Key Switches, Key Operated Lock Switches | RS
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    Key Switches

    Key switches are electromechanical switches that can only be operated with the use of a key, which then is turned to different positions to break or complete the circuit. The different positions align with different states, such as 'ON' or 'OFF', giving a clear indicator of the state of the circuit. Key switches are typically used for operations and process that may require a higher level of safety or security clearance as they cannot be accidentally switched on or off without using the appropriate key. RS supply a range of key-operated switches from a variety of brands, including APEM, C&K, Lorlin, and our own RS PRO, as well as others. You can find more information in our key switches guide.

    What are key switches used for?

    Key switches are commonly found in industrial environments, such as factories and warehouses, but can be found anywhere that it is deemed an appropriate security level to use a key-operated switch. Typical applications may include:Fire alarm systemsData cabinets or serversFuses boxesProcessing or assembly linesLarge or heavy-duty machinery

    322 Products showing for Key Switches

    Schneider Electric
    -
    2
    Spring Return
    SPST
    -
    -
    -
    Screw
    -
    -
    -
    -
    90°
    -
    Yes
    Green Premium
    Silver Alloy
    Eaton
    -
    2
    Spring Return
    -
    -
    IP66
    MS5
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Lorlin
    -
    2
    Off-On
    DPST
    50 mA @ 250 V ac
    -
    Flat
    Solder
    -
    Round
    -
    -
    90°
    -
    -
    -
    Silver Plated Brass
    APEM
    -
    2
    Latching
    DPDT
    4 A
    -
    Common
    Solder
    Glass Filled Polyester
    Round
    Automatic Door Control, Automation Control, Communication Systems, Fire Alarm Panels, Power Distribution, Transportation
    22.29mm
    90°
    -
    -
    -
    Copper Alloy
    Siemens
    -
    2
    Latching
    SPDT
    -
    -
    -
    -
    -
    -
    -
    -
    90°
    Extended product life, Low carbon manufacture
    Yes
    -
    -
    C & K
    -
    3
    Latching
    SPST
    4 A
    -
    Flat
    Solder
    Glass Filled Polyester
    Round
    Point of Sale Terminal, Cash Register, Computer
    23.14mm
    45°
    -
    -
    -
    Silver
    APEM
    -
    2
    Momentary
    SPDT
    4 A
    -
    Common
    Solder
    Glass Filled Polyester
    Round
    Automatic Door Control, Automation Control, Communication Systems, Fire Alarm Panels, Power Distribution, Transportation
    27.3mm
    45°
    -
    -
    -
    Copper Alloy
    Kaba
    -
    2
    Momentary
    DP-CO
    20 A
    -
    Random
    Screw
    -
    Round
    -
    70.1mm
    90°
    -
    -
    -
    Silver
    Idec
    -
    2
    Latching
    DPDT
    1 A
    IP40, IP65
    Common
    Tab
    Plastic
    Round
    Office And Factory
    23mm
    90°
    -
    -
    -
    Gold Plated Silver
    APEM
    Key Trapping
    3
    Latching
    DPST
    4 A @ 28 V dc
    -
    Flat
    Wire Lead
    Zinc Alloy
    Round
    -
    -
    45°
    -
    -
    -
    Gold Plated Copper Alloy
    EAO
    Key Trapping
    2
    Momentary
    -
    5 A @ 250 V ac
    IP65
    Flat
    -
    Polyamide
    Square
    -
    42mm
    42°
    -
    -
    -
    Gold Plated Silver
    C & K
    -
    2
    Latching
    DPST
    4 A
    -
    Flat
    Through Hole
    Glass Filled Polyester
    Round
    Point of Sale Terminal, Cash Register, Computer
    23.14mm
    90°
    -
    -
    -
    Silver
    Lorlin
    Key Trapping
    2
    -
    DPDT
    1 A @ 24V ac dc / 115V ac
    -
    Random
    Solder
    Zinc Alloy
    Round
    -
    -
    60°
    -
    -
    -
    Silver Plated Brass
    Eaton
    -
    2
    Latching
    -
    -
    IP66
    Common
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Eaton
    -
    2
    Spring Return
    1 NO
    6A
    IP66
    Standard
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    TE Connectivity
    -
    2
    Latching
    SPST
    1 A @ 120 V ac
    -
    -
    Screw, Solder
    Zinc Alloy
    -
    Medium Security
    -
    90°
    -
    -
    -
    Brass, Stainless Steel
    Lorlin
    -
    2
    -
    DPDT
    5 A @ 115 V ac
    -
    Flat
    Solder
    -
    Round
    -
    -
    90°
    -
    -
    -
    -
    C & K
    -
    2
    Latching
    SPST
    12 A@ 125 V ac, 6 A@ 250 V ac
    -
    Flat
    Quick Connect
    Nylon
    Round
    Machine Controls, Elevators
    28.35mm
    90°
    -
    -
    -
    Silver
    Lorlin
    -
    2
    Off-On
    SPST
    500 mA @ 24 V
    -
    Common, Flat
    Solder
    Zinc Alloy
    Round
    -
    -
    90°
    -
    -
    -
    -
    NKK Switches
    Key Trapping
    3
    On-Off-On
    SPDT
    3 A
    IP40
    Flat
    Solder Lug
    -
    -
    -
    16mm
    -
    -
    -
    -
    Silver
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