Operator Interfaces, Switches & Relays


Latest Articles

New intelligent relay launched
August 2006, Ana-Digi Systems
Ana-Digi Systems recently launched the iSmart range of 'intelligent' relay controllers. The range consists of AC, 24 V d.c. and 12 V d.c. supplied units, with I/O ranging from 10 to 20 on the basic units, ...

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New Siemens monitoring relays increase plant availability
July 2006, Siemens South Africa
Three new Sirius monitoring relays of the 3UG4 series supplement the product range of Siemens Automation and Drives (A&D) and increase the availability of machines and plants as the devices are available ...

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Earth leakage protection
July 2006, NewElec Pretoria
NewElec's GA relays are designed to meet market requirements for a more reliable and stable form of earth leakage protection for use on variable speed drives/soft starter and DOL applications involving ...

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Contemporary Controls announces EtherNet/IP switches
July 2006
Contemporary Controls meets Rockwell Automation's required and recommended switch features significant to EtherNet/IP Contemporary Controls announces the availability of its EtherNet/IP switch features ...

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Universal relay bases with spring cage connection
July 2006, Phoenix Contact
The relay base range from Phoenix is a modular system comprising various relay bases, pluggable relays and opto couplers, input and suppression modules, relay retaining brackets with eject function, and ...

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Prevent costly downtimes due to impact torque conditions
July 2006, NewElec Pretoria
The OLR 8 Series from NewElec are single purpose relays designed to monitor one phase of the main motor circuit to provide excellent running stall (jam) protection for selected applications. The OLR 8 ...

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Beka indicators help to refuel green buses
July 2006
Beka Associates' intrinsically safe indicators and panel lamps are being used at London's first hydrogen filling station in Hornchurch near Romford. This BP filling station has been built to refuel three ...

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Advantageous use of I/Os in standalone applications
July 2006, NewElec Pretoria, PI SA (PROFIBUS & PROFINET SA)
Existing and prospective customers often ask "What is the purpose of the digital inputs/outputs on NewElec's MA motor protection relay?" Those asking are generally speaking from a non-automated applications ...

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Large, cost-effective display series
June 2006
Red Lion's new LD Series of large displays is designed to offer great visibility at an economical price. The initial release in this series includes both 4 digit and 6 digit models, with bright 57 mm ...

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Managed switch for video surveillance and other remote applications
June 2006
GarrettCom has integrated power-over-Ethernet (PoE) ports into its line of Magnum 6K Series Managed Ethernet Switches to provide a clean and cost-effective solution for supporting PoE appliances such ...

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High temperature proximity switches
May 2006, Gail Norton Instrumentation
For demanding applications in high-temperature areas, inductive proximity switches with good long-term reliability have become increasingly popular. Contrinex offers a series of embeddable and non-embeddable ...

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Switch suitable as manual motor controller
May 2006
The AC versions of the AS168X (trip characteristics F, G and H) can also be used now in the current range from 0,5 to 30 A as manual motor controllers for direct control of motors connected across-the-line ...

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Ultrasonic proximity switches
May 2006, Gail Norton Instrumentation
Ultrasonic proximity switches may be used wherever distances have to be measured in air. The targets can be in the solid, liquid, granular or powder state. The material may be transparent or coloured ...

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Automate existing motor control centres now
April 2006, NewElec Pretoria, PI SA (PROFIBUS & PROFINET SA)
The NewElec MA motor protection relay provides a means of upgrading existing motor starters. It permits them to be controlled by Profibus DP, eliminating the need of having to replace older MCCs, before ...

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Effective crane motor protection
April 2006, NewElec Pretoria
Hard working crane motors are designed for specific duty cycles, generally of short duration. Conventional protection, even electronic motor protection relays, that do not take the motor manufacturers' ...

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Hardened Ethernet switch
April 2006
Tactron Technologies, distributors of IFS range of fibre converters, is offering its EtherNav D7608 series of managed Ethernet switches. These devices provide robust transmission of 10/100 BASE-T Ethernet ...

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Miniature PCB mounted relays
April 2006, Actum Electronics
These monostable PCB relays are suitable for medium load control and switching functions in communications, office equipment, data processing and safety applications in the automobile and other industries. Fully ...

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HMI dialogue terminal
April 2006, Schneider Electric South Africa
Schneider Electric believes that industry sector users will find what they are looking for in terms of networked machines, in particular in the food and beverage and automobile industries, with its new ...

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Marine proximity switches
April 2006, Gail Norton Instrumentation
Contrinex all-metal inductive proximity switches, available from Gail Norton Instrumentation, are manufactured specifically to cater for the rigors for sea-water applications. Offering total resistance ...

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Small 70 kV gas-filled relay is sealed for safety
April 2006
Gigavac, a specialist in high voltage relays, is offering its G71 sealed single pole 70 kV relay. Filled with SF6 gas for low leakage and high current capacitive discharge switching, the G71 is safe in ...

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