See also:

• Business: Electronics and Electrical: Power Supplies: Uninterruptible Power Supplies  (89)
• Business: Electronics and Electrical: Surge Protectors  (59)

Advanced Protection Technologies  www.apttvss.com Manufactures surge suppressors for the home and industry.

Airpax  www.airpaxcorp.com Thermal protection, electronic packaging and power protection products.

Airpax Power Protection Products  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  www.arcfault.org Information site about Arcfault detection systems, the site providing information on the causes and prevention thereof.

Arc flash calculator, short circuit analysis.  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.

Bender Inc.  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.

Bill Switchgear  www.bill-switchgear.com Manufactures circuit breakers, circuit protection and control.

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

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

Cirlock  www.cirlock.com.au Makes circuit breakers and fuse holders for safety lockout systems.

Controlab Inc.  phaselossprotection.com Canadian manufacturer of phase failure and ground fault monitors.

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

Den Mar Industrial Fuses  ourworld.compuserve.com/homepages/DEN_MAR_FUSES Transformer, semiconductor, cable limiter and japanese fuses.

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

EFEN Engineers  www.efen.com Manufacturer of electrical, power and industrial fuses.

EL-CO  www.el-co.ro Manufacturer of ceramic fuses, holders, household ceramic based sockets, plugs and connectors.

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

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

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

Fuse Holders Corp  www.fuseholders.com Manufacturer of various fuse holders and clips.

FuseOne  www.fuseone.com Sells fuses for electric circuit protection from overstock and surplus supplies.

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

Hepol Electric Enterprise  www.c45n.com Manufacturer of circuit breakers, concators, fuses, relays, distribution boards and sockets plugs. from China.

Hinode Electric co., Ltd.  www.hinodedenki.co.jp Manufacturer of semiconductor fuses.

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

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

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

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

Jensen Devices AB  www.jensendevices.com Manufacturer of gas discharge tubes.

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

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

LG Industrial Systems  www.lgis.com Korean manufacturer of circuit breakers.

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

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

Luhfser  www.luhfser.com/english/Index.html Expulsion fuse links protect high voltage transformers against fault currents, reduce loss during energy transmission. From Colombia.

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

Mechanical Products Co.  www.mechprod.com Manufacturer of circuit breakers.

MEM Low Voltage Products  www.memonline.com Manufacturers of circuit breakers, switchgear, fusegear, low voltage switchboards, capacitors, TVSS and motor control gear.

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

Miami Breaker, Inc.  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  www.fuses.cc US supplier of domestic and foreign fuses, blocks, switches, and OEM/MRO accessories.

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

Ningbo Switchgear Electric Co.,Ltd  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  www.orionitalia.com Manufacturer of electrical measure and protection relays.

Poco Sales Inc.  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.

Portex.  www.portexindia.com Manufacturers and exporters of thermal and current controls of electrical equipment.

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

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

Reuter Hanney, Inc.  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  www.rowehankins.com Distributor of circuit protection devices, switches,hydraulic,magnetic circuit breakers, switchgear, traction components and measuring systems.

Safe Line S.L.  www.safeline.es Manufactures protection devices for overvoltage, low voltage, surge arrester and lightning. From Spain.

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

Sankosha USA  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.  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.  www.ampron.com Manufacturer of PTC thermistor. From China.

Sleek Co., LTD  www.microfuse.com Manufacturer of fuses, micro fuses and resetable fuses.

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

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

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

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

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

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