Electrical Power & Protection


Latest Articles

UPS and generator coupling is not a simple job
May 2003, Access Control & Identity Management
Coupling the capabilities of a UPS and generator might seem the obvious thing to do for large companies, affording them the protection that their sensitive electrical equipment require. However, as Graham ...

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Switched-mode power supplies from 1 to 40 A
April 2003
IFM Electronic has introduced a new range of reliable switched-mode power supplies from 1 to 40 A for DIN rail mounting with a wide range of inputs of 90 to 260 V a.c. for one-phase and 340 to 576 V a.c. ...

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Management software for power protection systems
March 2003, Products & Solutions
Meissner Power Systems, official distributor of the Invensys Power System range, has introduced management software for its range of power protection systems. These include a new version of CheckUPS Plus, ...

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Gen-set for telecommunications operators
March 2003
Kohler Power Systems offers a generator set designed specifically for telecom operators wanting to guard against any break in the electricity supply for Internet, satellite, mobile phone or cable-television ...

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Miniature ballasts cover all fluorescents up to 25 W
March 2003
With increasing environmental awareness and the trend towards energy-saving electronic ballasts with fluorescent lamps. Philips offers its e-Matchbox series as a lightweight, compact solution for all ...

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Process interface modules with surge protection
February 2003, Phoenix Contact
The base terminals for Phoenix Contact process interface modules now feature integrated surge voltage protection. A combination of suppressor diode and gas tube arrester ensures a fast response together ...

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Compact galvanic isolator for space-saving installations
February 2003, WIKA Instruments
A slimline loop-powered isolator from PR Electronics has been added to WIKA's signal isolator product range. The PRetrans 6185 is dedicated to galvanic isolation of signals between sensors/transmitters ...

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Surge protection for communication equipment
January 2003, Residential Estate (Industry)
Dehn's UGK antenna range is designed to protect communication equipment from surge and lightning damage. Various types are available including the UGK/N for high frequencies of up to 2,0 GHz, 500 W output ...

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Surge arresters for sensitive instrumentation
January 2003
Surge Technology's BLITZductor LZC surge arresters are designed for protecting sensitive instrumentation such as flow meters and level sensors against overvoltages in hazardous installations. The device ...

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Pluggable 40 kA surge protection
December 2002
Surge Technology's locally manufactured DEHNguard-T lightning surge arresters are DIN-rail mounted and can withstand surge currents of up to 40 kA. The pluggable units consist of a base section ...

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Circuit Breaker Industries: success built on South African innovation and quality
December 2002
Circuit Breaker Industries (CBI), today part of JSE-listed Reunert Limited, has been a leading force in low voltage electrical protection products since 1949. The company was originally established as ...

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Management of sealed lead acid batteries in reliable small DC standby power supply systems
November 2002, Omniflex Remote Monitoring Specialists
The need for reliable standby power at 12 or 24 V to drive conventional instrumentation and other remote monitoring systems has increased

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Protection for 100base-T networks
November 2002
The locally designed and manufactured NET-Protector surge protection modules from Surge Technology are only 1U in height with a depth of 80 mm. The units are designed specifically for 19" rack mounting ...

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Lightning protection for IT networks and signalling equipment
November 2002
DEHN's Blitzductor CT, with its two-piece design, allows easy testing and replacement on signal lines without interrupting the signal. It is able to withstand direct lightning surge currents up to 5 kA ...

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Power meter available in 96 x 96 mm format
November 2002, Timecount
The Camille Bauer A210 power meter measures all parameters in 3 phase electrical systems, such as current and voltage, active, reactive and apparent power, power factor, frequency, neutral conductor current ...

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Programmable isolated electrical transmitter
November 2002
Digital Process Measurement (a top South African producer of panel meters) is offering a new programmable isolated electrical transmitter designed for AC current/voltage inputs from measuring transformers. In ...

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Signal multiplier for standard analog signals
November 2002, Phoenix Contact
The latest addition to the MCR isolation amplifier series from Phoenix Contact is the MCR-FL-C-UI-2UI-DCI signal multiplier for standard analog signals. It is used for duplicating and electrically isolating ...

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Lightning protector for electronic equipment
October 2002
The SurgeGuard Telefax lightning protector is designed to protect both the power supply and RJ11 telecom lines. The unit provides protection for modems, cordless telephones, fax and answering machines. The ...

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Loop isolation to minimise downtime
September 2002, Omniflex Remote Monitoring Specialists
Instrumentation loop problems are time-consuming affairs for plant maintenance staff to deal with. Most problems relate to isolation and ground faults, some of which present themselves intermittently ...

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Power relays for high switching loads
July 2002
These SEV approved miniature power relays are particularly suitable for the application of high switching loads on printed circuit boards. The relay is mounted in a transparent plastic sealed case that ...

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