Electrical Power & Protection


Latest Articles

Well protected against lightning
February 2009
A surge protective device (SPD) protects installations like cellphone base stations, wind turbines, industrial facilities and offices against sudden surges in voltage and current caused by lightning strikes. ...

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PSU with charger output
February 2009, Current Automation
MEAN WELL has launched a new economical PCB type switching power supply, PSC-60 series, for the fast growing security industry. Similar to the AD-55 and AD-155 series, the main output channel is complemented ...

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Selective fuse-breaking technology
January 2009, Phoenix Contact
The American Bureau of Shipping (ABS), one of the world’s leading classification societies for ships and marine-related facilities, has granted approval to all of the 24-V power supplies in Phoenix Contact’s ...

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Efficient power supplies for a greener world
December 2008, Current Automation
Protect the environment and save money at the same time.

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High-performance surge protection
December 2008, Phoenix Contact
Phoenix Contact’s VAL-CP-MOSO60 arrester combination is a surge voltage protection solution that is suitable for 60 mm system technology. Thanks to a universal adapter, the product is suitable for all ...

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Earth leakage protection and grading
December 2008, NewElec Pretoria
The door-mounted NewElec GA relay range offers earth leakage protection that makes them suitable for use with VSDs as they include harmonic filtering. The earth leakage trip thresholds are spread over ...

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Regulated DC/DC converters
December 2008, Current Automation
Mean Well has announced the introduction of 2 and 3 W miniature regulated single output DC/DC converters – SPA02/SPB03 series – for the growing demands of miniature applications. With single-in-line packaging, ...

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Open frame power supply
November 2008, Vepac Electronics
XP Power has announced the availability of its ECM140 series of compact open frame single-output AC/DC power supplies. Measuring 76.2 x 127 x 33 mm and offering a high power density of 7,9 W per cubic ...

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Uninterruptible power supplies
November 2008, Siemens South Africa
Maintenance-free capacitors save having to change batteries every year. Siemens Industry Automation Division has equipped its new uninterruptible 24 volt Sitop UPS500S power supply for direct voltage ...

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Pluggable lightning protection
November 2008, Phoenix Contact
Phoenix Contact’s FLT-CP-PLUS protectors are compact, application-oriented lightning protectors of EN type 1. Suitable installation blocks are available for all established applications. The pluggable ...

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Surge protection block
October 2008
DEHNrapid from DEHN is a combined lightning current and surge arrester that is directly pluggable into disconnection blocks based on the standard LSA insulation displacement connection system, allowing ...

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Overload protection
September 2008, CBI-electric: low voltage
Circuit breaker technologies. Each component of an electrical installation is designed for use at a particular rated current. When the component is used within the designed current limit it will have ...

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Combined single phase protection
August 2008
DEHN’s new DEHNventil M TT 2P modules are multipole combined lightning current and surge arresters providing an all-in-one solution for protecting single phase TT and TNCS systems against surges. The ...

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Selective fuse breaking technology
July 2008, Phoenix Contact
Quint Power compact power supplies from Phoenix Contact are now equipped with SFB technology. In order to trigger standard circuit breakers magnetically and thus within a few milliseconds, power supplies ...

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Economic LED drive
July 2008, Current Automation
Mean Well has introduced the LPH/LPV/LPC Series switching power supplies to cater for the increasing demands of LED lighting, decorative lighting, and general high dust and moisture applications. Using ...

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Over-voltage protection: over-voltage suppressors for signal and supply cables
July 2008, VEGA Controls SA
The prevailing conditions in South Africa make it imperative that operating processes be protected from over-voltage, which is often the cause of systems failures. This can be due either to lightning ...

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Energy measurement: power meter monitors electricity wastage
June 2008, Instrotech
For maintenance and control in applications involving energy saving and environmental protection, Instrotech’s latest product addition is the Panasonic Eco-Power Meter. This 48 x 48 mm, 7 segment display ...

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Battery charger with boost
June 2008, Current Automation
MEAN WELL has introduced the PB-1000 series intelligent battery charger for lead-acid batteries, which extends the charger range to 1000 W of available output power. Featuring user selectable 3/8-stage ...

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Advanced EMI protection
June 2008, Extech Safety Systems
MTL Surge Technologies has introduced a range a unique units combining filtering, surge protection and ring suppression for guarding against the effects of electrical disturbances on AC power cabling. The ...

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Stray voltage eliminator
June 2008, Comtest
Comtest is pleased to announce that Fluke’s SV225 is now available in single packs. The stray voltage eliminator is an excellent solution for customers who encounter stray or ghost voltages while testing ...

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