Electrical Power & Protection


Latest Articles

New converters for DC technology
February 2010, Siemens South Africa, PI SA (PROFIBUS & PROFINET SA)
With the Sinamics DC Master (DCM) the Siemens Drive Technologies Division has expanded its range of drives by a converter for DC applications, thus enabling the Sinamics functions and tools such as SIZER ...

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Air measurement identifies losses
February 2010, Artic Driers International
The need for accurate compressed air flow monitoring has never been greater as South African power costs look set to escalate yet again. As a guide to the cost of compressed air, a 185 kW air compressor ...

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Outdoor LED lighting
February 2010, Current Automation
In response to the demand for LED lighting and outdoor architecture decoration MEAN WELL has added the HLG-240 and HLG-240H to its product family in order to fulfil higher wattage requirements in the ...

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Surge-tight with Dehnpipe
February 2010, Surge Technology
Modern processing installations operate at high automation levels with many measuring devices used for controlling and monitoring these processes. At installations like storage tanks or pipe systems, ...

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Absolutely variable power card
22 January 2010, Vepac Electronics
With the MTM Power Card, power supply variations can be realised in second

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More bang for your buck
January 2010, Beckhoff Automation
Power strategies for 2010

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Nature's apprentice
January 2010, Beckhoff Automation
Beckhoff building automation in CO2-neutral house

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High performance protection
January 2010
APC by Schneider Electric has launched its new Back-UPS RS 550VA line-interactive UPS (uninterruptible power supply) for reduced energy wastage. The model offers energy efficient charging, shutting off ...

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Class 2 LED power supply
January 2010, Current Automation
In response to the increasing demands of LED and decorative lighting applications, MEAN WELL introduced another new AD/DC enclosed type LED power supply. The PLN-45 series 45W is enclosed in a fully isolated ...

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Industrial earth leakage protection relays
December 2009, NewElec Pretoria
With an established track record of over 10 years, the NewElec GA range of industrial earth leakage relays provides an alternative reliable source for all earth leakage protection needs. As the relays ...

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Universal surge arresters
December 2009, Surge Technology
DEHN has introduced the universal BLITZductor XTU combined lightning current surge arresters for instrumentation and automation systems. The first arrester designed to adapt itself to the nominal voltage ...

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PSU for lighting applications
December 2009, Current Automation
After introducing the aluminium cased CLG family and fully enclosed plastic cased PLN, PLC, ELN, LP families of LED power supplies, MEAN WELL has launched another LED product category, an AC/DC open frame ...

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Easily adjustable output voltage
November 2009, Current Automation
150/300 W enclosed type power supplies with programmable output voltage. After launching the SPV-1500 (1500 W) series single output enclosed type power supply with programmable output voltage function, ...

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Miniature supply
November 2009, Current Automation
Mean Well has introduced the new 75 W miniature high reliability AC/DC enclosed type power supply HRP-75 series. Along with the existing products - HRPG-150 (150 W), HRPG-300 (300 W) and HRPG-600 (600 ...

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Protection for LV and MV motors
November 2009, NewElec Pretoria
NewElec’s 320 to 327 M Series motor protection relays protect both LV and MV motors in all industries. The Series includes user-friendly door or chassis mounted relays, capable of reliably protecting ...

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Protection increases system availability
October 2009, Surge Technology
Enhanced lightning and surge protection techniques reduce maintenance effort

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APC keeps Emperors online
October 2009
Peermont Global Group’s Johannesburg-based hotel, casino and convention resort, Emperors Palace has managed to stay online for the past 10 years without a glitch, using APC by Schneider Electric’s Galaxy ...

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Turbogen technology
October 2009
Moeller advances wind turbine product range. Moeller has refined three of its products to meet the component requirements of engineers working towards higher wind turbine generator outputs. Vacuum ...

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SDR-120 DIN rail power supply
October 2009, Current Automation
After launching SDR-240 (240 W) and SDR-480 (480 W) high performance single output slim DIN rail series, MEAN WELL continues to extend its product coverage to lower wattage applications. For the growing ...

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240 W enclosed with PFC
September 2009, Current Automation
MEAN WELL has announced the SP-240 series as successor to the S-240 (240 W) range due to be phased out at the end of the year. The SP-240 is a single output enclosed type power supply with built-in active ...

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