Electrical Power & Protection


Latest Articles

12/25 W constant current LED power supply
April 2014, Current Automation
Following the launch of 40 W AC/DC PLM-40 series LED power supply, Mean Well has introduced 12/25 W PLM-12/25 series, for the lower wattage requirements of the LED lighting market. Featuring 110-295 VAC ...

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IP67 power supply units for direct mounting in the field
April 2014, Turck Banner Southern Africa
Turck is offering a 24 volt power supply unit with IP67 protection to customers that require units for direct mounting in the field. A large amount of expensive cabling with large cross sections is required ...

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Megger’s distribution profilers
April 2014
The Megger MDP series of distribution profilers provides power utilities with accurate and extensive information to evaluate loading on feeders or overhead lines precisely and to identify the need for ...

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Wireless compressed air system monitoring
April 2014, Artic Driers International
Compressed air costs can be reduced by comprehensive system monitoring. Costs are rising year by year: A 200 kW compressor with a normal maintenance plan and power cost at R0,84 kWh running 24/7/365 will ...

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Tough insulation resistance testers
April 2014
The MIT515 (5 kV), MIT525 (5 kV) and MIT1025 (10 kV) are the newest in Megger’s line of insulation testers over 1 kV. These instruments are based on Megger’s extensive knowledge of insulation testing ...

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Class 2 surge arrester
April 2014
The SLP-275 V from Saltek is a reliable, single-pole Class 2 varistor-based surge arrester that protects against induced surge currents in installations in LV distributions at the boundary of LPZ 1 and ...

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Signal and instrumentation protection
April 2014
Saltek’s FLP-B+C MAXI VS/3+1 is a pluggable, three-phase and neutral combined Class 1 and Class 2 lightning current arrester. It is a combination of heavy duty gas discharge tubes (GDT) rated at 25 kA ...

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Improved safety for maintenance electricians
April 2014, NewElec Pretoria
Nowadays it is a requirement for technical staff to wear protective clothing when working on live motor control centres where they are required to open cubicle doors for any reason. The NewCode motor ...

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Direct online starters from Zest
April 2014, WEG Africa
The Zest WEG Group manufactures a full range of SABS-approved direct online starters in fully insulated IP65 enclosures, in both three-phase and single-phase and with various coil voltages. These extremely ...

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Shaw Controls delivers in the E-House market
March 2014, WEG Africa
Part of the Zest WEG Group, Shaw Controls recently dispatched the last two units of an order for seven electrical houses (E-Houses) to be installed for stacker and reclaimer machines at a coal mine in ...

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High-performance power quality recorder
March 2014, Comtest
The Comtest Group has introduced the Fluke 1750 three-phase power recorder for monitoring of power quality and power quality disturbances. These power meters continuously and automatically record every ...

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Using wind energy efficiently
March 2014, Horne Technologies
To achieve change in energy policy, innovative technology for power generation is needed. Unfortunately, many alternative concepts are based on inventions that are more reminiscent of the steam engine ...

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WEG contactors and thermal overload relays
March 2014, WEG Africa
The WEG range of SABS-approved contactors and thermal overload relays offers a reliable solution to low voltage applications in electric panel assembly for OEMs, distributors and end users. The compact ...

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Lightning and surge protection for cellular sites
March 2014, DEHN Protection South Africa
For more than 25 years, Dehn has been successfully developing customised products and protection solutions for cellular sites. This offering includes planning and selection of components for earth-termination ...

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AC current operated switches
March 2014
NK Technologies has introduced low cost current operated switches designated AS1, which consists of a compact case and a solid state relay. Simply pass the primary conductor through the aperture; the ...

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Megger’s earth testers with convenience clamp
March 2014
Clamps with elliptical apertures that can accommodate cables up to 39 mm diameter make Megger’s new DET14C and DET24C earth resistance testers quick and easy to use, even with large conductors where access ...

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Ultra-low profile sign panel power supply
March 2014, Current Automation
Mean Well has launched its 200-400 W ultra low profile economic sign panel power supply range, the NEL-200/300/400 series. The range adopts the 30 mm ultra-low profile design that allows the height and ...

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Importance of voltage measurements in motor ­protection
February 2014, NewElec Pretoria
Unbalanced voltages are unequal voltage values on three-phase circuits that can exist anywhere in a power distribution system. Unbalanced voltages can cause serious problems, particularly to motors and ...

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Omron introduces next-level power supplies
February 2014, Omron Electronics
Omron has introduced its new series of compact power supplies. “The S8VK series is tough, compact and easy to use,” says business manager, Euston Ferreira. “The new ‘family’ includes the cost-effective ...

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Endress+Hauser’s energy solutions
February 2014, Endress+Hauser South Africa
Endress+Hauser’s energy solutions portfolio encompasses single point energy recording, Smart Scale energy solutions and company-wide solutions. In single point energy recording, the energy usage is measured ...

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