Electrical Power & Protection


Latest Articles

Power supply units from Adel
August 2012, Turck Banner Southern Africa
The Flex range of rail mount power supplies from Adel is available with 1, 2 and 3-phase input up to 500 W, a current rating up to 25 A and a power flexibility that reaches 50% of the rated Current In. ...

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New multipurpose safety relay
August 2012, ifm - South Africa
The latest AC041S safety relay from ifm electronic can be used as either a standalone safety relay, or as part of an AS-interface Safety at Work network. Of use to many OEMs and end-users, the AC041S ...

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Metal oxide surge arresters
1 August 2012
The SBKC range of metal oxide surge arresters from Tridelta is designed to protect transformers, switchgear and plant against atmospheric and switching overvoltages. The surge arresters are available ...

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Primary current injection test system
1 August 2012
The Programma ODEN AT is an advanced primary current injection test system to simplify testing in all types of switchgear and CT commissioning, ground grid, circuit breakers and more. It is also used ...

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Three-phase transformer turns ratio test sets
1 August 2012
Megger’s TTR300 series of three-phase transformer turns ratio test sets are designed to measure the turns ratio of power, instrument, and distribution transformers in a substation or manufacturing environment. ...

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An holistic approach to energy management
July 2012
Machine design and retrofits provide opportunities to reduce energy consumption and overall facility costs.

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Static eliminators used to remedy common static problems
July 2012
Static electricity causes problems when the temperature and humidity drops. The types of problems that can be expected in production facilities are:    * Materials tearing, jamming or curling. * Webs ...

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Beckhoff extends TwinCAT HVAC library
July 2012, Beckhoff Automation
Integrated room automation in accordance with energy efficiency class A.

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New Allen-Bradley power monitors
July 2012, Rockwell Automation
Rockwell Automation plugs control and energy-efficacy with new PowerMonitor range.

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Power saved is power shared
July 2012, Schneider Electric South Africa
Ecostructure from Schneider Electric is not a product but rather an approach to creating intelligent energy management systems.

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Weidmüller solutions for PV systems
July 2012
Photovoltaic energy is a vital component of energy production from renewable energy sources. Its share of total electricity production has the potential to increase significantly in the future. Weidmüller ...

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LV relays with user-selectable protection features
1 July 2012, NewElec Pretoria
The KD KE low voltage electronic motor protection relays from NewElec are designed to protect conveyor, compressor, crusher, fan and pump motors against potential damage. The relays can provide a warning ...

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16/25 W plastic case LED power supply
July 2012
After launching the plastic case LED power supplies LPF-40/60/90 series, Mean Well has introduced the 16/25 W lower wattage range to fulfil the low power requirements for decorative lighting applications. ...

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Multipurpose surge arresters
July 2012
The multipurpose DEHNguard S ... VA (FM) single-pole, pluggable varistor and spark-gap based surge arresters from DEHN are designed for general purpose use in LV installations. The arresters are also ...

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Spares for high frequency heating equipment
July 2012
Denver Technical Products holds local stock of valves; electron tubes; ceramic capacitors; door knob capacitors; and vacuum capacitors, which are stressed parts in high frequency dielectric heating or ...

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Echelon's i.LON SmartServer 2.0
July 2012
Echelon’s i.LON SmartServer 2.0 is a versatile smart energy manager that helps business achieve its operating and energy-efficiency goals. Designed to connect to IP-based applications such as enterprise ...

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Protection for LV AC motors
July 2012, NewElec Pretoria
The LA motor protection relays from NewElec are designed to protect LV AC motors from overloads, locked rotor, unbalance and phase loss conditions. The microprocessor relays are available in four models ...

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Elevating the performance of wind power plants
June 2012
As an alternative to fossil fuels, wind power is a plentiful, renewable, widely distributed, and clean energy producing no greenhouse gas emissions during operation.

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Are you in the clear?
June 2012, Alien Systems & Technologies
Building management fire protection and risk analysis models.

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Lightning-current surge arresters
1 June 2012
DEHN’s DEHNventil M range of combined lightning-current surge arresters feature a modular design for ease of installation. This means that it is easy to assemble and exchange the modules using a simple ...

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