Rocker Switches, On Off Switch | RS
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    Rocker Switches

    A rocker switch is a type of electrical switch that consists of a lever or rocker that can be toggled between two positions: "on" and "off." They are sometimes referred to as a “on off switch”. You can learn more on how rocker switches work in our comprehensive Rocker Switch Guide.

    Here's some useful information on how to use rocker switches:

    • Function: Rocker switches are primarily used to control the flow of electric current to devices or circuits. They act as a bridge between the power source and the load (device) you want to control.

    • On and Off Positions: The rocker switch has two stable positions: "on" and "off", hence the name “on off switch”. In the "off" position, the switch interrupts the electrical circuit, preventing the current from flowing to the load. When you toggle it to the "on" position, the switch closes the circuit, allowing the current to reach the load.

    • Wiring: To use a rocker switch, you need to connect the switch terminals to the relevant wires. Typically, a rocker switch has three terminals: a common terminal (also called the "COM"), a normally open terminal ("NO"), and a normally closed terminal ("NC"). The common terminal is where you connect the power source or the live wire. The NO and NC terminals are for connecting the load or to the device you want to control.

    • Wiring Configurations: The wiring configuration will depend on your specific application and the desired behaviour of the switch. For instance:

      • If you want the load to be energized when the switch is in the "on" position, you would connect the live wire to the COM terminal and the load wire to the NO terminal.

      • If you want the load to be energized when the switch is in the "off" position, you would connect the live wire to the COM terminal and the load wire to the NC terminal.

    • Installation: Rocker switches are typically mounted onto a panel or a switch box using screws or clips. Make sure to follow the manufacturer's instructions for proper installation.

    • Applications: Rocker switches are widely used in various devices and systems, including household appliances, automotive applications, industrial machinery, and electronic equipment. They provide a convenient and straightforward way to control the power supply to different components.

    • Considerations: When choosing a rocker switch, consider factors such as the voltage and current rating, the switch's durability, and the environmental conditions in which it will be used.

    839 Products showing for Rocker Switches

    Illuminated
    Single Pole Single Throw (SPST)
    On-Off
    -
    -
    20mm
    6 A @ 250 V ac
    Green
    -
    Panel Mount
    -
    Quick Connect
    -
    -
    250V
    Round
    -
    20mm
    -
    DPDT
    On-On-On
    37mm
    21.1mm
    -
    16 A @ 125 → 250 V ac, 16 A @ 30 V dc, 20 A @ 125 → 250 V ac
    Black
    -
    Panel Mount
    IP67
    Quick Connect
    On
    -
    125 → 250V
    Rectangular
    30V
    21.1 x 37mm
    Illuminated
    SPST
    On-Off
    13mm
    19.2mm
    -
    10 A @ 125 V ac
    Green
    -
    Panel Mount
    -
    Quick Connect
    -
    -
    125 V, 250V
    Rectangular
    -
    19.2 x 13mm
    -
    Single Pole Double Throw (SPDT)
    On-(On)
    15.75mm
    7.11mm
    -
    400 mA @ 20 V
    Black
    -
    Panel Mount
    IP67
    Right Angle PC Pin
    -
    -
    -
    Rectangular
    20V
    7.11 x 15.75mm
    -
    SPDT
    Momentary
    37mm
    21.1mm
    -
    16 A @ 125 → 250 V ac, 16 A @ 30 V dc, 20 A @ 125 → 250 V ac
    Black
    -
    Panel Mount
    IP67
    Quick Connect
    On
    -
    125 → 250V
    Rectangular
    30V
    21.1 x 37mm
    -
    Single Pole Double Throw (SPDT)
    On-Off-On
    19.8mm
    13mm
    22.5mm
    10 A @ 125 V ac
    Black
    -
    Panel Mount
    -
    Quick Connect
    -
    -
    125 V, 250V
    Round
    -
    13 x 19.8mm
    Illuminated
    SPST
    Latching
    37mm
    21.1mm
    -
    16 A @ 125 → 250 V ac, 16 A @ 30 V dc, 20 A @ 125 → 250 V ac
    Black
    -
    Panel Mount
    IP67
    Quick Connect
    -
    -
    125 → 250V
    Rectangular
    30V
    21.1 x 37mm
    -
    SPST
    On-Off
    13mm
    19.2mm
    -
    10 A @ 125 V ac
    Black/Red
    -
    Panel Mount
    -
    Quick Connect
    -
    -
    125 V, 250V
    Rectangular
    -
    19.2 x 13mm
    -
    Single Pole Single Throw (SPST)
    Latching
    35.2mm
    17.8mm
    -
    10 A @ 125 V ac
    Black
    -
    Panel Mount
    -
    Quick Connect
    -
    -
    125 V, 250V
    Round
    -
    17.8 x 35.2mm
    -
    SPST
    On-Off
    20.6mm
    20.8mm
    -
    6 A
    White
    -
    -
    -
    -
    0; 1
    -
    250V
    Rectangular
    -
    20.8 x 20.6mm
    -
    SPDT
    On-Off-On
    37mm
    21.1mm
    -
    16 A @ 125 → 250 V ac, 16 A @ 30 V dc, 20 A @ 125 → 250 V ac
    Black
    -
    Panel Mount
    IP67
    Quick Connect
    -
    -
    125 → 250V
    Rectangular
    30V
    21.1 x 37mm
    -
    SPDT
    On-Off-On
    20.8mm
    20.6mm
    20mm
    10 A
    Black
    -
    Panel Mount
    -
    Quick Connect
    -
    -
    125 V, 250V
    Round
    -
    20.6 x 20.8mm
    Illuminated
    DPDT
    On-Off-On
    37mm
    21.1mm
    -
    16 A @ 125 → 250 V ac, 16 A @ 30 V dc, 20 A @ 125 → 250 V ac
    Black
    -
    Panel Mount
    IP67
    Quick Connect
    -
    -
    125 → 250V
    Rectangular
    30V
    21.1 x 37mm
    -
    Single Pole Double Throw (SPDT)
    On-(On)
    -
    -
    -
    5 A @ 250 V ac
    Black
    -
    PCB
    -
    PC Pin
    On (symbol); Off (symbol)
    -
    125 V, 250V
    Rectangular
    28V
    -
    -
    Single Pole Single Throw (SPST)
    Latching
    19.8mm
    13mm
    -
    16 A @ 125 V ac
    Black
    -
    Panel Mount
    -
    Quick Connect
    -
    -
    125 V, 250V
    Rectangular
    -
    13 x 19.8mm
    -
    SPST
    On-Off
    19.8mm
    13mm
    -
    16 A @ 125 V ac
    Black
    -
    Panel Mount
    -
    Quick Connect
    -
    -
    125 V, 250V
    Rectangular
    -
    13 x 19.8mm
    -
    Single Pole Double Throw (SPDT)
    On-Off-On
    19.8mm
    13mm
    22.5mm
    10 A @ 125 V ac
    Black
    -
    Panel Mount
    -
    Quick Connect
    -
    -
    125 V, 250V
    Round
    -
    13 x 19.8mm
    Illuminated
    DPDT
    On-Off-On
    37mm
    21.1mm
    -
    16 A @ 125 → 250 V ac, 16 A @ 30 V dc, 20 A @ 125 → 250 V ac
    Black
    -
    Panel Mount
    IP67
    Quick Connect
    -
    -
    125 → 250V
    Rectangular
    30V
    21.1 x 37mm
    Illuminated
    SPST
    On-Off
    -
    -
    20mm
    10 A @ 24 V dc
    Red
    -
    Panel Mount
    -
    Quick Connect
    -
    -
    -
    Round
    24V
    20mm
    -
    Double Pole Double Throw (DPDT)
    On-(On)
    7.65mm
    4.5mm
    -
    400 mA @ 20 V
    Black
    -
    Panel Mount
    -
    Right Angle PC Pin
    -
    -
    -
    Rectangular
    -
    4.5 x 7.65mm
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