Electrical Power & Protection


Latest Articles

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 ...

Read more...
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 ...

Read more...
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 ...

Read more...
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 ...

Read more...
Power cable fault locator
February 2014
The PFL40A Series cable fault locating system from Megger provides a safe, efficient and easy to use solution for quickly identifying and isolating faults over a wide variety of power distribution cables. ...

Read more...
Short circuit intervention
February 2014, NewElec Pretoria, PI SA (PROFIBUS & PROFINET SA)
A short circuit condition occurs when the insulation between the phase conductors fails and the load current level exceeds the normal locked rotor current levels that a motor would draw during start-up. ...

Read more...
500 W enclosed low profile power supply
January 2014, Current Automation
Mean Well has introduced its new low profile enclosed type power supply with single output and PFC function – RSP-500 series (500 W). The complete product line now covers the ranges 75, 100, 150, 200, ...

Read more...
Digital earth tester
January 2014
The Megger DET3TD digital earth tester is a compact instrument designed to measure earth electrode resistance. It uses the three-terminal method of measurement where the resistance of the current circuit ...

Read more...
Protection of mobile radio stations
January 2014, DEHN Protection South Africa
Radio base-station protection using Dehn’s DEHNvap CSP combined surge arresters.

Read more...
Alwyn Rautenbach talks on solar power and the Assmang Khumani project
December 2013, Iritron
SA Instrumentation and Control speaks to Iritron’s managing director about photovoltaic solutions and their suitability for industrial projects in southern Africa.

Read more...
Low profile 75 W power supply with PFC
December 2013, Current Automation
After the launch of RSP-150 (150 W) series, Mean Well has extended its lower wattage models by the introduction of the RSP-75 series, the 75 W low profile enclosed type switching power supply with PFC ...

Read more...
Space-saving terminal blocks
December 2013
DEHN’s DEHNconnect SD2 surge arresters are space-saving terminal blocks with a width of 6 mm. Featuring integrated surge protection, they have a modular disconnection function that allows the user to ...

Read more...
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 ...

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

Read more...
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 ...

Read more...
Dehn’s intelligent surge arrester system
November 2013, DEHN Protection South Africa
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 ...

Read more...
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 ...

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

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

Read more...
Surge arrester for multi-pair telecom cabling
November 2013, DEHN Protection South Africa
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 ...

Read more...



<< First   < Previous   Page 43 of 73   Next >   Last >>







While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.




© Technews Publishing (Pty) Ltd | All Rights Reserved