Electrical Power & Protection


Latest Articles

Performance-limited PSU
July 2005, Phoenix Contact
For applications requiring UL 1310/508 Listed Class 2 approval, Phoenix Contact now includes the Mini Power 24 V/100 W power supply unit to their product portfolio. The basic definition of the American ...

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Signal conditioning modules
July 2005, Centurion Micro Electronics (CME)
The ADAM-3000 Series are cost-efficient, field configurable, isolation-based, signal conditioners. The modules are easily installed to protect instruments and process signals from the harmful effects ...

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Spark gaps
June 2005
e2v Technologies of the UK, (formally EEV) manufactures glass and metal ceramic spark gaps for voltage surge protection and high energy switching. Typical applications include ignition circuits, crowbar ...

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250 W switched DC PSU
June 2005
Emerson Network Power is offering its newest generation high-power, half-brick, integrated DC/DC converters - the Astec AIH-300Vin Series from Astec Power ( www.astecpower.com). With power density up ...

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Efficient DIN rail PSUs
June 2005, Current Automation
For a long time, the power supply market looked as if only small, detailed technical improvements were possible for DIN rail power supplies. With its new Dimension family of switched mode power supplies, ...

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Three-phase switching industrial power modules
June 2005
Emerson Network Power has announced the addition of new three-phase models to its ADN Series of three phase DIN-rail switching power supplies from Astec Power (www.astecpower.com). The new models currently ...

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Modern, compact UPS
April 2005
The latest Series 9 uninterruptible power system from Meissner Uninterruptible Power combines style and a small footprint with high performance. Introduced recently to South Africa, the Powerware 9155 ...

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2-wire, IS loop isolator
April 2005, Turck Banner Southern Africa
Turck is offering its MK33-221Ex0-HLi/24VDC-a 2-wire loop isolator designed to energise intrinsically safe 2-wire HART compatible transducers in a hazardous area and transmit the 4 to 20 mA signal to ...

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Protection for devices at all electrical sockets
March 2005, Phoenix Contact
The Sockettrab BT-SKT 230 AC Class 3 surge protector from Phoenix Contact is suitable for all types of sockets around the world, regardless of the socket brand or type. The module is saddled onto the ...

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Surge protection for high performance LAN
March 2005, Phoenix Contact , Surveillance, Industrial (Industry)
The Datatrab D-LAN-CAT.5E surge voltage protector from Phoenix Contact is a surge voltage protection device designed for the interfaces of important data transfer systems such as Ethernet, Token Ring ...

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Power supplies with special output voltages
March 2005, Phoenix Contact
The Quint Power 48 V/5 A universal power supply from Phoenix Contact enhances the line of special output voltages for mechanical engineering, long routing paths or LED lighting. The 48 V devices open ...

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Distributed bulk power front-ends
March 2005
Emerson Network Power is offering a new line of high-density AC-DC distributed bulk power front-ends from its Astec Power division, a leading merchant supplier of power conversion solutions. With a 12 ...

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Drive supplier provides harmonic distortion solution
February 2005
In a recent contract undertaken at a major power generating facility, systems integrator Systems Automation & Management were contracted to provide a large VSD solution with minimal harmonic current distortion ...

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Slim-design system power supply units
February 2005, Phoenix Contact
The Mini Power product line from Phoenix Contact is growing up: the Mini-Sys-PS power supply unit can now supply additional modules with regulated 24 V d.c. power, using optional rail-mounted bus connectors. ...

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1 kW programmable power supplies
January 2005
Sorensen's LHP Series 1 kW programmable power supplies are designed for both benchtop and rackmount system applications. They feature universal input and power factor correction. Their universal AC input ...

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Industrial power quality analyser
November 2004, Timecount
Timecount is offering a German-designed Mavolog power quality analyser suitable for power distributors and large industries for long-term monitoring of energy supplies. Interference generated by energy ...

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Monitoring DC current for power systems monitoring
November 2004
DC power is frequently used in many industrial applications including, petrochemical, telecommunications metals and computers. In these applications batteries are frequently used to provide power back-up ...

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Combined current and overvoltage arrester
November 2004, Products & Solutions, Smart Home Automation
The DEHNventil TT is a combined Class I lightning current arrester and Class II overvoltage arrester providing the same level of protection where previously up to 20 devices had to be installed and connected. ...

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Coping with brief power interruptions
November 2004, Phoenix Contact , Integrated Solutions, Mining (Industry)
Phoenix Contact has now extended its range of power supply products to include the maintenance-free capacitor-based Quint Buffer modules. Providing a power supply of 20 A, they increase the power failure ...

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Three-phase power analyser
October 2004, Timecount, Maintenance, Test & Measurement, Calibration
The German-designed Mavolog power quality analyser, which can be used by power distributors and large industries for long-term monitoring of energy supplies, is available from Timecount. Interference ...

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