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    Switches

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

    How do they work?

    Electronic 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 terminals which connect to metal contacts. When the terminal and contact are touching, the 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 Throws?

    The number of circuits controlled by a 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 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 switch types:

    • Detector
    • DIP/SIP
    • Foot
    • Hall Effect
    • Joystick
    • Key
    • Keyboard/Keypad
    • Piezo
    • Microswitches
    • Rotary
    • Push Button
    • Toggle
    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

    50516 Produits présentés pour Switches

    8 sur 999+
    RS PRO Green Momentary Push Button Head, 22mm Cutout, IP65
    • N° de stock RS 205-2355
    la pièce
    3,75 €
    Better World
    Schneider Electric Harmony XB5 Series Key Release Emergency Stop Push Button, Panel Mount, 22mm Cutout, 1NC
    • N° de stock RS 795-1277
    • Référence fabricant XB5AS9442
    la pièce
    39,14 €
    Better World
    Schneider Electric Harmony XB4 Series Illuminated Push Button, Panel Mount, 22mm Cutout, SPDT, IP66, IP69K
    • N° de stock RS 708-7704
    • Référence fabricant XB4BW73731M5
    la pièce
    51,30 €
    Allen Bradley 440G-T Series Solenoid Interlock Switch, Power to Lock, 24V ac/dc
    • N° de stock RS 357-9199
    • Référence fabricant 440G-T27127
    la pièce
    316,19 €
    Better World
    Schneider Electric XB2 Series Contact Block, 600V, 1NC
    • N° de stock RS 815-1670
    • Référence fabricant ZB2BE102
    la pièce
    6,14 €
    Better World
    Schneider Electric Harmony XB4 Series Red Illuminated Latching Push Button Head, 22mm Cutout, IP66, IP69K
    • N° de stock RS 746-9144
    • Référence fabricant ZB4BW643
    la pièce
    43,46 €
    Carling Technologies, Rocker Switch Lens, Laser Etched Actuator, For Use With V Series Sealed Rocker Switches, White
    • N° de stock RS 913-2780
    • Référence fabricant VVPZC22-121
    la pièce
    3,10 €
    RND RND 210 Series Vandal Proof Push Button Switch, (On)-Off, Panel Mount, 12mm Cutout, SPST, 36V dc, IP65
    • N° de stock RS 283-2609
    • Référence fabricant RND 210-00576
    la pièce
    4,49 €
    Omron A22NE Series Twist Release Emergency Stop Push Button, Panel Mount, 22mm Cutout, 1 NO + 1 NC
    • N° de stock RS 215-7705
    • Référence fabricant A22NE-M-P102-N-B
    la pièce
    92,55 €
    Eaton RMQ Titan M22 Series Contact Block, 500V, 1NC
    • N° de stock RS 810-3778
    • Référence fabricant 216503 M22-AK01
    la pièce
    6,93 €
    Allen Bradley Guardmaster 440N Series RFID Non-Contact Safety Switch, 24V dc, Stainless Steel Housing, 2NC, M12
    • N° de stock RS 215-586
    • Référence fabricant 440N-Z21S17H
    la pièce
    183,05 €
    Better World
    Schneider Electric Spring Return Control Station Switch - SPST, Zinc Alloy, IP54
    • N° de stock RS 609-5206
    • Référence fabricant XAPS11221N
    la pièce
    73,10 €
    Omron Roller Lever Micro Switch, Solder Terminal, 3 A @ 30 V dc, SPDT, IP67
    • N° de stock RS 616-0524
    • Référence fabricant D2SW-3L2H
    la pièce
    5,82 €
    Schneider Electric 4P Pole Isolator Switch - 63A Maximum Current, 30kW Power Rating, IP40
    • N° de stock RS 280-8216
    • Référence fabricant 28903
    la pièce
    100,57 €
    RS PRO White Rocker Light Switch, 2 Way, 1 Gang
    • N° de stock RS 775-8090
    la pièce
    3,40 €
    EOZ Push Button Switch, Momentary, Panel Mount, 16.2mm Cutout, SPST, 48 V dc, 250V ac, IP65
    • N° de stock RS 690-3267
    • Référence fabricant R16FRGSTAG
    la pièce
    11,32 €
    Marquardt Door Micro Switch, Plunger, SPST 16 A @ 250 V ac IP40, -40 → +85°C
    • N° de stock RS 575-539
    • Référence fabricant 1117.0106
    la pièce
    9,19 €
    Siemens 8UD Door-coupling
    • N° de stock RS 216-6412
    • Référence fabricant 8UD1900-2HA00
    la pièce
    54,20 €
    Allen Bradley Guardmaster 440N Series RFID Non-Contact Safety Switch, 24V dc, Plastic Housing, 3m Cable
    • N° de stock RS 215-766
    • Référence fabricant 440N-Z21S16A
    la pièce
    114,92 €
    Jumo Capillary Thermostat, +120°C Max, NO/NC, Automatic Reset, Surface Mount
    • N° de stock RS 684-1185
    • Référence fabricant 603070/0002-7-026-000-25-2000-40-10-00-00-000-00-6
    la pièce
    76,18 €
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