Electrical Power & Protection


Latest Articles

Eaton’s UPSs provide effective power protection
December 2013
Eaton has announced a new range of high-efficiency uninterruptible power supplies developed specifically to meet the needs of contractors, installers and facilities managers with requirements for a cost-effective ...

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Safe buildings a reality with Prisma Plus
December 2013, Schneider Electric South Africa
Schneider Electric introduces modular low voltage switchboards.

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Insulated tools and equipment
November 2013
Haupa‘s 1000 V insulated tools are manufactured and tested in accordance with the latest conditions set out in national and international standards. If the additional safety measures are observed, they ...

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Dehn’s intelligent surge arrester system
November 2013
Dehn Protection South Africa has introduced Blitzductor, a modular DIN rail TVSS for series insertion into low energy measurement and control circuits (typically twisted pair with or without a ground ...

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Phase angle meters
November 2013
Megger’s PAM400 phase angle meters are compact, lightweight, fast and easy to use. They offer a convenient and cost-effective solution for a wide range of applications, including checking polyphase metering ...

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Single vs three-phase motors
November 2013, WEG Africa
Three-phase motors with VSDsoffer technical benefits and cost reduction over single-phase motors.

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Connected to the wind
November 2013
Stable connections for transmitting data, signals and power in wind turbine applications.

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Surge arrester for multi-pair telecom cabling
November 2013
In today’s modern world, the uninterrupted use of information technology and automation equipment is often taken for granted. However, lightning discharges, surges and over-voltages can be extremely harmful ...

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Power monitoring solution via the Web
November 2013, R&C Instrumentation
In a joint local effort, Omniflex and R&C Instrumentation have developed a complete power monitoring system available on a local network or via the Internet. Nearly every factory, shopping mall, airport, ...

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Power supply for LED applications
November 2013
Mean Well has introduced a 40 W AC/DC power supply to fulfil requirements of the LED lighting market. Featuring 110-295 VAC input range, these new units have six selectable constant current outputs from ...

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Lightning protection for photovoltaic systems
October 2013
In recent years, photovoltaic (PV) systems have become a significant sector within the energy market. They increase energy security, enhance sustainability, reduces pollution and keep fossil fuel prices ...

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Active redundancy for high system availability
October 2013, Phoenix Contact
The Quint Oring active redundancy module for an output current of 80 A is a new addition to the Phoenix Contact’s line that already includes 20 and 40 A models. For the first time, there is a solution ...

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Uninterruptable power supplies for RTUs
October 2013, Omniflex Remote Monitoring Specialists
Omniflex believes that the continuous operation RTUs, PLCs and remote field instrumentation is crucial. That is why, it offers a complete range of uninterruptable power supplies, designed to keep equipment ...

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Cable locator for metal conductors
October 2013
Test Instruments Africa has launched a new cable locator, Chauvin Arnoux’s CA6681 LOCAT-N, designed for the detection and location of faults in metal conductors, electrical power cables, telecommunication ...

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Low resistance ohmmeter
October 2013
Megger’s DLRO600 low resistance ohmmeter is a versatile instrument that can provide test currents from 10 to 600 amps subject to the load resistance. A large liquid crystal display provides all the information ...

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APC by Schneider Electric introduces Galaxy 5500
October 2013
APC by Schneider Electric has introduced the Galaxy 5500 three-phase uninterruptible power supply (UPS) system, an integrated and energy efficient solution with increased efficiency and low audible noise. ...

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Protection and control relay
October 2013, NewElec Pretoria, PI SA (PROFIBUS & PROFINET SA)
NewElec’s NewCode relay is an ISO 9001:2000 compliant, locally manufactured, three-phase motor protection and control relay designed for the LV market. It is a micro-controller based precision instrument ...

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Power quality solutions from Schneider Electric
September 2013, Schneider Electric South Africa
Power factor correction and harmonic filtering are part of energy efficiency.

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4 Pole ACBs with double rated neutral switching
September 2013
ACDC Dynamics offers the full range of Terasaki low voltage circuit breakers in the local market. Terasaki introduced fully rated neutrals on its ACB range more than 20 years ago, which, at the time, ...

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Compact power supplies from ifm electronic
September 2013, ifm - South Africa
Due to innovative technology, the new ifm power supplies require considerably less space in the control cabinet. Another advantage is the degree of efficiency, up to 94%, which saves energy costs and ...

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