A Large Inventory Of Rotary Switches Available In Various Sizes And Shapes

What are rotary switches?

A rotary switch is a switch that carries out an operation with the help of rotation. These are often selected when the positions require more than 2, such as a three-speed fan or a CB radio embedded with multiple frequency channels. A rotary switch comprises a spindle, or "rotor," and a contact arm, or "spoke," which protrudes like a cam from its surface. Each terminal acts as a contact for the "spoke" that allows any of a variety of electrical circuits to be connected to the rotor. These terminals are placed in a circle around the rotor. Each layer of the switch, which corresponds to one pole, enables the use of many poles. An alternative is to restrict the rotation to a small portion of a circle, which would allow each layer to have several poles.

What are switches commonly used for?

Rotary switches are used to link an electrical supply to a working circuit inside of a device. The electrical charge enters the switch and is then sent to the circuit the switch is currently selecting.

Unlike software-based technologies like touch displays, which provide delayed tactile feedback, switches offer a reliable mechanical control method. In particular circumstances, software faults may pose a risk or result in serious problems.

The following are some of the most typical uses for switches:

Variable momentum fans

Rotary bulb switches

Rotary light switches

Dimmers

How Does a Rotary Switch Work?

Let's examine the operation of rotary switches. All of them feature a spindle or rotor with a projecting spoke, notwithstanding the variety of designs and permutations that are available. The spoke travels into various locations as the spindle rotates within its shaft, encountering the electrical terminal in each and turning on any associated circuits or altering the electrical state. These circuits pass via a wafer, which is a circular component. A single location may have many circuits tied to it.

How to configure a Rotary Switch

Basic guidelines for installing a rotary switch are listed below:

For each terminal's input. They could be labeled, but if not, turn the switch to the first position before using an Ohmmeter to measure the current flow.

Prepare the wire ends by either removing the insulation by about ¼ inch so that you may solder them or by connecting the proper connection.

Use solder or a connector to attach the incoming device wire to the rotary switch input terminal. Repeat this procedure for each input terminal if your rotary switch has more than one.

The incoming wires should then be connected to the appropriate output terminals once again using a solder or a connector. Moving clockwise, the first component or circuit in the chain should be connected to the first terminal, followed by the second component or circuit.

New Items

New items

SRRN151800, Alps Alpine

Alps SRB / SRR Series Rotary Switches Features and Benefits Non shorting changeover timing Number of wafer, 1 Rotational Torque 30±3° Note Actuator length 15mm or 20mm

Product Detail

New items

50D60-01-1-AJN, Grayhill

50 & 51 Series Single Deck Rotary Switches The 50 & 51 Series of single deck rotary switches from Grayhill are rugged in design to ensure switch operation for the lifetime of your equipment. This series of rotary switch offer a variety of circuit options and feature positive shaft grounding to ensure EMI/RFI shielding. Features: Optional Complete Seal for PC Board Assembly and Cleaning Capable of Switching 200mA Option of 22.5°, 30°, 36°, 45°, 60° and 90° Angles of Throw 1 to 4 Poles Available Up to 16 Positions Per Switch PC or Solder Lug Connection

Product Detail

New items

SRRN134300, Alps Alpine

Alps SRB / SRR Series Rotary Switches Features and Benefits Non shorting changeover timing Number of wafer, 1 Rotational Torque 30±3° Note Actuator length 15mm or 20mm

Product Detail

New items

MRY106G, NKK Switches

The NKK Switches rotary switch has SP6T contacts. This product belongs to MR series. Its useful temperature range for operation is between -10 to +70 °C. Positive detent mechanism for distinct feel and audible feedback Metal bushing and housing construction increases durability Adjustable stopper plate allows 2-8 position setting High contact reliability achieved by the self cleaning contact mechanism

Product Detail

New items

MTS-11-80, Lorlin

Subminiature TO-5 Rotary Switch Compact rotary switch in a convenient 9.2mm diameter TO-5 package High current rating for size (500mA @ 24Vdc) Ideal for isolating applications 45° indexing, positive action Available in flush slot or spindle-operated versions Single pole up to 7 break-before-make positions + NC Mechanical life >5000 operations Operating temperature -30°C to +65°C (MTS -20°C to +65 °C) Contact resistance Contact material brass CZ108 Au plated PCB Mounting Footprint/pin spacing: 2.54mm between pins and 5.08mm between rows

Product Detail

New items

MRJE2604, TE Connectivity

Miniature Rotary Switches, IP67 Miniature enclosed rotary switches which are protected to IP67 The gold plated-plated nickel break-before-make contacts have a wiping action to ensure long and reliable life. Screwdriver slot on the shaft end allows use without knob Applications include communication and portable test/monitoring equipment Suitable for dry circuit switching Panel or PCB mounting Panel cut-out: Ø6.4mm Shaft: Ø3.30mm; Length: 19mm

Product Detail

New items

PT6510, Lorlin

PCB Switch Kit A rotary switch mechanism with adjustable stop which will take up to a maximum of five extra wafers from the variety available A spacer kit is available to maintain a 6.35mm pitch between individual wafers Terminal spacing is on a 2.54mm pitch. The switch is supplied fitted with a non-interchangeable drive wafer Shaft diameter 6mm All wafers are break before make Note The 'spacers' contain a selection of items - qty 10 spacers, qty 2 front insulators, qty 1 rear driver shafts, qty 1 retaining strap, qty 2 tie rods, and qty 2 push-on fixings.

Product Detail

New items

BCK1002, Lorlin

Binary Coded Rotary Switch - BCK & BCKS (IP65) Series Lorlin BCK and IP65 sealed BCKS binary coded rotary switches. These panel mount, binary coded rotary switches have silver plated contacts and are available with an option of adjustable rotation limit stops (restricts number of positions) or non stop continuous rotation. Features and Benefits: Contacts rated 150mA @ 50Vac/dc PCB terminals Proof voltage 250Vac UL-VO rated 27.5mm diameter body Binary coded hexadecimal, code 033 22.5º indexing Adjustable stop and continuous rotation options Metric shaft 50mm long, 6mm diameter spindle with no flat for easy mounting of collet knobs. The bush is 8mm long with a M10x0.75mm thread Note The BCKS series are sealed to IP65, see stock numbers 733-5063 , 739-2915 , 739-2924 and 733-5072 .

Product Detail

New items

CK1050, Lorlin

Midget Wafer Switch - CK Series A metric selection of Lorlin CK rotary switches with various switch configurations. These panel mount, single wafer rotary switches have silver plated contacts and adjustable rotation limit stops, apart from stock number 739-2921 which featurers a non stop continuous rotation. Contacts rated 150mA @ 250Vac/dc PCB terminals Proof voltage 1500Vac UL-VO rated 27.5mm diameter body 30º indexing Non-shorting BBM (break before make) contacts Adjustable stop and continuous rotation options Metric shaft 50mm long, 6mm diameter spindle with no flat for easy mounting of collet knobs. The bush is 8mm long with a M10x0.75mm thread Note For solder terminal versions see stock number 739-2930 typically.

Product Detail

New items

MR 1-10, KNITTER-SWITCH

Knitter Switch Miniature Rotary Switches - MR Series Panel mount miniature rotary switches 1/4" mounting bush Nickel plated brass shaft Silver contacts Contact resistance Insulation resistance >100MΩ at 500Vdc Dielectric strength 1000V 50Hz for 1 minute Non-shorting contact

Product Detail

New items