See also:

• Business: Electronics and Electrical: Power Supplies: Uninterruptible Power Supplies  (101)
• Business: Electronics and Electrical: Surge Protectors  (71)

Advanced Protection Technologies - Manufactures surge suppressors for the home and industry..

Airpax - Thermal protection, electronic packaging and power protection products..

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

Arc Fault detection - Information site about Arcfault detection systems, the site providing information on the causes and prevention thereof..

Arc flash calculator, short circuit analysis. - 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. - Industrial protection for measuring voltage, current, phase loss, phase reversal, frequency and other conditions in AC and DC systems up to 690V..

Bill Switchgear - Manufactures circuit breakers, circuit protection and control..

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

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

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

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

Den Mar Industrial Fuses - Transformer, semiconductor, cable limiter and japanese fuses..

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

EFEN Engineers - Manufacturer of electrical, power and industrial fuses..

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

Electrical Designer's Reference - Fault current calculator, motor circuit design and protection..

Electromotor Protection Co.,Ltd - Manufacturing electric protection unit control, for circuit, transformer and electromotor protection, electric transducer and bus monitor control..

Erik Larsen Pty Ltd - Cirlock for circuit breakers and Fuselock for fuse holders are a great safety lockout systems..

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

Fuse Holders Corp - Manufacturer of various fuse holders and clips..

FuseOne - Sells fuses for electric circuit protection from overstock and surplus supplies..

Fusetek - Canadian fuse manufacturer..

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

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

Hinode Electric co., Ltd. - Manufacturer of semiconductor fuses..

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

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

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

Jaker Electric Co., Ltd. - Manufacturer of load break switch, power fuse mounting base. From Taiwan..

Jensen Devices AB - Manufacturer of gas discharge tubes..

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

Lexor Electronic Laboratories Ltd. - Delay line and filter network manufacturers..

LG Industrial Systems - Korean manufacturer of circuit breakers..

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

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

Luhfser - Expulsion fuse links protect high voltage transformers against fault currents, reduce loss during energy transmission. From Colombia..

MD Semiconductor, Inc. - High current surge, transient voltage suppression device manufacturer..

Mechanical Products Co. - Manufacturer of circuit breakers..

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

Merlin Gerin - The electrical distribution information website for Merlin Gerin brand of Schneider Electric..

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

Ningbo Final Best Co., LTD - China manufacturer and distributor of fuses, fuse holders,switches and rocker switches.

Ningbo Switchgear Electric Co.,Ltd - Manufacture of low voltage fuses, switch-fuse combination, thermal over-load relays and a complete set of switch equipment..

Orion Italia - Manufacturer of electrical measure and protection relays..

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

Portex. - Manufacturers and exporters of thermal and current controls of electrical equipment..

Precision Controls Company - Manufacturer of circuit breakers, motor protectors and thermal discs..

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

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

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

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

Sankosha USA - Manufacturer of gas tube surge arresters and gas discharge tubes for over voltage surge protection from lightning and other transient voltages..

Schurter, Inc. - 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. - Manufacturer of PTC thermistor. From China..

Sleek Co., LTD - Manufacturer of fuses, micro fuses and resetable fuses..

Sri Venkateswara Precision Components - Manufacturer of the final pole assemblies, cluster assemblies, isolating contacts and mechanism assemblies of breakers..

Stanley Switch Gear Products - Manufacturing switchgears for industrial, heavy industries and for agricultural pumps..

Taiwan Switch Co., Ltd. - Switch manufacturer; producing molded case circuit breakers, earth leakage circuit breakers, magnetic starters, fuses, control switches and sensitive devices..

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

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

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

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

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