Toggle Switches

Toggle switches are among the most basic and most common of all electronic components, the switch moves contacts that either provide a path for current to flow through or moves those contacts in such a way that the path is cut. The toggle switches most people will be familiar with are light switches.

How Does a Toggle Switch Function?
Toggle switches may vary a bit in function from one to the next depending upon their configurations. However, the basics are the same.
When the actuator (the toggle itself) is moved, the armature in the switch moves the contact into position either energizing the circuit or de-energizing it. Once the switch is moved from one position to the other, it typically stays that way. There are also momentary switches, which energize or de-energize a circuit for as long as they are actuated and then go back to their normal state once the actuator is released. This is accomplished via a spring mechanism that exerts a force on the armature from the inside.

Contact Configuration of a Toggle Switch
  • A single pole single throw (SPST) switch is the simplest and most common type of toggle switch. These switches allow simple on and off operation for a single circuit. Most light switches are SPST switches.
  • Single pole double throw (SPDT) switches can be used to change where a voltage is directed. The double throw means that the switch can be used to energize two different circuits - one at a time - from a single source of energy.
  • Double pole single throw (DPST) switches allow an operation that is very similar to having two SPST switches hooked together in one device. The switch can turn two circuits on and off. These are very convenient when more than one device needs to be controlled with the same switch.
  • Double pole double throw (DPDT) switches allow two different circuits to be served by the same pole. These are used in applications where a circuit may need to have changing voltages applied to connected devices.

There are also switches with the designation CO, such as SPCO (single pole changeover) switches. These have an off position in the middle of the switch and can be used to energize or de-energize two different circuits attached to the device.

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Description Price Contact Configuration Switch Operation Contact Current Rating Mounting Type Terminal Type IP Rating Illuminated Panel Cut Out Width Panel Cut Out Height Panel Cut Out Diameter Actuator Length Actuator Material Voltage Rating Contact Resistance
RS庫存編號 317-083
製造零件編號FTN09G04
HK$111.15
單位
Double Pole Double Throw (DPDT) Latching 14 mA @ 28 V dc Panel Mount Through Hole - - - - 6.2mm 10.5mm Chrome Plated Brass - 20mΩ
RS庫存編號 448-0769
BrandRS PRO
HK$18.552
/個 (每包:5個)
單位
Double Pole Double Throw (DPDT) Latching 5 A @ 28 V dc Panel Mount Solder - - - - 6.35mm 10.41mm Brass - 10mΩ
RS庫存編號 910-8068
製造零件編號631H
BrandAPEM
HK$49.09
單位
Single Pole Double Throw (SPDT) Latching 15 A Panel Mount Screw - - - - 12.2mm 17.5mm Nickel Plated Brass 400V ac 10mΩ
RS庫存編號 164-8692
製造零件編號A4TP15W04
HK$523.48
個 (以毎盒:50)
單位
Four Pole Double Throw (4PDT) On-Off-On 20 A @ 250 V ac Panel Mount Solder, Tab IP67 - - - - 17.5mm Brass - 10mΩ
RS庫存編號 164-8691
製造零件編號A4TN15W04
HK$576.499
個 (以毎盒:50)
單位
Four Pole Double Throw (4PDT) Latching 20 A @ 250 V ac Panel Mount Solder, Tab IP67 - - - - 17.5mm Brass - 10mΩ
全新
RS庫存編號 187-3508
製造零件編號1MT1-2
BrandHoneywell
HK$141.58
單位
Single Pole Single Throw (SPST) Latching 5 A Panel Mount Solder IP67, IP68 - 11.43mm - 12.45mm 16.87mm - 28V dc -
全新
RS庫存編號 187-3509
製造零件編號1MT1-3
BrandHoneywell
HK$117.80
單位
Single Pole Double Throw (SPDT) Latching 5 A Panel Mount Solder IP67, IP68 - 11.43mm - 12.45mm 16.87mm - 28V dc -
RS庫存編號 165-0764
製造零件編號1-1825139-0
HK$21.916
個 (以毎袋:100)
單位
Double Pole Double Throw (DPDT) On-Off-On 5 A @ 28 V dc PCB Through Hole - - - - 6.35mm 10.41mm Phenolic - 10mΩ
RS庫存編號 354-2535
製造零件編號A-12AH
HK$35.66
單位
Single Pole Double Throw (SPDT) Latching 100 mA @ 28 V ac/dc PCB Through Hole - - - - - 10mm Brass - 50mΩ
RS庫存編號 879-8500
製造零件編號6FA54-73
HK$64.01
單位
Single Pole Single Throw (SPST) (On)-None-Off 15 A Panel Mount Screw - - - - 12.7mm 17.44mm - 250V ac -
RS庫存編號 762-4741
製造零件編號8A2102-Z
HK$54.45
單位
DP3T On-On-On 3 A @ 250 V ac, 6 A @ 125 V ac PCB Through Hole - - - - - 10.5mm - - 10mΩ
全新
RS庫存編號 187-3519
製造零件編號2MT1-2
BrandHoneywell
HK$172.72
單位
Double Pole Single Throw (DPST) Latching 5 A Panel Mount Solder IP67, IP68 - 11.43mm - 12.45mm 16.87mm - 28V dc -
全新
RS庫存編號 187-3510
製造零件編號1MT1-5
BrandHoneywell
HK$156.43
單位
Single Pole Double Throw (SPDT) Momentary 5 A Panel Mount Solder IP67, IP68 - 11.43mm - 12.45mm 16.87mm - 28V dc -
全新
RS庫存編號 187-3520
製造零件編號2MT1-3
BrandHoneywell
HK$161.78
單位
Double Pole Double Throw (DPDT) Latching 5 A Panel Mount Solder IP67, IP68 - 11.43mm - 12.45mm 16.87mm - 28V dc -
RS庫存編號 842-4700
製造零件編號2TL1-10
BrandHoneywell
HK$275.03
單位
Double Pole Double Throw (DPDT) On-On-On 6 A @ 230 V ac, 15 A @ 115 V ac, 20 A @ 28 V dc Panel Mount Screw - - - - - 17mm Metal, Plastic - -
RS庫存編號 762-5192
製造零件編號ATE2D-7M3-10-Z
HK$32.58
單位
Double Pole Double Throw (DPDT) Latching 50 mA@ 48 V ac/dc PCB Vertical Through Hole - - - - - 6mm - - 50mΩ
RS庫存編號 710-9971
製造零件編號2-1825138-2
HK$37.77
單位
Double Pole Double Throw (DPDT) Latching 400 mA @ 20 V PCB Through Hole - - - - 6.35mm 10.41mm Phenolic - 10mΩ
RS庫存編號 879-8534
製造零件編號6FC57-73/TABS
HK$58.90
單位
Single Pole Single Throw (SPST) On-Off-(On) 10 A Panel Mount Quick Connect Tabs - - - - 12.7mm 17.44mm - 250V ac -
RS庫存編號 692-5387
製造零件編號5232WCDB
BrandAPEM
HK$38.62
單位
Single Pole Single Throw (SPST) (On)-On 400 mA @ 20 V PCB Through Hole - - - - - - Brass - 10mΩ
RS庫存編號 165-1479
製造零件編號5649AB-8
BrandAPEM
HK$98.34
單位
Double Pole Double Throw (DPDT) On-Off-On 3 A @ 250 V ac, 4 A @ 30 V dc, 6 A @ 125 V ac Panel Mount Solder Lug - No - - 6.5mm 21.3mm Chrome Plated Brass 30 V dc, 125 V ac, 250 V ac 10mΩ