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 354-3342
製造零件編號AB-15AH
HK$36.38
單位
Momentary Single Pole Double Throw (SPDT) PCB - - - 0.4 VA @ 28 V ac/dc - - - - - - Through Hole
RS庫存編號 181-7039
製造零件編號HB16CKW01
HK$62.72
單位
On-On Single Pole Double Throw (SPDT) Front Panel - 8 (Dia.)mm 8mm 100 mA - - - - - Round Solder Lug
RS庫存編號 181-7162
製造零件編號M2B15AA5W13
HK$41.93
單位
On-(On) Single Pole Double Throw (SPDT) Through Hole No - - 1 A - - - - 30 V dc, 125 V ac Cap PC Pin
RS庫存編號 125-1679
製造零件編號UB15SKW035C
HK$65.72
單位
Momentary Single Pole Double Throw (SPDT) PCB Yes - - 5 A Red - - Clear 30 V dc, 125 V ac, 250 V ac Square PC Pin
RS庫存編號 181-7057
製造零件編號UB15KKW015F
HK$63.15
單位
On-(On) Single Pole Double Throw (SPDT) Snap-In Yes 16.2 x 16.2mm - 5 A Green - - - - Square Solder Lug
RS庫存編號 181-7040
製造零件編號HB215SKG03CE
HK$49.89
單位
Off-(On) Single Pole Single Throw (SPST) Through Hole Yes 8 (Dia.)mm 8mm 0.4 VA Red/Yellow - - - - Cap PC Pin
RS庫存編號 181-7163
製造零件編號M2B15BA5W13
HK$41.93
單位
On-(On) Single Pole Double Throw (SPDT) Through Hole No - - 1 A - - - - 30 V dc, 125 V ac Cap PC Pin
RS庫存編號 125-1680
製造零件編號UB15SKW03N
HK$46.60
單位
Momentary Single Pole Double Throw (SPDT) PCB No - - 5 A - - - - 30 V dc, 125 V ac, 250 V ac Square PC Pin
RS庫存編號 428-8355
製造零件編號HB-15CKS2-5WANS
HK$147.80
單位
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 8 (Dia.)mm 8mm 100 mA @ 30 V ac/dc White - - Transparent - - Solder
RS庫存編號 125-1676
製造零件編號UB15KKW01N
HK$51.77
單位
Momentary Single Pole Double Throw (SPDT) Snap-In No 16.2 x 16.2mm - 5 A - - - - 30 V dc, 125 V ac, 250 V ac Square Solder Lug
RS庫存編號 181-7058
製造零件編號UB15NBKG015F
HK$84.66
單位
On-(On) Single Pole Double Throw (SPDT) Snap-In Yes 22.4 x 16.2mm - 0.4 VA Green - - - - Rectangular Solder Lug
RS庫存編號 181-7041
製造零件編號HB215SKG03CE-JB
HK$269.95
毎包:5 個
Bag(s)
Off-(On) Single Pole Single Throw (SPST) Through Hole Yes 8 (Dia.)mm 8mm 0.4VA Red/Yellow - - Clear Lens/White Diffuser (Cap) - Square PC Pin
RS庫存編號 181-7064
製造零件編號UB16SKW035C
HK$74.36
單位
On-On Single Pole Double Throw (SPDT) Through Hole Yes - - 5 A Red - - - - Square PC Pin
RS庫存編號 125-1697
製造零件編號EB2011G
HK$36.45
單位
Momentary Single Pole Double Throw (SPDT) Bushing No 6.35 (Dia.)mm 6.35mm 100 mA - - - - 28V ac/dc Round Solder Lug
RS庫存編號 181-7164
製造零件編號M2B15BA5G30
HK$48.18
單位
On-(On) Single Pole Double Throw (SPDT) Through Hole No - - 0.4 VA - - - - 28V ac/dc Cap PC Pin
RS庫存編號 125-1690
製造零件編號UB215KKW01N
HK$51.77
單位
Momentary Single Pole Double Throw (SPDT) Snap-In No 17.4 x 17.4mm - 5 A - - - - 30 V dc, 125 V ac, 250 V ac Square Solder Lug
RS庫存編號 181-7169
製造零件編號MB2011SS4W03
HK$64.06
單位
On-(On) Single Pole Double Throw (SPDT) Panel Mount No - 6.5mm 6 A - - - - - Round PC Pin
RS庫存編號 428-8361
製造零件編號HB-15SKS2-4MFMS
HK$89.69
單位
Momentary Single Pole Double Throw (SPDT) Panel Mount Yes 8 (Dia.)mm 8mm 100 mA @ 30 V ac/dc Green - - Green - - Solder
RS庫存編號 181-7059
製造零件編號UB15RKW035F
HK$69.98
單位
On-(On) Single Pole Double Throw (SPDT) Through Hole Yes - - 5 A Green - - - - Rectangular PC Pin
RS庫存編號 354-3421
製造零件編號BB-15AP
HK$32.00
單位
Momentary Single Pole Double Throw (SPDT) PCB - - - 0.4 VA @ 28 V ac/dc - - - - - - Through Hole