Electrical Power & Protection


Latest Articles

Sensitive earth protection relay with no tripping
March 2012, NewElec Pretoria
NewElec’s GA earth leakage protection relay enables more sensitive earth leakage protection of high kilowatt motors started direct-on-line, as well as variable speed drive applications, without nuisance ...

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Rack control and monitoring unit
March 2012, Current Automation
Mean Well has launched new peripheral control and monitoring units to collocate with RCP-2000 rack power, RKP-CMU1 and RKP-1Ux-CMU1 for more complete rack power solutions. Up to 32 units of RCP-2000 can ...

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Gigavac sealed contactors
March 2012, Denver Technical Products
Denver Technical Products continues to expand its range of Gigavac GX Series EPIC (Extended Performance Impervious Ceramic) sealed AC and DC contactors capable of switching from 12 to 750 V. These small ...

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Locking male connectors simplify panel feedthroughs
March 2012, Shorrock Automation
Wago has expanded its Mid Multi Connection system (MCS-MIDI) to include locking male connectors with snap-in flanges. Using these male connectors, panel feedthroughs for 5–2,5 mm panel wall thickness ...

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Portable lightning detector by StrikeAlert
March 2012
TufTek has introduced a dependable and easy-to-use portable lightning detector. StrikeAlert is a small and affordable unit that provides early warning of approaching lightning strikes from as far away ...

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Terminal blocks with pushbuttons
March 2012, Shorrock Automation
Wago has launched the new 2060 Series of unique one-, two- and three-pole SMD terminal blocks. Equipped with integrated pushbuttons, the 2060 Series provides easy insertion and removal of all conductor ...

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Dual mount earth leakage relay
March 2012, NewElec Pretoria
The GA range of earth leakage relays from NewElec can now retrofit onto other popular earth leakage protection relay panel cutouts. The 94 mm x 71 mm panel cutout, as well as the standard 134 mm x 71 ...

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LED work lights for industrial use
February 2012, Turck Banner Southern Africa
Banner Engineering has announced a range of energy saving LED work lights of protection categories IP67/IP69K. The robust design allows use in a wide field of application where reliable, bright and even ...

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White paper: Design of a control and spooling mechanism
31 January 2012
Abstract - To use wind energy to its full potential we need to investigate methods on how to harvest energy from high altitude winds more effectively.

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Intelligent power solutions
January 2012
SAP Tronics designs and sells electronic systems for the mining and petrochemical industry with its niche in intelligent power systems designed to support automated lubrication systems. An SAP power ...

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Energy efficiency needs measurement for verification
January 2012, Omniflex Remote Monitoring Specialists
Energy efficiency is key on the corporate agenda, future profitability and sustainability are the stakes. But, determining efficacy and effectiveness is easier said than done at enterprise level due to ...

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LV and MV motor protection
January 2012, NewElec Pretoria
NewElec’s 320 to 327 M series of relays provides protection for LV and MV motors in industrial as well as mining applications, especially where they are working at or close to full RMS loads. The relay ...

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Saving energy and water
January 2012, Omron Electronics
Omron’s solution for right-sizing pump applications. According to Omron, when engineers select a pump for an application most opt for a built-in safety factor. However, this safety factor leads to system ...

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Power and energy meters for early warning
January 2012, RS South Africa
The PM700 series power meters from RS Components give early warning of impending problems that could lead to equipment malfunctions or downtime. They also allow users to diagnose and isolate the cause ...

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Standalone motor protection relays
January 2012, NewElec Pretoria
NewElec is offering a new range of motor protection relays. Aimed primarily at the pump market, they go a long way towards meeting the protection demands of most electric motor applications. Features ...

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High voltage insulation diagnostics
January 2012, Surge Technology
Megger’s new DELTA4000 series insulation diagnostic test sets offer fully automatic power factor/tan delta measurement and tip-up testing. They feature tough yet lightweight construction and are designed ...

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AS-i power supplies from Allpronix
January 2012, Allpronix
This EMA product provides power and a signal carrier for use in AS-i network applications. The switch mode power supply converts AC to DC, which then carries power and communication signals. With the ...

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Multiple channel constant current LED power supply
January 2012, Current Automation
Mean Well has introduced the first 185 W AC/DC multiple channel constant current output LED power supply, the LDV-185 series. With a built in active PFC function, these units can offer 6 CH/700 mA or ...

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Power supply for high wattage applications
January 2012, Current Automation
Mean Well has introduced the 2000 W 1U low profile enclosed type switching power supply, which completes the product line of AC/DC enclosed type models with parallel and PFC functions. The company can ...

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Compact safety controllers
8 December 2011
The new Leuze MSI 100 and MSI 200 programmable safety controllers feature simple handling during commissioning, flexible configuration options and broad, on-board functionality

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