Bomara Associates - Chelmsford, MA
Distributor, Manufacturers' Rep, Service Company
Distributor and mfr's rep. of remote A/B fallback switches. Types include network ready physical layer and automatic UTP switches. Various features include three individually controlled RJ-45 circuits, IP and password security, signal monitoring, selected position with power offs and Ethernet control and console ports.
Brand Names: WTI
www.bomara.com/WTI/abswitch.htm

Dow-Key Microwave Corp. - Ventura, CA
Manufacturer, Custom Manufacturer
ISO 9001:2000 & AS 9100 certified custom manufacturer of RF switches including A/B switches for commercial, military communication systems, air traffic control, medical equipment, cellular, wireless & aerospace applications. Electromechanical, transfer, multiposition, coaxial, matrix & single pole, double throw (SPDT) switches are also available. A/B switches are also suitable for PCS, PCN, GPS, 2-way & paging radio, test equipment, commercial airlines & satellite communication. Meets MIL-Q-9858A/MIL-I-45208 standards. RoHS compliant.
www.dowkey.com/product_search.php

Cyber-Tech, Inc. - Beaverton, OR
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2000 certified custom manufacturer of industrial switches including pushbutton, rocker, toggle & specialty switches. Pushbutton & rocker switches feature die cast aluminum construction, 15/32-32 threaded bushings & are available as 120vAC & 30vDC in either 5 or 10amps packages.
www.cyber-tech.net/index.cfm?fuseaction=pro...

Electro Standards Laboratories - Cranston, RI
Manufacturer, Custom Manufacturer, Service Company
Designer & manufacturer of standard & custom copper and fiber optic A/B switches with Ethernet for industrial computers. Switches are available with automatic fallback, IP addressable, code operated, automatic sensing, KVM, CAT5, CAT5e, multiple channels and interfaces. Features include 100/240 VAC, 50/60 Hz power supply, LED displays, front-panel pushbuttons, remote interfaces, shielded aluminum enclosures & controls.
Brand Names: ESL
www.electrostandards.com/Search/?keyword=A%...

Custom Computer Cables, Inc. - Garland, TX
Manufacturer
Manufacturer of A/B switches.

Lee Engineering - Glendale, WI
Distributor, Manufacturer, Custom Manufacturer
Manufacturer & distributor of industrial electric power components including A/B switches, mechanical switches & mill switches. Switches are available in foot operated types. Products meet NEMA & UL® standards.

Vacumetrics, Inc. - Ventura, CA
Distributor, Manufacturer
Manufacturer of A/B switches in male & female DB-9 & DB-15 models.

L-Com - North Andover, MA
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2000 certified custom manufacturer & distributor of switches including A/B, coaxial & fiber optic switches used in local area networks. Types include desktop & rack mount switches. Products are UL® listed. On-time delivery available.

Relay Service Co. - Chicago, IL
Manufacturer, Custom Manufacturer
Custom manufacturer of A/B & actuating switches for electronics & commercial applications. Types of switches include stepping & electric switches. Specifications of switches include AC operation up to 277 VAC. Features of switches include solder lug coil terminations & 0.187 in. wired leads.

Digalog Systems, Inc. - New Berlin, WI
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified manufacturer of Ethernet-controlled differential A/B switches. Specifications of switches include 150 VDC maximum switching voltage, 0.5 A maximum switching current, 10 W maximum switching power, 47 Hz to 63 Hz frequency & 60 W maximum power. Features include 50 independent two-input differential channels with A, B, AB & disconnect modes. Meets ANSI/ESD 20.20, IPC & IEC-61010-1 standards.

Grainger Industrial Supply - Locations
Distributor
Distributor of a very wide range of switches including electrical, HVACR, pump, lighting, power tool, motor, outdoor equipment, pneumatic, material handling, safety, automotive, cleaning, fleet/vehicle maintenance, hydraulic, plumbing, power transmission, security, testing & welding switches. Services include 24-hour emergency order response services, inventory management services, safety services, repair and replacement programs, hazardous recycling services and storage/material handling equipment services. 1 year warranty.
Brand Names: Acme

Peerless Electronics, Inc. - Bethpage, NY
Distributor, Custom Manufacturer
Circuit Breakers, Relays, Switches. Authorized Stocking Distributor For Eaton-Cutler Hammer, Heinemann, Micro Switch, Texas Instruments (Klixon®), Omron, Potter

Wti Inc - Irvine, CA
Manufacturer
Manufacturer of A/B fallback switches.

LEDEX-Johnson Electric - Vandalia, OH
Manufacturer, Custom Manufacturer, Service Company
ISO/TS 16949:2002, ISO 14001:1996 & ISO 9001:2000 certified manufacturer of A/B switches.

Honeywell Sensing and Control - Golden Valley, MN
Manufacturer, Custom Manufacturer
Six Sigma capable & AS 9100, ISO 14001, ISO 9001, TS 16949, & QS 9000 certified manufacturer of switches including air operated switches, current or voltage actuated switches, conductivity switches, crash switches, & A/B switches. Features include gas-tight seal, light weight, & repeatability. Applications include heating systems, process pipes, feeder pipes, vessels, valves, conveyor systems, & marine power generation. Industries served include appliances, automotive, industrial sensing & control, aerospace, ordnance & marine, information technology, & test & measurement.

All Current Electrical Sales - Pennsauken, NJ
Distributor
Distributor of A/B switches. A full line of electrical construction products are also available including conduit bodies, fittings, controls, circuit breakers, explosion proof boxes, plugs, receptacles, switches, safety switches, enclosed breakers, MCC buckets, fuses, control stations, pilot lights, cast junction boxes, enclosed motor controls & renewal parts.
Brand Names: AMP, ASCO, Adalet, All Current, Allen-Bradley, Appleton, Crouse-Hinds, EGS, Ferraz Shawmut,...

Belkin International, Inc. - Playa Vista, CA
Distributor, Manufacturer, Service Company
Computer Cable Assembly Service

Cornet Technology Inc. - Springfield, VA
Manufacturer
Manufacturer of communication products.

Masline Electronics, Inc. - Rochester, NY
Distributor, Custom Manufacturer
ISO 9001:2000 certified distributor of switches including A/B switches, liquid level switches, liquid level (modular construction) switches, liquid level tank switches, & automatic electric tank switches. Materials used include aluminum. Accessories include nut sealing ring. Services include JIT delivery, project specified sorting, inspection & testing, packaging, & 24 hour emergency service. Industries served include medical, aircraft, automotive, & telecommunication.
Brand Names: APEM, Alco, Alps, Coto, Crouzet, GC Electronics, Marquardt, NKK Switches, NTE, Schurter,...

PICS INC - Malvern, PA
Manufacturer, Custom Manufacturer
Manufacturers rep. of switches including A or B switches. Products include snap-action switches, limit switches, gap switches & capacitance switches. Applications include flow measurement & level measurement. Markets served include process instrumentation, automation & controls.

Cables & Chips, Inc. - New York, NY
Manufacturer, Custom Manufacturer, Service Company
Manufacturer Of All Types Computer Cables Including Custom In Any Length;

Erin Electrical Enterpises, Inc. - Boca Raton, FL
Distributor, Custom Manufacturer
Distributor of lighting fixtures.

Indak Mfg. Corp. - Northbrook, IL
Manufacturer, Custom Manufacturer
Automotive Parts & Components, Electrical & Electronic Components, Marine Components & Hardware, Resistors, Switches, Product Packaging Services

Elma Electronic Inc - Fremont, CA
Manufacturer, Custom Manufacturer
Switches Designed For Low Voltage Applications. Rotary, Push-Button, BCD, Toggle, Keylock, SMT, Audio Attenuate, Custom

Jolo Industries - Garden Grove, CA
Manufacturer, Custom Manufacturer
Manufacturer Of Terminal Blocks, Electronic Connectors, Sockets