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    Switches

    Switches are commonly used in electronic circuits. These power switches enable control of the circuit by switching it on/off or controlling a range of other features.

    How do electrical switches work?

    Electrical switches are binary devices which sit within a circuit to control the flow of electricity. They work by interrupting the flow of electrons and switching the circuit on or off.

    Switches contain mechanical terminals which connect to metal contacts. When the terminal and contact are touching, the electric switch is closed and the current can pass through. When the terminal and contact are not touching, the switch is open and the current cannot pass through the circuit.

    What are Poles and Throws?

    The number of circuits controlled by a power switch is referred to as "poles". The number of positions that the switch can adopt is called "throws". The combinations of these are:

    • SPST (Single Pole Single Throw)
    • SPDT (Single Pole Double Throw)
    • DPST (Double Pole Single Throw)
    • DPST (Double Pole Double Throw)

    What types of switches are there?

    The type of electric switch you require depends on the connections you wish to make within your circuit. Switches are often grouped by the way they are operated, for example, rocker switches that rock side to side. Alternatively, they are classified by their application, for example, keypad switches are used with keypads. Here are some examples of electric switch types:

    Detector

    DIP/SIP

    Foot

    Hall Effect

    Joystick

    Key

    Keyboard/Keypad

    Piezo

    Microswitches

    Rotary

    Push Button

    Toggle

    Shop RS range of electric switches with ease of mind and convenience. As a global parts supplier, we have a one-stop shop approach for an extensive range of mechanical electrical switches and more, available in stock and fast, reliable service and support.

    With our global delivery network and online ordering system, you can manage, track and update your orders easily with an RS Online Account. Register for your RS Online Account to access a host of additional features that streamline your sourcing and purchasing processes.

    Capacitive, Magnetic and Piezo Switches
    Capacitive, Magnetic and Piezo Switches
    DIP & Rotary Encoded Switches
    DIP & Rotary Encoded Switches
    Domestic Installation Switches
    Domestic Installation Switches
    Foot Switches & Components
    Foot Switches & Components
    Joysticks & Components
    Joysticks & Components
    Key Switches & Selector Switches
    Key Switches & Selector Switches
    Keyboard & Keypad Switches
    Keyboard & Keypad Switches
    Limit & Position Switches
    Limit & Position Switches
    Micro Switches & Detector Switches
    Micro Switches & Detector Switches
    Push Button Switches & Components
    Push Button Switches & Components
    Rocker Switches & Components
    Rocker Switches & Components
    Rope Pull Switches & Components
    Rope Pull Switches & Components
    Rotary Switches & Components
    Rotary Switches & Components
    Safety Enabling & Control Switches
    Safety Enabling & Control Switches
    Safety Interlock Switches & Components
    Safety Interlock Switches & Components
    Switch Disconnectors & Components
    Switch Disconnectors & Components
    Toggle Switches & Slide Switches
    Toggle Switches & Slide Switches

    47313 สินค้าที่แสดงสำหรับ Switches

    1 จาก 999+
    Telemecanique Sensors OsiSense XC Series Limit Switch Operating Head for Use with XC Series
    • RS Stock No. 609-3783
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. ZCKY41
    Each
    THB571.63
    ABB 1SFA Series Twist Release Emergency Stop Push Button, Surface Mount, 2NC, IP66, IP67, IP69K
    • RS Stock No. 185-609
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. CEPY1-2001
    Each
    THB4,699.30
    Molveno Illuminated DPST, On-Off Rocker Switch Panel Mount
    • RS Stock No. 793-2516
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. SX8211881E110000
    Each
    THB98.78
    Better World
    Schneider Electric Knob Selector Switch - (2NO) 3 Positions
    • RS Stock No. 330-8694
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. XB4BD33
    Each
    THB2,513.77
    Better World
    Schneider Electric Knob Selector Switch - (2NO) 22mm Cutout Diameter 3 Positions
    • RS Stock No. 330-8701
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. XB4BD53
    Each
    THB1,414.11
    ABB Black Rotary Handle, 1SCA Series
    • RS Stock No. 231-9220
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 1SCA105231R1001 OHBS2PJ
    Each
    THB610.50
    Ceratech Foot Switch (On)-Off Foot Switch - Plastic Case Material, USB
    • RS Stock No. 162-324
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. MOU-USBPEDAL-X1P
    Each
    THB1,264.91
    Better World
    Schneider Electric Harmony XB Series Light Block, 110 → 120V, White Light
    • RS Stock No. 610-2893
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. ZBVG1
    Each
    THB1,170.65
    Better World
    Schneider Electric, XB7, Panel Mount Green LED Pilot Light, 22mm Cutout, IP20, IP65, 26.4 V ac, 30V dc
    • RS Stock No. 610-2691
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. XB7EV03BP
    Each
    THB549.47
    Eaton 3P+N Pole Panel Mount Isolator Switch - 100A Maximum Current, 50kW Power Rating, IP65
    • RS Stock No. 103-8413
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 019890 P3-100/EA/SVB/N
    Each
    THB8,088.88
    Schmersal Standard Actuator for Use with AZ 17 Safety Switch
    • RS Stock No. 623-2887
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. AZ 17/170-B1
    Each
    THB551.55
    TE Connectivity Toggle Switch, Panel Mount, On-On, SPDT, Solder Terminal, 125V ac
    • RS Stock No. 317-645
    Each
    THB637.92
    TE Connectivity Push Button Switch, Latching, Panel Mount, 19.2mm Cutout, SPST, 250V ac, IP67
    • RS Stock No. 123-6064
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. AV1911000Q04
    Each
    THB539.71
    Schmersal AZ/AZM201-B30-LTAG1P1 Series Spring Return Limit Switch, Thermoplastic Housing
    • RS Stock No. 206-5769
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 103013498
    Each
    THB15,963.85
    Telemecanique Sensors Roller Limit Switch, 1NC/1NO, IP66, IP67, Metal Housing, 10A Max
    • RS Stock No. 221-2859
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. XCKD2118G11
    Each
    THB2,910.31
    Telemecanique Sensors OsiSense XC Series Limit Switch Operating Head for Use with XC Series
    • RS Stock No. 360-8679
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. ZCKD10
    Each
    THB616.62
    Schneider Electric Handle Selector Switch - (1NO+1NC) 22mm Cutout Diameter, Illuminated 2 Positions
    • RS Stock No. 276-2506
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. XB4BK124G5
    Each
    THB2,478.45
    ABB 3 Pole Base Mounting Changeover Switch - 100A Maximum Current, 37kW Power Rating, IP20
    • RS Stock No. 231-9210
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. 1SCA105008R1001 OT100F3C
    Each
    THB9,693.76
    Better World
    Schneider Electric Harmony XB4 Series Green, Red Illuminated Spring Return Push Button Head, 22mm Cutout, IP66, IP69K
    • RS Stock No. 708-7708
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. ZB4BW7L3741
    Each
    THB1,255.44
    Telemecanique Sensors XCMD Series Roller Plunger Limit Switch, NO/NC, IP66, IP67, IP68, DP, Zinc Alloy Housing, 240V ac
    • RS Stock No. 447-3840
    • หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No. XCMD2102L1
    Each
    THB2,889.19
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