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For other uses, see Switch (disambiguation).

A switch is a device for changing the course (or flow) of a circuit. The prototypical model is a mechanical device (for example a railroad switch) which can be disconnected from one course and connected to another. The term "switch" typically refers to electrical power or electronic telecommunication circuits. In applications where multiple switching options are required (e.g., a telephone service), mechanical switches have long been replaced by electronic variants which can be intelligently controlled and automated.

The switch is referred to as a "gate" when abstracted to mathematical form. In the philosophy of logic, operational arguments are represented as logic gates. The use of electronic gates to function as a system of logical gates is the fundamental basis for the computer—i.e. a computer is a system of electronic switches which function as logical gates.

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#Florida #Gators pick up their third Palm Beach Gardens Dwyer High commitment as Robert Clark switches from #WVU http://bit.ly/12SepK
OS_Recruiting (Sentinel Recruiting) Fri, 18 Dec 2009 03:52:36 -0000
#Florida #Gators pick up their third Palm Beach Gardens Dwyer High commitment as Robert Clark switches from #WVU http://bit.ly/12SepK
bah, office isn't getting finished tonight. started wiring up new light switches and have things all f'd up now... fun times (not)
christoc (christoc) Fri, 18 Dec 2009 03:47:14 -0000
bah, office isn't getting finished tonight. started wiring up new light switches and have things all f'd up now... fun times (not)
Windows Beginner Tip : Alt-Tab switches quickly between open applications
SpeakingTech (Speaking Tech) Fri, 18 Dec 2009 03:45:54 -0000
Windows Beginner Tip : Alt-Tab switches quickly between open applications
RT @melcoach: is it geeky if I want clappers for my light switches? You know..."clap on, clap off?"«I think that in bed each pm»
TravelinChatter (TravelinChatter) Fri, 18 Dec 2009 03:43:02 -0000
RT @melcoach: is it geeky if I want clappers for my light switches? You know..."clap on, clap off?"«I think that in bed each pm»
Then the rest of you can skip town, but the intern will be around to flip switches at HQ, ALLOWING ME TO EARN YOU EVEN MORE $$$. #AMAZONFAIL
socktopi (Jason Van Glass) Fri, 18 Dec 2009 03:40:22 -0000
Then the rest of you can skip town, but the intern will be around to flip switches at HQ, ALLOWING ME TO EARN YOU EVEN MORE $$$. #AMAZONFAIL
@21SS i use my chin to turn off light switches :S
mzteaza (Christina G) Fri, 18 Dec 2009 03:37:09 -0000
@21SS i use my chin to turn off light switches :S

 
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APEM Components, Inc. - Manufacturers of a range of panel, toggle, rocker, lever, push button, slide, tact, key, dip, rotary dip, micro limit, push wheel, and industrial switches.
Meta Description: [ APEM is a leading worldwide manufacturer of miniature, subminiature and industrial switches and control knobs. We offer exceptional quality and service at competitive prices. We carry the highest quality keypads, our keypads are top quality just as our products include keypads and switch panels a... ]

ASA-Schalttechnik GmbH - Manufacture a wide range of limit switches, rotary switches, foot switches, and safety switches. Conform to DIN and IP standards. Catalog to be requested for. Based in Germany.
Meta Description: [ No matter what kind of switch you are looking for: Contact us for limit switches, foot switches, switch gears, magnetic switches or level sensors. ]

Baco Controls, Inc. - Manufacturer of push button switches, disconnect switches, and cam switches. All catalog pages only in PDF.

Behlke Electronic GmbH - Manufacturer of fast high voltage solid-state switches for pulsed power applications.

C3 Controls - Manufacturer of a wide range of push buttons, selector switches, pilot lights, and terminal blocks.
Meta Description: [ c3controls : everything under control. Manufacturer of a wide range of push buttons, selector switches, pilot lights, and terminal blocks. Online configuration of over 235,000 items. ]

Canadian Shunt Industries Ltd - Manufacturer of DC shunts, knife switches, and telecom fused disconnect switches. Product catalog in PDF.
Meta Description: [ For over 30 years, Canadian Shunt Industries has been supplying North American industry and the world with the largest and widest selection of DC Ammeter Shunts available anywhere, as well as Isolation Knife Switches and Telecom Power Fused Disconnects. ]

Ceko Product Corporation - Distributor of switches and electromechanical components and an assembler of panels.
Meta Description: [ ceko products corporation offer some outstanding quality in switches ]

Chiefdom Electronic Co., Ltd. - Manufacturer of PCB mountable rotary, slide, push and tact switches, stereo audio controls, and PC USB hubs. Based in Taiwan.

Chily Precision Industrial Co., Ltd. - Manufacture of rocker, toggle, push, trigger, slide, rotary switches, voltage selectors, and power sockets. Based in Taiwan.
Meta Description: [ Chily Precision Industrial Co., Ltd.©_¥ßºë±K¤u·~ªÑ¥÷¦³­­¤½¥q WE ARE A MANUFACTURER SPECIALIEST IN POWER SUPPLY SWITCHES, POWER SUPPLY SOCKETES,SUCH AS TOGGLE (SNAP)SWITCH, ROCKER SWITCH, SLIDE SWITCH, FAN COIL UNIT, PUSH SWITCH,TRIGGER SWITCH, IN-LINE SWITCH, ROTARY SWITCH, VOLTAGE SELECTOR SWITC... ]

Clef Elektronik Consulting GmbH - Manufacturer of key-operated switches.
Meta Description: [ CLEF produces key operated switches ]

Cole Instrument Corp. - Manufacturer of customized rotary switch and optical encoder mechanisms. Based in the USA.
Meta Description: [ For Thirty-Seven Years the Industry Leader in Customized Rotary Switch Mechanisms for Virtually All Commercial, Aerospace, and Military Applications. ]

Comeletric - Manufacturer of rotary switches, discrepancy switches, and cross indicators.
Meta Description: [ produttore di commutatori rotativi, manipolatori di comando e segnalatori a croce, comeletric is manufacturer of rotary switches, discrepancy switches and cross indicators ]

Control Concepts, Inc. - Manufactures UL approved electro mechanical, electronic and proximity zero speed switches. USA.
Meta Description: [ Control Concepts, Inc. is a manufacturer of shaft driven electromechanical, electronic and proximity zero speed switches. ]

Control Products Inc. - Manufactures a line of sealed, waterproof switches and a variety of thermal switches.

Crabtree Electrical Accessories S.A - Manufacturer and supplier of electrical accessories in Southern Africa. Products include sockets, switches and allied products.

Craig and Derricott Limited - Manufactures safety, machine, power and control switches, control stations, disconnectors, isolators, turnkey solutions, switches and push buttons. From UK.
Meta Description: [ High quality switchgear solutions to meet all of your low voltage safety & control requirements. Including changeover- and fuse-switch-disconnectors, pushbuttons, rotary switches, control & pushbutton stations, safety and limit switches and Footswitches ]

CraneDorray - Manufacturer of heavy duty pull switches.

Crusader Industries Ltd. - Manufacturers of protective covers for push button control stations and switches.
Meta Description: [ Manufacturers of standard and custom protective covers for electical push button stations. ]

CW Industries - Manufacturer of rocker switches, slide switches, push button switches, high current slide switches, and a range of connectors with MIL standards. Data sheets in PDF.
Meta Description: [ Switches, connectors, custom product; vertically integrated company: all design and manufacturing in-house using fully automated production. Competitive pricing, very responsive service, full custom program capabilities. ]

Dailywell Electronic Co., Ltd. - Manufacturer of PCB mountable toggle, rocker, slide, push button, and rotary switches. Competitor cross reference chart included.

Datex Instruments, Inc. - Manufacturer of selector switches, encoders, slip ring assemblies, flush circuits and flexible circuits. Information on encoders and flush circuits to be added shortly. Based in the USA.
Meta Description: [ Datexusa has been a hi-tech electronics manufacturing facility with state-of-art equipment, thumbwheel switches, C&K Switches, pushwheel switches, cherry switches, leverwheel switches, miniature thumbwheel switches, subminiature precision snap-acting, metal cased precision snap-acting ]

Delta Systems Inc. - Manufacturer of push-button, key ignition, emergency stop, momentary, push-pull, seat, and water proof switches. Panel and PCB mountable types.
Meta Description: [ Safety Switches and Electronics for Demanding Environments ]

Digitran Low Profile Switches - Manufacturer of standard and very low profile rotary and thumbwheel switch products for the military and aerospace markets.
Meta Description: [ Digitran is also able to easily customize the rotary switch to meet almost any configuration a customer could possibly need. The new Very Low Profile(R) Rotary Switch can also be used to replace existing rotary switches. ]

E-Switch - Manufacturer of detector, dip, keylock, leaf, push button, rocker, rotary, slide, snap action, tact, and toggle switches. Includes competitor cross reference sheet.
Meta Description: [ E-Switch offers quality electromechanical switches for the electronics, computer peripheral, test equipment, automation markets ]

eao - Manufacturer of a wide range of general purpose, oil and water tight, keylock, dip, toggle, emergency, and tact switches. Have distributors world wide.
Meta Description: [ Switches, EAO industrial switches, 8mm 16mm 22.5mm 30.5mm switches, pushbuttons, emergency stops, rotary switches, selector switches, sub-miniature switches, keylock switches, rugged keyboards and security PIN-entry keypads and custom-built control panel ]

Electro Cam Corp. - Designs and produces programmable limit switches (PLS), electronic cam switches, encoders, resolvers and accessories for position sensing and control applications. Specifications sheets in PDF.

Electro Switch Corp. - Manufacturer of rotary switches, miniature switches, and custom design electromechanical devices. Includes cross reference sheet of other switch manufacturers.
Meta Description: [ Electroswitch is the leading manufacturer of electronic rotary switches, miniature switches, solenoids, encoders, and custom design electromechanical devices. ]

Elmeco - Manufacturer of rocker, toggle, micro, trigger, slider, and door switches. Based in India.
Meta Description: [ Manufacturing Of Switches, Electrical Switches, Industrial Switches, Rocker Switches, Toggle Switches, Micro Switch, Mini Rocker Switches, Door Switch, Terminal Block, Pilot Lamp, Trigger Switches, Push Button, Terminal Block, Rocker Switches, Toggle Switches, Mumbai, India ]

Enrwey Co., Ltd. - Manufacturer of tact, hook, toggle, slide, and rocker switches, and plugs and fuse holders. Based in Taiwan.

Entrex Door Controls Inc. - Manufacturer and distributor of switches, relays, sensors and accessories to the automatic door market
Meta Description: [ Entrex Door Controls Inc. Supplier of Automatic Door Products in Canada ]

ERG Components - Manufacture switches of every description including rotary, jumpers, relays and multicoders. Data sheets in PDF. From UK.
Meta Description: [ ITW Erg Components has been manufacturing electrical and electronic products in the U.K. since 1942. Excellence in Design,Excellence in manufacure , Excellence in Production ]

Euchner-USA, Inc. - Manufacturer of wide range of safety switches, non-contact switches and limit switches.
Meta Description: [ Safety Switches, Limit, Non Contact switch, modules and relays, pendant stations, design type 1, design type 2, non-contact safety switches, magnetic non contact switches, inductive non contact switches, safety relays, safety modules, category 4 EN954-1 cat 4, category 0 1 EN60204-1 cat 1 cat 0, ... ]

500 Flame-Tech Engineers - Distributor of FCG Power Industries flame proof and weatherproof electrical equipments.

GAMA Electronics, Inc. - Manufacturer of rocker, push button, keylock, conductive rubber, snap action, capacitive and rotary switches, automotive electrical accessories and relays, and remote controls. Data sheets in PDF.

Grayhill, Inc. - Manufacturer DIP, pushbutton and rotary switches, optical and mechanical encoders, keyboards and keypads, I/O modules and racks, controllers, wireless radios, and custom electronic manufacturing.
Meta Description: [ For 63 years, the industry leader in customizable DIP, tact, pushbutton, rotary and encoder switches; keypads and front panels; control and I/O systems, and rugged mobile computers for industrial and military applications. Latest product specs, news and more. Call Grayhill at 708-354-1040. ]

Hamilton Electronics Private Limited - Manufacturer of float switches, magnetic and inductive proximity switches, and reed relays.
Meta Description: [ Hamilton Electronics - Magnetic switches, magnetic switch manufacturer, magnetic switches suppliers, magnetic switch exporters, magnetic switches manufacturers, magnetic switch india, security magnetic switches, magnetic switch, magnetic float switches, recessed mount switch, surface mount switch... ]

Herga Electric Limited - Specialist for air and foot switchs, sensors, infra red controls and safety switching needs.
Meta Description: [ Specialist footswitch, airswitch, pressure and vacuum switch and hand control manufacturer for OEM's worldwide. Extensive experience and knowledge of International Standards. ]

ITW Switches/ Fastex Asia Limited - Manufacturer of snap action, push button, rocker, sealed, slide, and mini PCB switches, electrical insulators and barriers, and panel latches. Also a dealer for Mascon connectors. Based in Taiwan.
Meta Description: [ ¦w¤Ñ¼w¦Ê¹qªÑ¥÷¦³­­¤½¥q±M·~©ó«ö¶s¶}Ãö, ¼·½X¶}Ãö, IJºN¶}Ãö, ¨¾¤ô¶}Ãö, Áp±µ¥ó, ¦©¨ã, ·L°Ê¶}Ãö , ºò©T¥ó, ³sµ²¥ó, ¹g¥ó, Áp±µ¥ó, «ö¶s¶}Ãö. ]

500 Jietong Electronic Co., Ltd. - Manufacturer of toggle, rocker, push button, automobile, rotary, micro, and slide switches. Most of the switches conform to TUV and CE standards. Based in China.

Judco Manufacturing Inc. - Manufacturer of push button switches, rocker switches, slide switches, toggle switches, and other custom switches. Also wire harnesses and bulb sockets.
Meta Description: [ Judco is your #1 choice for switches, wire harnesses and custom design. ]

kA Switch - Manufacturer of high current switches and flexible jumpers.
Meta Description: [ Kilo Ampere Switch Corp, Custom high Current Switches for Shorting, Disconnect Switch, transfer isolation interrupters Load break multi-pole pneumatic. Used in mining chemical refining rectifiers busbar etc. Fixed portable outdoors ISO9001 Retrofitting of vacuum switches transfer switch. ]

Lamb Industries Inc. - Manufacturer of rocker switches, dip switches, snap action switches, tactile switches, rotary switches and toggle switches. AutoCAD format DWG drawings available. UL and CSA approved products.
Meta Description: [ A leading switch manufacturer since 1979. We specialize in DIP Rotary Switches, DIP Switches, Electromagnetic Switches, Float Switches, Pressure Switches, Pushbutton Switches, Rocker Switches, Rotary Switches, Safety Switches, Signal Lights, Slide Switches, Tactile Switches, Toggle Switches, and ... ]

Leach International Corporation - Design and manufacturer of electrical switching and control devices for the aerospace and rail industries.
Meta Description: [ Leach International - Relays, Power Distribution, Solid State Relays, Voltage Regulators, Electronic Relays, Contactors, Aircraft Switches for aerospace, military, rail, and high-end industrial applications. ]

Legion Electronic Co., Ltd. - Manufacturer of push, slide, rocker, and rotary switches. UL and CSA approved. Based in Taiwan.

Linemaster Corp. - Manufacture of a range of foot switches. All switches can be CE marked.

Longvale Ltd - Products include inductive and capacitive proximity switches, limit switches, explosion proof and intrinsically safe sensors. CE marked.
Meta Description: [ Longvale Ltd supplies the widest range of quality industrial sensors to the U.K. Europe and the rest of the world ]

Marquardt - Manufacturer of appliance switches, key modules, snap action switches, and power tool switches with a range of approvals such as UL.
Meta Description: [ Producer of electromechanical and electronical switches and switching systems ]

Mehta Engineering Enterprise - Indian Switch Manufacturer - Manufacturer of tact, push Button, key and water proof switches. Based in India. Data sheets in zip format.
Meta Description: [ Tact Switch, Tactile Switch, Push Button Switch, Sealed Switch, Key Switch, Hook Switch, Keytops, Knobs, Ganged switches, manufacturer of switches, switches, switch, push button switches, hook switches, tact switches, push button switches, key switches, switch parts, switches manufacturing, india ]

Merchant Corporation Ltd - Manufacturer of rocker, rotary, push, toggle, slide, and micro switches, control knobs, fuse holders, and AC sockets. UL, ENEC, KEMA, VDE approved products. Based in Hong Kong.

Micro Pneumatic Logic, Inc. (MPL) - Manufacturer of pressure switches for appliance, heating, medical, automotive, and other OEM equipment designers.
Meta Description: [ Designing and fabricating precision pressure switches, vacuum switches, differential pressure switches and sensors for every pressure sensing needs. ]

Microprecision Electronics SA. - Manufacturer of switches and microswitches. CE approved. Based in Switzerland.
Meta Description: [ Microswitches and sealed position switches ]

MOS Group - Manufacturer of a side range switches for domestic appliance with UL, CSA and other approvals. Based in Italy.
Meta Description: [ MOLVENO OEM SERVICE - mos group, leader europeo nella produzione e distribuzione di pressacavi plastici e metallici ed fasteners plastici per il cablaggio elettrico ed elettronico come fascette in nylon, serracavi, supporti per fascette, lacci, fermacavi e fermatubi, passacavi in gomma, dist... ]

Ningbo Master Soken Electrical Company Limited - Manufacturer of rocker, push, panel, and rotary switches. VDE and UL approved. Based in China.

NKK Switches, Inc. - Manufacture a wide range of illuminated, rocker, slide, tactile, LCD programmable, keylock, rotary, surface mount, and toggle switches. UL, CSA, IEC, VDE approved products. Distributors worldwide.
Meta Description: [ NKK Switches is your premier supplier of toggle switches, slide switches, pushbutton switches, push button switches, tactile switches, surface mount switches, miniature toggle switches, rocker switches, programmable switches, lcd programmable switches, subminiature switches, keylock switches, dip... ]

Oslo Switch - Manufacturer and supplier of rocker switches, push button switches, keylock switches, weather proof and dust tight switches. UL, CSA, VDE approved products.
Meta Description: [ Complete line of electrical and electronic switches for OEM's. Board-Mount, weatherproof, dust-tight, standard and miniature switches. ]

OTTO - Manufacturer of push button, toggle, rocker, pendant, and slide switches, microphones, head sets, and cellular accessories.
Meta Description: [ OTTO Engineering is comprised of two divisions OTTO Controls and OTTO Communications. OTTO Controls designs and manufactures a full line of switches and grips used in heavy equipment, aerospace, marine, medical and other demanding applications. OTTO Communications designs and manufactures audio a... ]

PresAirTrol - Manufactures quality pressure and vacuum switches, foot switches and pedals, air switches. Shockproof, waterproof pneumatic and electric switching devices. UL, CSA recognized.
Meta Description: [ Presair manufactures high quality, UL and CSS approved switches and digital electronic controls. ]

Pronic Electronics - Manufacturers of rocker switch, push switch, toggle switch, slide switch, and inlet socket. UL, CSA,VDE recognized amongst others. Based in China and Taiwan.
Meta Description: [ Pronic Electronics is a leading manufacturer and exporter of toggle switches, slide switches, pushbutton switches, miniature toggle switches, rocker switches, DIP switches, sockets and connectors in the Asia Pacific region. We offer exceptional quality and service at competitive prices. Our pr... ]

Ruey Shen Electronics Inc. - A manufacturer of dip switches with product and contact information.
Meta Description: [ Reson is a professional manufacturer of dip switches, offering High Value dip switch sets for use in a wide range of industries. All dip switches are rigorously tested before shipment. ]

Salecom Electronics Co., Ltd. - Manufacturer of toggle, rocker, slide, push button, dip, tact, and sealed switches.
Meta Description: [ manufacturer of toggle switch, rocker switches, slide switch, push botton switches, electrical switch, dip switch, tact switches, SMD switch, CAS switch, UL switch, miniature rocker switch, power rocker switches. ]

See-Plus - Manufacturers of low voltage slide, knob, push, tact, micro, leaf and hook switches, and jacks. Based in Hong Kong.
Meta Description: [ Slide Switch, Side Knob(Horizontal) Switch, Miniature Slide Switch, Bottom Knob Slide Switch, Push Switch, Push Button Switch, Toggle Slide Switch,... ]

Senasys Controls - The coordinated manual controls (CMC), and PTC contact block lines originally developed by Honeywell are now supported by SENASYS
Meta Description: [ Manufacturer of a wide range of Industrial Controls. The coordinated manual controls (CMC), and PTC contact block lines originally developed by Honeywell are now manufactured by Senasys. View our latest product line; the PT, PM, PW and PW2 switches and indicators developed by GE ]

Shallco - Manufacturer of precision rotary switches, 10A and 30A detented power switches and snap action switches.

Shanpu Limited - Manufacturer of push button, tactile, toggle, rotary, and key lock switches, and indicators. Based in Taiwan.

Shinden Co., Ltd. - Manufacture of toggle, lever, slide, rocker, push, rotary, pull chain, keyboard, limit, and key switchs with product information in English and Japanese.
Meta Description: [ Shinden Co., Ltd. Switch Web ]

Siber America, Inc. - Manufacturer of rotary, rocker, infinite, slide and push button switches, and thermostats, motors, and heating elements.
Meta Description: [ SIBER America continues to be a strong force in the NAFTA marketplace offering custom and standard electronic controls, a broad range of switch products, thermostats, indicators, motors, and heating elements. SIBER America supports our varied global customers with a team of sales, customer servic... ]

Sigma Switches Plus, Inc. - Manufacturer and distributor of dust resistant rocker switches with self cleaning contacts for the appliance, automotive, marine, computer and electronics industries.

Snaptron, Inc. - Manufactures tactile dome switches and tactile dome assemblies. Custom domes and arrays are created through a sophisticated tooling process. Serves the membrane switch and related switch industries.
Meta Description: [ Specializes in the manufacturing of tactile dome switches and tactile dome assemblies. Design and manufacturing of tactile domes and arrays for membrane and momentary switches, custom domes, and arrays from Snaptron Inc USA. ]

Sungjin Techwin Co., Ltd. - Manufacture of micro, push button, telephone hook, slide DIP, leaf, tactile, power, door, skeleton, and slide switches, and ultra thin, rotary, and slide potentiometers. From South Korea.

Supreme Exim Corp. - Manufacturer of switches and other components for video games. Including illuminated push buttons, microswitches, power supplies, and joystick control.
Meta Description: [ we are the manufacturer of video games parts-push button,switch,cable trees,joystick,led lamp,power supply,coin meter and games accessories in China,Taiwan. ]

Suzhou Nova Elecrtonic Company - Manufacturer of a wide range of push button, rocker, keyboard, slide, rotary, micro, and miniature switches. Based in China.

Top Worx - GO switch manufacturers leverless limit switches, proximity sensors, switches and switchboxes. UL, CSA recognized, amongst others.
Meta Description: [ TopWorx is the leader in field networking, valve control, and position sensing solutions for the process industries. We support the FOUNDATION Fieldbus, AS-Interface, DeviceNet, Profibus, and Modbus protocols. ]

Uen Woen Enterprise Co., Ltd. - Manufacturer of push button, rocker, toggle, and micro switches. Based in Taiwan.
Meta Description: [ We are professional maker and seller of switch. All items are produced under an integrated R D and comprehensive process, which enables us to offer competitive price and on-time delivery. We regularly develop new products to keep up with the market trend and to meet by our customersÂ’ needs. Cust... ]

Vasto Taiwan Co., Ltd. - Comprehensive source for control components and electrical equipment.
Meta Description: [ Vasto Taiwan Co., Ltd. -- manufacturer of switches, Circuit Breaker & Contactors, Panel Meters & C/T, Timers & Temp. Controllers, Pilot Lamps, Solenoids, Alarm Bells, Footswitches, Terminal Blocks, on Taiwan ]

Wenzhou Qingtai Electric Co., Limited - Manufacturer of industrial switches, plugs and sockets. Products conform to CE.

Zhejiang Huanghua Switch Factory - Manufacturer of the switches, high and low voltage switch equipment. From China.

500 Zippy Switch Tech. Corp. - Manufactures switches, micro switch, power supply, keyboard, precision, ceramics. From Taiwan.

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