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Airpax Power Protection Products - http://www.airpax.net/ Designs and manufactures magnetic circuit breakers and related products for telecommunications, industrial, power conditioning, HVAC, and information processing applications.

Arc Fault detection - http://www.arcfault.org/ Information site about Arcfault detection systems, the site providing information on the causes and prevention thereof.

Bender Inc. - http://www.benderrelay.com Industrial protection for measuring voltage, current, phase loss, phase reversal, frequency and other conditions in AC and DC systems up to 690V.

BONEGA Velkoobchod spol. s.r.o. - http://www.bonega.cz/ Development, production and distribution of electrical installation devices, miniature circuit breakers, residual current devices, and switches.

Circuit Breaker Industries Ltd - CBI - http://www.atc.co.za/ Manufacturer of miniature and moulded case circuit breakers for overload and short circuit protection. From South Africa.

Controlab Inc. - http://phaselossprotection.com Canadian manufacturer of phase failure and ground fault monitors.

Cutler-Hammer, Inc - http://www.fireguard.info Manufacturer of circuit breakers, conductors, interrupters, surge protectors and breaker boxes.

Den Mar Industrial Fuses - http://www.denmarfuses.net/ Electrical fuse manufacturer specializing in hard to find and custom made fuses. They also manufacture equivalents to all major brands.

Dianxing Electrical Appliance Industry Co., Ltd. - http://www.dianxing-kebo.com/ AC voltage regulator manufacturer and exporter in China that supplies AC voltage regulators.

EFEN Engineers - http://www.efen.com Manufacturer of electrical, power and industrial fuses.

Electrical Designer's Reference - http://www.edreference.com Fault current calculator, motor circuit design and protection.

Electromotor Protection Co.,Ltd - http://www.mingyang.com.cn/ Manufacturing electric protection unit control, for circuit, transformer and electromotor protection, electric transducer and bus monitor control.

Ferraz Shawmut, Inc. - http://www.ferrazshawmut.com/ Develops and manufactures fuses, blocks and switches. Product specifications, news, and details of employment opportunities.

Fuse Holders Corp - http://www.fuseholders.com Manufacturer of various fuse holders and clips.

Gamma Fuses - http://gammafuses.com Distributor based in Florida USA, Gamma is a specialist fuse supplier of industrial fuses, and accessories.

Hepol Electric Enterprise - http://www.c45n.com/ Manufacturer of circuit breakers, contactors, fuses, relays, distribution boards and sockets plugs. from China.

Hi-Tech Fuses, Inc. - http://www.hi-techfuses.com/ Manufacturer of high-voltage current-limiting fuses, including backup and full-range types, for protecting electrical distribution equipment.

Hinode Electric co., Ltd. - http://www.hinodedenki.co.jp Manufacturer of semiconductor fuses.

Horstmann Gmbh - http://www.horstmanngmbh.com/ Manufacture of faulted circuit indicators, earth fault indicators, voltage detectors and phase comparators.

http://www.arcadvisor.com - http://www.arcadvisor.com Power distribution system balanced symmetrical and unbalanced short circuit analysis needed for arc flash protection boundary, incident energy calculation, selection of electrical equipment, circuit protection devices. Bolted 3-phase, line to earth, double phase to ground, phase to phase, single phase open faults through zero and above zero impedance can be resolved.

http://www.cirlock.com.au/ - http://www.cirlock.com.au/ Makes circuit breakers and fuse holders for safety lockout systems.

http://www.el-co.ro - http://www.el-co.ro Manufacturer of ceramic fuses, holders, household ceramic based sockets, plugs and connectors.

http://www.fuseone.com/ - http://www.fuseone.com/ Sells fuses for electric circuit protection from overstock and surplus supplies.

http://www.portexindia.com - http://www.portexindia.com Manufacturers and exporters of thermal and current controls of electrical equipment.

Inter-Cel - http://www.inter-cel.pl Manufacturer of thermal circuit breakers, thermal switches, bimetal thermostats, high temperature regulators, thermal protectors.

Jaker Electric Co., Ltd. - http://www.jaker.com.tw/ Manufacturer of load break switch, power fuse mounting base. From Taiwan.

Jensen Devices AB - http://www.jensendevices.com/ Manufacturer of gas discharge tubes.

Kusum Engineering Works - http://www.kewelectricals.com Manufacturer based in India, of circuit breakers, switchgear, fusegear, and motor control gear.

Lexor Electronic Laboratories Ltd. - http://www.lexor.demon.co.uk/ Delay line and filter network manufacturers.

LG Industrial Systems - http://www.lgis.com Korean manufacturer of circuit breakers.

Littelfuse Circuit Protection - http://www.littelfuse.com/ Manufacturing and designing circuit protection including fuses, PTC and circuit breakers for automotive, electrical and electronic applications.

Loresco International - http://www.loresco.com/ Manufacturer of carbon backfill and related products for the cathodic protection and electrical grounding industries.

MD Semiconductor, Inc. - http://www.mdesemiconductor.com/ High current surge, transient voltage suppression device manufacturer.

Mechanical Products Co. - http://www.mechprod.com/ Manufacturer of circuit breakers.

Merlin Gerin - http://www.merlingerin.com The electrical distribution information website for Merlin Gerin brand of Schneider Electric.

Miami Breaker, Inc. - http://www.miamibreaker.com/ Manufactures replacement circuit breakers and automatic and manual transfer switches and is a distributor of motor controls, remanufactured breakers, GFI receptacles and electronic ballasts. From Florida, USA.

National Fuse Products - http://www.fuses.cc US supplier of domestic and foreign fuses, blocks, switches, and OEM/MRO accessories.

Ningbo Final Best Co., LTD - http://www.ec21.net/finalbest China manufacturer and distributor of fuses, fuse holders,switches and rocker switches

Ningbo Switchgear Electric Co.,Ltd - http://www.nk-only.com/ Manufacture of low voltage fuses, switch-fuse combination, thermal over-load relays and a complete set of switch equipment.

Orion Italia - http://www.orionitalia.com Manufacturer of electrical measure and protection relays.

Poco Sales Inc. - http://www.pocosales.com/ US distributor of circuit breakers by Airpax, CBI, Eaton, ETA, Carlingswitch, Heinemann, Schurter. Featuring circuit breaker specifications, engineering drawings and design guides.

Precision Controls Company - http://www.precision-controls.com Manufacturer of circuit breakers, motor protectors and thermal discs.

Rebeck Enterprise Co., Ltd. - http://www.contactor.com.tw/ Manufacturer of motor, circuit breaker, contactor, transformer, electrical/ HVAC components, relay, motor starter.

Reuter Hanney, Inc. - http://www.reuterhanney.com/ Provider of electrical testing, power quality studies, system design and coordination services to commercial, industrial and institutional facilities throughout the mid-Atlantic region.

Rowe Hankins Components Ltd - http://www.rowehankins.com/ Distributor of circuit protection devices, switches,hydraulic,magnetic circuit breakers, switchgear, traction components and measuring systems.

Safeline S.L. - http://www.safeline.es/ Manufacturer of electrical safety protection devices. Located in Spain.

Safety Design, Inc. - http://www.powerbloc.com US supplier of a lockout system that can be retrofitted to any electrical panel or circuit breaker.

Sankosha USA - http://www.sankosha-usa.com Manufacturer of gas tube surge arresters and gas discharge tubes for over voltage surge protection from lightning and other transient voltages.

Schurter, Inc. - http://www.schurterinc.com/ Manufacturer of circuit protection devices including fuses, holders, circuit breakers for equipment, connectors, power entry modules, cordsets and switches.

Shenzhen Ampron Sensitive Components Co., Ltd. - http://www.ampron.com Manufacturer of PTC thermistor. From China.

Sleek Co., LTD - http://www.microfuse.com/ Manufacturer of fuses, micro fuses and resetable fuses.

Stanley Switch Gear Products - http://www.stanleyswitch.com/ Manufacturing switchgears for industrial, heavy industries and for agricultural pumps.

Tyco Electronics: Raychem Division - http://www.circuitprotection.com/ Manufacturer of overcurrent resettable devices, thyristor surge protectors, protected power switches and magnetics products.

Vimar Spa - http://www.vimar.eu/ Manufacturer from Italy of Circuit Breakers, RCBOs,interlocked socket-outlets, fuses, fuse holders and transient voltage suppressors.

Wickmann - http://www.wickmannusa.com/ Manufacturer of miniature, subminiature, surface mount (SMT) and automotive fuses, protectors and circuit protection components.

Wujin Zhenhui Electronic Co.,Ltd. - http://www.chinafuse.com Manufacturer based in China supplying fuses, fuse holders, automotive fuses and thermal fuses.

Yueh Jyh Metal Industrial Co., Ltd. - http://www.yuehjyh.com Manufacturer based in Taiwan of fuses, circuit breakers, fuse holders and fuse blocks.

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