Electrical Power & Protection


Latest Articles

AC/DC contactors
13 April 2011, Denver Technical Products
Gigavac offers a broad range of coil voltages and options that include auxiliary contacts and normally closed types.

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Energy efficiency in hotels
April 2011, Schneider Electric South Africa
Schneider Electric South Africa provides energy efficient hotel solutions that provide operational efficiency that significantly reduces energy usage and cost

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Say 'No' to sparks
April 2011, Pepperl+Fuchs, PI SA (PROFIBUS & PROFINET SA)
DART cranks up intrinsically safe power

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Airborne wind energy is here
April 2011
Windlift aims to power remote villages with a revolutionary new technology

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Designing an energy-efficient compressed air system
April 2011, Artic Driers International
Steam and compressed air are often the most abused and expensive forms of power in a factory. Often compressor housing is designed with undersized piping and air treatment equipment which does not use ...

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Web-enabled energy monitoring
April 2011, Opto Controls
Opto 22’s OptoEMU Sensor is a Web-enabled energy monitoring and data acquisition hardware appliance that lets commercial and industrial customers acquire power consumption data from facility systems, ...

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Locally manufactured conveyor protection
April 2011
CHI Control Components is a supplier of low voltage equipment directly to OEMs and panel builders. The company has a family of locally designed and manufactured components for conveyor protection, with ...

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Efficient power supplies for a greener world
1 April 2011, Current Automation
The latest compact DC-UPS from PULS offers unmatched output power and requires only 123 mm width on the DIN-Rail. Up to 6 minutes hold-up time at 24 V 10 A can be supported and for short-term 15 A is ...

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Motor protective circuit breakers
1 April 2011
CBI-electric: low voltage will be displaying the PKZ fuseless motor protective circuit breakers from Eaton. These combine short circuit and overload protection in one device, allowing fast restart readiness. ...

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Compact single loop isolated barriers
1 April 2011, Pepperl+Fuchs
Pepperl + Fuchs has added a compact single-loop module to its extensive K-system series of intrinsic safety barriers. The 12,5 mm wide KC-modules are the latest generation in the family of DIN rail mountable ...

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Circuit protection for DC 24 V systems
1 April 2011, Radél
The thermal-magnetic and electronic circuit breakers from E-T-A offer efficient and flexible power distribution for DC 24 V applications and reliable protection for switch mode power supplies. These products ...

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Solar technology
1 April 2011, LAPP Southern Africa
SMA is a leader in photovoltaic inverters, which are key components of solar power plants. Recently 100 of these 1,5 kW solar power plants were supplied to health clinics in Ethiopia in order to power ...

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New 100 Watt LED power supply
1 April 2011, Current Automation
Mean Well has launched a new 100 W AC/DC enclosed type constant voltage mode switching power supply to accommodate LED architectural lighting, decorative lighting, and indoor/outdoor waterproof applications. ...

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New power supply series
16 March 2011, Vepac Electronics
TDK-Lambda has effectively improved the total performance of its previous generation ZWS-AF series

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A monitor for surge protection devices
16 March 2011, Surge Technology
DEHN’s LifeCheck testing device quickly and easily monitors surge protection devices (SPDs) to detect thermal or electrical overload conditions which are not generally visible

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Substation hardened industrial Ethernet
March 2011, Industrial Automation & Control (IAC)
Hirschmann’s substation-grade Ethernet infrastructure components are designed to withstand the severe environmental hazards under which they must operate

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A community sees the light
March 2011, Schneider Electric South Africa
A small rural community south-east of Mutare in eastern Zimbabwe is benefiting from a mini hydro-electric scheme supported and subsidised by Schneider Electric South Africa and its specialist electricity ...

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The oyster marine energy generator
March 2011, Nidec Control Techniques
Control Techniques inverters chosen for Aquamarine Power’s flagship technology. The world’s largest and most successful working hydroelectric wave energy device, known as ‘Oyster’, has, at its heart, ...

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Wind turbines need the network
March 2011, Industrial Automation & Control (IAC)
As the demand for new energy resources increases, wind turbine production is at full scale. Each turbine is an expensive complex machine, robotic in nature, that either mechanically, or by means of a ...

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How to prevent power surges
March 2011
The leading cause of serial device server failures. Voltage spikes are brief events that rarely last more than a few microseconds, but all it takes is one snowball to set off an avalanche. In complex ...

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