Electrical Power & Protection


Latest Articles

Cat 6 patch cable provides surge protection
June 2007
DEHN, a leading manufacturer of lightning protection and surge protection systems, has introduced the DEHNpatch patch cable for use in Category 6 installations. The device provides surge protection of ...

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Drive-powered energy for safe shut down
June 2007
Power supplies with a DC input voltage of 360-900 V can be directly connected to the intermediate DC-bus of a frequency drive. The advantages are interesting but special precautions are required when ...

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Power supply features automatic output sequencing
June 2007, RS South Africa
Users, from electricians, bench technicians and repair technicians to electrical engineers all have the need for a reliable, accurate and high quality power supply. Some constraints that commonly affect ...

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LED lighting PSU with PFC
May 2007
Mean Well has announced the release of a new LED lighting product through its South African distributor, Current Automation. The PLN-30 series has a 30 W a.c./d.c. enclosed switching power supply with ...

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DIN rail switching power supplies for low wattage applications
March 2007
Mean Well has announced the introduction of new slim type DIN rail switching power supplies, MDR-40(40 W) and MDR-60(60 W) series, for the fast growing demand of low wattage DIN rail applications. These ...

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New environmentally friendly lithium ion batttery charger
February 2007
MEAN WELL launched the new CG30 series 30 W lithium ion battery charger that fulfils the trend of energy saving and environment protection of the 21st century. Complying with global safety certificates ...

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New enclosed type switching power supply for LED lighting
February 2007
Mean Well introduced two more new product series for the LED lighting purpose - CLG-60 and PLN-60 series - 60 W AC/DC enclosed type switching power supply with active PFC function. These limited power ...

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High-performance split-core current transformers for energy efficiency
February 2007
LEM has introduced the TT series of compact split-core AC current transformers. These new devices feature an innovative type of core material, enabling this technology to be the first to offer high performance ...

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Siemens releases new system for power distribution in aggressive environments
February 2007, Siemens South Africa
Siemens Automation and Drives (A&D) is replacing the previous polyester-based PEC system of the Sivacon 8PS busbar trunking system with the new LR system featuring an enclosure made of epoxy ...

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Massive expansion of local foundry to meet global demand
January 2007, Schneider Electric South Africa, Fire & Safety, Facilities & Building Management
International rationalisation as well as increased world demand for quality castings has led DaimlerChrysler Corporation's Atlantis Foundries plant to carry out a multimillion Euro production facility ...

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Signal isolators and loop interface 101: Part 2
December 2006, Omniflex Remote Monitoring Specialists
Loop powered isolators are a cost-effective solution to solving loop problems

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NET Protector surge protection modules
December 2006
Surgetek's NET Protectors are designed for 19" (48 cm) rack mounting in NET Protector enclosures that may be equipped with up to three surge protection boards to protect switches, hubs and telecommunication ...

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A conversation, rather than just talking back
December 2006
When CBI-electric: low voltage introduced the new World Super AE Air Circuit Breaker (AE-SW) it was modestly described as the ACB that 'talks back'. In reality, the availability of plug-in modules from ...

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Power supply for Ex applications
December 2006, Turck Banner Southern Africa, Information Security
Turck offers a fieldbus solution for the explosion-hazard range with the FISCO power supply, The FISCO power supply is a power conditioner with intrinsically-safe power output and repeater function. Two ...

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Signal isolators and loop interface 101 - Part 1
November 2006, Omniflex Remote Monitoring Specialists
In Part 1 four applications of signal conditioning systems will be looked at

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High voltage ground fault monitor offers protection in underground mining
November 2006, Anglo Allied Engineering
Over the years, Bender has remained one of the favoured suppliers of high voltage ground monitors to many well known mining switchgear suppliers. The Bender HW monitor series has been installed in mines ...

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New type 2 surge arrester with three-stage fault indication
November 2006
Dehn has introduced a new Dehnguardr family of Type 2 surge arresters with 'Pro-Active Thermo Control' technology to meet the increasing requirements of electrical systems in industrial, commercial and ...

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Economic power supply
November 2006, RS South Africa
The Iso-Tech IPS303DD single output power supply unit is used to power electronic circuitry. It can supply up to 30 V d.c., 0-3 A. The unit features separate three-digit LED voltage and current meters, ...

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Protecting wind turbines from lightning
November 2006
Electrical power gained from the wind is becoming a well-established technique of alternative energy generation in many parts of the world. The risk for structures being hit by lightning grows in relation ...

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Industrial converter offers long distance transmissions
November 2006
Advantech's ADAM-6521S is an industrial converter with one single mode fibre port for long distance transmissions up to 15 km. The device also works as a switch with its four industrial-grade 10/100 Mbps ...

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