Electrical Power & Protection


Latest Articles

Siemens Smart Grid solutions in Africa
June 2013, Siemens South Africa
The dawn of smart, transparent and versatile power grids.

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DEHNguard printed circuit board bases
June 2013
The new range of printed circuit board bases for the DEHNguard product family opens up a variety of new possibilities for protecting power electronic devices against surges. Since the bases are directly ...

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Efficient inspection of enclosed electrical panels
June 2013, R&C Instrumentation
Stansted Airport fits polymer infrared inspection windows.

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Schneider Electric’s containerised substation solution
June 2013, Schneider Electric South Africa
A range of versatile, portable containerised electrical substations suitable for medium voltage and low voltage switchgear, programmable logic controller panels, variable speed drives and uninterruptible ...

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High current Hall effect sensors
June 2013
The CTL/CTA range of Hall effect DC current transducers is available in current ranges up to 40 kA. The illustration shows a 30 kA unit with split core for easy installation over busbars up to 330 x 330 mm. ...

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Eliminate surge with certified ­serial protection
June 2013, RJ Connect
Moxa has announced the release of two new data line surge protectors. The ISD-1100-T, which provides up to 4 kV of surge protection, is an entry-level model suitable for general applications, such as ...

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Electrical fuse on Gefran GFW heating controllers
June 2013
Gefran has developed an innovative electronic fuse function on its GFW power controllers for industrial electrical heating control applications. This guarantees fast, reliable, safe and maintenance-free ...

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Surge protection for video ­surveillance systems
June 2013
Copa’s new COP903 is a surge protection device for coaxial cable-connected systems such as video surveillance systems and similar equipment. This unit also protects the 12 VDC voltage supplied from the ...

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SKF energy monitoring service
May 2013, SKF South Africa
Pump systems help plant operators reduce costs and improve productivity.

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Photovoltaic solutions ­reduce ­demand
May 2013, Schneider Electric South Africa
Global demand for energy is increasing with electricity consumption growing disproportionately as a result of the demands of industrial and domestic systems. This growth is bringing greater attention ...

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Schneider Electric B100/C100 MCC LV switchboard fully SANS compliant
May 2013, Schneider Electric South Africa
Available in four width, height and length variations, the B100/C100 MCC low voltage switchboard from Schneider Electric carries full compliance certification for the SANS 1973-1 standard and features ...

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Reliable earth leakage protection
May 2013
NewElec’s GA earth leakage relays offer a reliable and stable form of earth leakage protection for use on DOL, VSDs or any soft starter. The GA relay is particularly suitable in applications involving ...

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Automatic power factor correction systems from AC/DC Dynamics
April 2013
With the growing demand in the area of energy management and monitoring, the VMP and VMPC PFC ranges from AC/DC Dynamics feature 3 phase monitoring and both single and 3 phase compensation. This gives ...

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Energy efficient industrial LED lighting
April 2013, Allpronix
Lighting specialist Raytec has launched the new Raylux Urban White-Light series for multi-purpose lighting applications. The range allows installers to deliver lighting not just for the camera, but for ...

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Double-deck ­terminal block
April 2013
Wago’s new TOPJOB S 2002 series double-deck terminal block has the option of combining the functions of the top and lower levels. The top level, for example, can be used as a disconnect and fuse terminal ...

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Eliminate incorrect phase sequence
April 2013, NewElec Pretoria
Rotating machines are particularly vulnerable to incorrect phase sequence. Three-phase motors can rotate in the wrong direction, potentially leading to physical damage or the risk of injury to personnel, ...

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Energy measuring devices now also with UL approval
April 2013, Phoenix Contact , PI SA (PROFIBUS & PROFINET SA)
EMpro energy meters from Phoenix Contact now have UL 61010-1 approval for the US market. The network-capable meters acquire and monitor the characteristic electrical data of machines and systems. The ...

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Insulation diagnostic system
April 2013
Megger’s DELTA4000 series 12 kV insulation diagnostic system offers fully automatic power factor, tan delta and tip-up testing. Intelligent temperature correction based on the actual condition of the ...

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Earth leakage protection with harmonic filtering
April 2013, NewElec Pretoria
NewElec’s GA relay range protects variable speed drives against earth leakage faults or down-grading earth leakage protection thresholds, thereby avoiding nuisance trips on start-up. All GA relay models ...

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Identifying energy peaks helps reduce costs
March 2013, Phoenix Contact
As part of a of a long-term technological collaboration, Phoenix Contact, manufacturer of industrial electronics, and Gossen Metrawatt, manufacturer of measuring and testing technology, have jointly developed ...

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