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    Key Switches & Selector Switches

    A key switch or lock switch setup is an ideal way to enhance the security and safety of various important - or potentially hazardous - workplace systems and mechanisms. Our selection of key switches and covers is sourced from leading brands known for reliability, durability and quality, including APEM, C&K, Honeywell, Omron, Lorlin, Saia-Burgess and NKK Switches.

    How do key switches work, and what are the main differences between them?

    Key switches or lock switches include a range of switch types that can only be actuated when used simultaneously with a physical key. This helps prevent unauthorised access to (or accidental triggering of) whichever system, machinery or process is controlled by the key switch actuator mechanism.

    Key switches are widely used in processes such as automation control, comms systems, fire and security alarm panels, power distribution, and automatic door controls. Important factors to consider when buying key switches online include:

    • Number of positions - this can typically range anywhere between 1-6 positions, giving you full control over how many different states and potential functions the key switch is able to differentiate between as it’s turned.
    • Switch operation - common types of key switch operation include latching, momentary, maintained, snap action, and spring return. These operations can be used to control various lock switch function arrays such as off-on, on-off-start, break before make, and acc-off-ign.
    • Contact configuration - controls how the key switch behaves at various positions when turned, with common examples including Single Throw (ST), Single Pole Double Throw (SPDT), and Double Pole Double Throw (DPDT).
    • Key trapping - whether or not the key must be retained in the lock switch once actuated, in order for the relevant circuit to remain open/closed.
    • IP ratings - the level of protection you require against ingress of dirt/moisture around the key switch housing, dependent on environmental conditions.
    • Key switch covers and key types - caps, covers and bezels can all improve security or ease of access to key switch modules, while key types can range from simple fish keys to fully toothed and cut spares for various lock switch series and standards.
    Key Switch Heads
    Key Switch Heads
    Key Switch Keys & Covers
    Key Switch Keys & Covers
    Key Switches
    Key Switches
    Selector Switch Heads
    Selector Switch Heads
    Selector Switches
    Selector Switches

    2747 สินค้าที่แสดงสำหรับ Key Switches & Selector Switches

    1 จาก 138
    Better World
    Siemens Selector Switch -, Illuminated 2 Positions
    • RS Stock No. 193-2790
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 3SU1100-2BF10-1BA0
    Each
    THB1,556.87
    Eaton IP66 Key Switch 3-Way Knob-Key
    • RS Stock No. 810-3810
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 216520 M22-WRK3/K20
    Each
    THB1,396.16
    Lorlin Key Switch, DPDT, 4 A @ 250 V ac 2-Way Flat-Key
    • RS Stock No. 187-3584
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MSL8605B
    Each
    THB768.53
    Better World
    Schneider Electric IP66, IP67, IP69, IP69K Key Switch, 2NO, 10A 3-Way
    • RS Stock No. 123-8153
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. XB5AG33
    Each
    THB2,080.72
    RS PRO 2 Position Selector Switch Head, 22mm Cutout, Green Handle
    • RS Stock No. 188-1156
    Each
    THB214.52
    Idec IP66 Key Switch, DPST 2-Way
    • RS Stock No. 168-2694
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. CW1K-21BE20
    Each
    THB1,684.29
    Better World
    Schneider Electric Harmony XB4 Series 3 Position Selector Switch Head, 22mm Cutout, White Handle
    • RS Stock No. 330-9271
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. ZB4BK1313
    Each
    THB1,338.27
    Better World
    Siemens Key for SIRIUS ACT Series
    • RS Stock No. 193-2530
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 3SU1950-0FC80-0AA0
    Each
    THB400.99
    Eaton Key for M22
    • RS Stock No. 273-6427
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 111766 M22-ES-MS3
    Each
    THB462.28
    Better World
    Schneider Electric Knob Selector Switch - (SPST) 22mm Cutout Diameter 2 Positions
    • RS Stock No. 330-8672
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. XB4BD21
    Each
    THB1,222.72
    Idec Selector Switch - (NC/NO), Illuminated 2 Positions
    • RS Stock No. 210-4188
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MW1S-2L2
    Each
    THB2,202.53
    Idec IP65 Key Switch, SPST 2-Way
    • RS Stock No. 168-2548
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. YW1K-2AE10
    Each
    THB758.21
    Idec IDEC HW Series 3 Position Selector Switch Head, 22mm Cutout, Black Handle
    • RS Stock No. 835-3399
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. HW1S-3T
    Each
    THB266.30
    Better World
    Schneider Electric Harmony XB4 Series 3 Position Selector Switch Head, 22mm Cutout, Orange Handle
    • RS Stock No. 330-9316
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. ZB4BK1353
    Each
    THB1,443.53
    Better World
    Schneider Electric ZB4 Series 2 Position Selector Switch Head, 22mm Cutout, Green Handle
    • RS Stock No. 330-9237
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. ZB4BK1233
    Each
    THB1,603.25
    Better World
    Schneider Electric Selector Switch - (2 NO) 3 Positions
    • RS Stock No. 609-6041
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. XB5AD33
    Each
    THB606.73
    Idec IP40, IP65 Key Switch, DPDT, 1 A 2-Way Common-Key
    • RS Stock No. 828-8126
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. AS6M-2KT2PA
    Each
    THB1,488.35
    Better World
    Schneider Electric - Easy Series IP54 Selector Switch, 2NO 3-Way
    • RS Stock No. 260-9855
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. XA2EG73
    Each
    THB1,432.91
    Honeywell Key Switch, 20 A @ 12 V dc 3-Way Straight-Key
    • RS Stock No. 853-6490
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 84826-01
    Each
    THB1,362.37
    Idec IDEC HW Series 2 Position Selector Switch Head, 22mm Cutout, Black Handle
    • RS Stock No. 835-3343
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. HW1S-2T
    Each
    THB221.56
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