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
    -
    3
    -
    2NO
    -
    IP66, IP67, IP69(IP69K)
    -
    Screw
    -
    -
    -
    -
    45°
    -
    Yes
    Green Premium
    Silver Alloy
    Lorlin
    -
    2
    On-Off
    DPST
    4 A @ 125 V ac
    -
    Tubular
    Through Hole
    Zinc Alloy
    Round
    Electromechanical
    -
    90°
    -
    -
    -
    -
    Cole Hersee
    -
    4
    Acc-Off-Ign/Acc-Start
    -
    10 A
    IP67
    Straight
    Screw
    Plastic
    Round
    Automotive
    49.52mm
    -
    -
    -
    -
    Nickel Plated Brass
    Eaton
    -
    3
    -
    -
    -
    IP66
    Knob
    Screw
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Eaton
    -
    2
    Latching
    SPDT
    -
    IP66
    -
    Screw
    -
    -
    -
    -
    60°
    -
    -
    -
    -
    Eaton
    -
    3
    Latching, Momentary
    -
    -
    IP64
    Flat
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    Lorlin
    -
    2
    -
    SPDT
    5 A @ 115 V ac
    -
    Random
    Solder
    Zinc Alloy
    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
    APEM
    -
    4
    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
    45°
    -
    -
    -
    Copper Alloy
    Schneider Electric
    -
    3
    Slow Break
    2NO
    10A
    IP66, IP67, IP69, IP69K
    -
    Screw
    -
    Round
    -
    -
    45°
    -
    Yes
    Green Premium
    Silver Alloy
    APEM
    -
    3
    Latching
    DP3T
    4 A
    -
    Common
    Solder
    Glass Filled Polyester
    Round
    Automatic Door Control, Automation Control, Communication Systems, Fire Alarm Panels, Power Distribution, Transportation
    22.29mm
    45°
    -
    -
    -
    Copper Alloy
    APEM
    -
    3
    Momentary
    -
    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
    Eaton
    -
    3
    Latching
    2 NO
    6A
    IP66
    Standard
    -
    -
    -
    -
    -
    -
    -
    -
    -
    -
    APEM
    -
    3
    Latching
    DP3T
    4 A
    -
    Common
    Solder
    Glass Filled Polyester
    Round
    Automatic Door Control, Automation Control, Communication Systems, Fire Alarm Panels, Power Distribution, Transportation
    22.29mm
    45°
    -
    -
    -
    Copper Alloy
    Kaba
    -
    2
    Off-(On)
    SP-CO
    5 A@ 250 V ac
    -
    Flat, Random
    Solder
    -
    -
    High Security
    -
    -
    -
    -
    -
    -
    Schneider Electric
    -
    2
    -
    1NO
    -
    IP66, IP67, IP69(IP69K)
    -
    Screw
    -
    -
    -
    -
    90°
    -
    Yes
    Green Premium
    Silver Alloy
    Lorlin
    Key Trapping
    1
    Latching
    DPST
    1 A @ 115 V ac
    IP66, IP67
    Common
    Solder
    Nylon 66
    Round
    Marine
    22.4mm
    60°
    -
    -
    -
    Brass CZ108
    Schneider Electric
    -
    2
    -
    SPST
    -
    -
    -
    Screw
    -
    -
    -
    -
    90°
    -
    Yes
    Green Premium
    Silver Alloy
    Honeywell
    -
    2
    Off-On
    -
    -
    -
    -
    Screw
    -
    -
    -
    -
    -
    -
    -
    -
    -
    APEM
    Key Trapping
    2
    Latching
    DPST
    4 A @ 28 V dc
    -
    Flat
    Wire Lead
    Zinc Alloy
    Round
    -
    -
    90°
    -
    -
    -
    Gold Plated Copper Alloy
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