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 762-4707
製造零件編號8A1012-Z
HK$29.24
單位
Single Pole Double Throw (SPDT) Latching 6 A PCB Through Hole - - - - - 10.5mm - - 10mΩ
RS庫存編號 762-4767
製造零件編號8C1041-Z
HK$34.60
單位
Single Pole Double Throw (SPDT) (On)-Off-(On) 3 A@ 250 V ac, 6 A@ 125 V ac Panel Mount Tab - - - - - 11.4mm - - 10mΩ
RS庫存編號 222-819
製造零件編號ET115A12-Z
HK$38.97
單位
SPST On-Off 10 A@ 250 V ac, 15 A@ 125 V ac Panel Mount Solder - - - - - 17mm - - 20mΩ
RS庫存編號 762-5457
製造零件編號ET230N10-Z
HK$91.98
單位
Double Pole Double Throw (DPDT) Latching 25 A@ 250 V ac, 30 A@ 125 V ac Panel Mount Screw - - - - - 17mm - - 20mΩ
RS庫存編號 762-4921
製造零件編號8J1041-Z
HK$30.43
單位
Single Pole Double Throw (SPDT) (On)-Off-(On) 6 A Panel Mount Solder - - - - - 6.8mm - - 10mΩ
RS庫存編號 222-601
製造零件編號ATE2D-5M3-10-Z
HK$21.95
單位
DPDT On-On 50 mA@ 48 V ac/dc PCB Through Hole - - - - - 6mm - - 50mΩ
RS庫存編號 762-4802
製造零件編號8E1011C-Z
HK$50.66
單位
Single Pole Double Throw (SPDT) Latching 25 mA Panel Mount Tab - - - - - 16.5mm - - 20mΩ
RS庫存編號 762-4805
製造零件編號8D1061-Z
HK$33.75
單位
Single Pole Double Throw (SPDT) Momentary 6 A Panel Mount Tab - - - - - 21.3mm - - 10mΩ
RS庫存編號 222-780
製造零件編號ET215K10-Z
HK$58.85
單位
DPST On-Off 10 A@ 250 V ac, 15 A@ 125 V ac Panel Mount Screw - - - - - 17mm - - 20mΩ
RS庫存編號 180-6971
製造零件編號CF-TA-1GB4-A12
HK$90.139
個 (以毎袋:20)
單位
SPDT (On)-Off-(On) 50 mA PCB Surface Mount - - - - - 6mm - 48V ac/dc 100mΩ
RS庫存編號 762-4836
製造零件編號8F1011-Z
HK$29.63
單位
Single Pole Double Throw (SPDT) Latching 6 A Panel Mount Tab - - - - - 10.5mm - - 10mΩ
RS庫存編號 762-4808
製造零件編號8D2041-Z
HK$41.30
單位
Double Pole Double Throw (DPDT) (On)-Off-(On) 6 A Panel Mount Tab - - - - - 21.3mm - - 10mΩ
RS庫存編號 222-831
製造零件編號ET115E12-Z
HK$61.15
單位
SPDT On-Off-On 10 A@ 250 V ac, 15 A@ 125 V ac Panel Mount Solder - - - - - 17mm - - 20mΩ
RS庫存編號 762-4830
製造零件編號8F1021-Z
HK$32.81
單位
Single Pole Double Throw (SPDT) On-Off-On 6 A Panel Mount Tab - - - - - 10.5mm - - 10mΩ
RS庫存編號 180-6972
製造零件編號CF-TA-1HB4-A12
HK$90.139
個 (以毎袋:20)
單位
SPDT On-Off-(On) 50 mA PCB Surface Mount - - - - - 6mm - 48V ac/dc 100mΩ
RS庫存編號 762-4814
製造零件編號8E1041-Z
HK$54.34
單位
Single Pole Double Throw (SPDT) (On)-Off-(On) 3 A@ 250 V ac, 6 A@ 125 V ac Panel Mount Tab - - - - - 16.5mm - - 10mΩ
RS庫存編號 222-538
製造零件編號ATE1F-2M3-10-Z
HK$20.92
單位
SPDT On-(On) 50 mA@ 48 V ac/dc PCB Through Hole - - - - - 6mm - - 50mΩ
RS庫存編號 762-4842
製造零件編號8F1061-Z
HK$34.43
單位
Single Pole Double Throw (SPDT) Momentary 3 A@ 250 V ac, 6 A@ 125 V ac Panel Mount Tab - - - - - 10.5mm - - 10mΩ
RS庫存編號 762-4723
製造零件編號8A1062-Z
HK$39.24
單位
Single Pole Double Throw (SPDT) Momentary 6 A PCB Through Hole - - - - - 10.5mm - - 10mΩ
RS庫存編號 762-5211
製造零件編號ATE2G-2F3-10-Z
HK$45.03
單位
Double Pole Double Throw (DPDT) (On)-Off-(On) 50 mA@ 48 V ac/dc PCB Through Hole - - - - - 10mm - - 50mΩ