See also:

• Business: Electronics and Electrical: Power Supplies: Uninterruptible Power Supplies  (95)
• Business: Electronics and Electrical: Surge Protectors  (72)

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.

Bussmann - - Products include extensive circuit protection solutions approved for use in a variety of major standards.

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 Canada, Inc. - - Manufacturer of electronic fuses, fuse holders, resettable devices, power distribution blocks and accessories. Provides free on-line services in arc flash boundaries, incident energies, short circuit current calculations.

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 switche.

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.

Safe-Tech Products - - Electrical safety products to prevents accidental electrocution , including GFCI converters.

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.

Sante Electrical Holding Co. - - Manufacturers and exporters of residual current-operated and miniature circuit breakers.

Schurter, Inc. - - Manufacturer of circuit protection devices including fuses, holders, circuit breakers for equipment, connectors, power entry modules, cordsets and switches.

Selfuse Electronics (China) Co.,Ltd - - Manufacturer of polymer PTC thermistors applied to protect circuits and battery packs against over-current and overheating.

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.

Tavrida Electric - - Develops and manufactures fixed and withdrawable medium voltage vacuum circuit breakers, retrofit solutions based on proprietary compact vacuum circuit breaker modules, medium voltage surge arresters and low voltage contactors.

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.