Latching Single Pole Single Throw (SPST) Panel Mount 8 (Dia.)mm - 8mm 100 mA @ 42 V - - - Yes Black - -
RS庫存編號 248-5239
製造零件編號31-425.036
BrandEAO
HK$108.94
單位
Momentary Single Pole Single Throw (SPST) PCB 16 (Dia.)mm - 16mm 100 mA @ 42 V - - - Yes - - Rectangular
RS庫存編號 528-7814
製造零件編號SP6022C100000
BrandMolveno
HK$22.43
單位
Latching Double Pole Double Throw (DPDT) Panel Mount 25 (Dia.)mm - 25mm 16 A @ 250 V ac - - - - Green - Round
RS庫存編號 846-6736
BrandRS PRO
HK$57.24
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 Silver - Cylinder
RS庫存編號 173-9655
製造零件編號1241.6834.1122000
BrandSchurter
HK$393.277
個 (以毎盒:10)
單位
Latching Double Pole Double Throw (DPDT) Panel Mount 22 (Dia.)mm - 22mm 12 A @ 250 V ac - - 125/250V ac Yes Natural Green Round