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

55980 Producten voor Switches

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Eaton RMQ16 Series 3 Position Selector Switch Head, 16 mm Cutout
  • RS-stocknr. 187-3348
  • Fabrikantnummer 072309 Q18WK3R
Subtotaal (1 eenheid)
€ 17,10(excl. BTW)
€ 17,10/eenheid
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Omron D4NS Safety Rated Interlock Switch, Key, Plastic, Key
  • RS-stocknr. 214-7552
  • Fabrikantnummer D4NS-1CF
Subtotaal (1 eenheid)
€ 32,42(excl. BTW)
€ 32,42/eenheid
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RS PRO RSEG Series Blue Spring Return Push Button Head, 22 mm Cutout, IP65
  • RS-stocknr. 188-1137
Subtotaal (1 eenheid)
€ 4,35(excl. BTW)
€ 4,35/eenheid
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EAO Contact Block, 500V ac, 2 NC
  • RS-stocknr. 175-7921
  • Fabrikantnummer 704.910.4
Subtotaal (1 eenheid)
€ 17,92(excl. BTW)
€ 17,92/eenheid
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ABB Jokab EVA Series Electronic Detection Non-Contact Safety Switch, Thermoplastic Housing
  • RS-stocknr. 176-0036
  • Fabrikantnummer 2TLA020046R0800 Eva General code
Subtotaal (1 eenheid)
€ 30,39(excl. BTW)
€ 30,39/eenheid
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Eaton for Use with NZM1(-4) Series, PN1(-4) Series, N(S)1(-4) Series 500 V ac, 1 NO
  • RS-stocknr. 399-3573
  • Fabrikantnummer 216376 M22-K10
Subtotaal (1 eenheid)
€ 6,27(excl. BTW)
€ 6,27/eenheid
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Schneider Electric Harmony Series Contact & Light Block, 24V, White Light, 1 NC
  • RS-stocknr. 273-2129
  • Fabrikantnummer ZB4BW0B12
Subtotaal (1 eenheid)
€ 14,92(excl. BTW)
€ 14,92/eenheid
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RS PRO Flush Push Button Switch - 1 NO/1 NO, Polycarbonate, Black, Up, IP65
  • RS-stocknr. 711-236
Subtotaal (1 eenheid)
€ 28,52(excl. BTW)
€ 28,52/eenheid
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ABB 4-Pole Base Isolator Switch -, IP65, 200A, 144 kW
  • RS-stocknr. 762-2679
  • Fabrikantnummer OT160EV22P 1SCA120537R1001
Subtotaal (1 eenheid)
€ 299,62(excl. BTW)
€ 299,62/eenheid
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RS PRO Push Button Switch, Panel Mount, 22 mm Cutout Green, DPST, IP65
  • RS-stocknr. 145-0616
Subtotaal (1 eenheid)
€ 11,82(excl. BTW)
€ 11,82/eenheid
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Schneider Electric Harmony XB Series Light Block, 24V, Green Light
  • RS-stocknr. 466-477
  • Fabrikantnummer ZBVB3M
Subtotaal (1 verpakking van 5 eenheden)
€ 37,37(excl. BTW)
€ 37,37/verpakking
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RS PRO Heavy Duty Snap Action Foot Switch - 1 NO/1 NC Aluminium 6A Contact Current, 400 V ac Contact Voltage
  • RS-stocknr. 238-0556
Subtotaal (1 eenheid)
€ 106,01(excl. BTW)
€ 106,01/eenheid
Op voorraad
RS PRO CV4A 2-Axis Joystick Knob Spring Return, IP65, 250 V ac, 250 V dc, 5A
  • RS-stocknr. 825-2596
Subtotaal (1 eenheid)
€ 23,90(excl. BTW)
€ 23,90/eenheid
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Eaton Green LED Indicator, Eaton Moeller, 22.5 mm Cutout, 250V ac, IP67, IP69K, Round
  • RS-stocknr. 247-636
  • Fabrikantnummer 132600 M22-L-G-LED230-BVP
Subtotaal (1 eenheid)
€ 31,00(excl. BTW)
€ 31,00/eenheid
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RS PRO Grey Plastic Push Button Enclosure - 1 Hole 22.5 mm Diameter
  • RS-stocknr. 182-8655
Subtotaal (1 eenheid)
€ 8,13(excl. BTW)
€ 8,13/eenheid
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RS PRO 3 Position 60 °, Knob Actuator 20 A
  • RS-stocknr. 208-3908
Subtotaal (1 eenheid)
€ 38,06(excl. BTW)
€ 38,06/eenheid
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RS PRO IP65 Key Switch, 1 CO 2-Way
  • RS-stocknr. 145-0627
Subtotaal (1 eenheid)
€ 19,38(excl. BTW)
€ 19,38/eenheid
Op voorraad
SICK RE13 Series Magnetic Non-Contact Safety Switch, Plastic Housing, 30V dc, 2 NO, M8
  • RS-stocknr. 797-4854
  • Fabrikantnummer RE13-SAC
Subtotaal (1 eenheid)
€ 57,57(excl. BTW)
€ 57,57/eenheid
Op voorraad
Schneider Electric Harmony Series Red Momentary Push Button Head, 22 mm Cutout, IP69K, IP66
  • RS-stocknr. 330-9035
  • Fabrikantnummer ZB4BC4
Subtotaal (1 eenheid)
€ 13,92(excl. BTW)
€ 13,92/eenheid
Op voorraad
Schmersal BPS Series Actuator, Plastic Housing, Screw
  • RS-stocknr. 198-7863
  • Fabrikantnummer BPS 33
Subtotaal (1 eenheid)
€ 10,04(excl. BTW)
€ 10,04/eenheid
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