Operator Interfaces, Switches & Relays


Latest Articles

New limit switches
December 2010, Rockwell Automation
Rockwell Automation has announced the launch of additions to the Allen-Bradley 440P limit switch family. The new additions to the product family are rugged metal-bodied models in a compact 22 mm housing. ...

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LV protection for motors
13 October 2010, NewElec Pretoria
NewElec’s NH Series motor protection relays are designed to protect motors in LV applications from 5 to 550 A

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Safety switching
October 2010, Phoenix Contact
The PSR Trisafe relay is a configurable safety module from Phoenix Contact. Entire safety circuits in machines and plants – from emergency stops to safety doors – can be monitored using just a single ...

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Detecting motor under-load conditions
14 September 2010, NewElec Pretoria
The NewElec UCR 80 relay monitors one phase only and requires a 1 A input from a suitably rated XX:1 current transformer

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Eliminate impact torque failures
September 2010, NewElec Pretoria
Costly downtime and repairs caused by impact torques can now be avoided. Impact torque occurs when an electric motor/gearbox combination attempts to deliver the necessary power to overcome a condition ...

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Motor protection for confined spaces
July 2010, NewElec Pretoria
NewElec’s 100 M series relays meet the very specific protection requirements of coal cutting machinery, underground motors and transformers and their related supply cables. Affordable and user friendly, ...

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Electronic motor protection
June 2010, NewElec Pretoria
NewElec’s 330 series low voltage electronic motor protection relay is designed to protect wound rotor motors used on winches or overhead cranes. The motor duty class, starting class, cyclic duration factor, ...

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Tele Haase monitoring and sensing relays locally available
May 2010, Vepac Electronics
Vepac Electronics has reported that the Kappa series of plug-in monitoring relays, manufactured by Tele Haase, are available to the South African market. An extension of the manufacturer’s Vox series, ...

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Low profile compact switch
14 April 2010, Anglo Allied Engineering
Inherent advantages are the insensitivity to shock, impact and vibration, and the resistance to wear

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Banner EZ-LIGHT tower lights
14 April 2010, Turck Banner Southern Africa
Banner's preassembled and preconfigured multisegment indicators replace conventional stack lights

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Data collection on the machine
April 2010, Rockwell Automation
Rockwell Automation to ship FactoryTalk Historian Machine Edition. Rockwell Automation has announced the launch of the FactoryTalk Historian Machine Edition (ME) module, which will soon be available ...

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Electronic multifunctional counter
April 2010, Countapulse Controls
Versatility and speed with the Tico 772. Hengstler’s successful Tico product line has been expanded to include the new electronic multifunctional counter – the Tico 772. The 772 combines the functions ...

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Omron's solid state relays
April 2010, Omron Electronics
The new G3PE industrial solid state relay and successor to Omron’s popular G3PB series of compact, slim-profile solid state relays, offers improved endurance and reliability characteristics compared with ...

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Pump protection for all occasions
March 2010, NewElec Pretoria
Where overload protection is already provided for a pump, this may be complemented by adding a single load loss protection relay in the guise of the UCR 80 undercurrent protection relay from NewElec. ...

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Time-switches for HVAC applications
March 2010
Legrand has a comprehensive range of time switches designed for precise control and energy efficiency in diverse environments, including heating, airconditioning and refrigeration applications. Legrand’s ...

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Monitoring motor current
March 2010, NewElec Pretoria
NewElec’s OLR 8 relays are designed to monitor one phase of the main motor circuit to provide running stall (jam) protection for selected applications ensuring accuracy as well as repeatability in performance. ...

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Protection for wound rotor motors
January 2010, NewElec Pretoria
NewElec‘s 330 series motor protection relays are specifically designed to meet the protection requirements of wound rotor motors used on winches and overhead cranes. The information necessary to obtain ...

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GT05 Series HMI
December 2009, Vepac Electronics
Panasonic’s GT05 series provides a clear QVGA LCD display and includes 12 different models. Users can choose models with monochrome or colour display, with an RS232C or RS422/RS485 interface, and with ...

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Compact double relay module
December 2009, Phoenix Contact
Phoenix Contact has added a compact 6,2 mm double relay module to the successful PLC interface product line. The PLC-2R...24DC/1 variant is a relay module with two integrated power relays that can be ...

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IFM's VK vibration switch
December 2009
ifm electronic has announced its new VK series vibration switch that continuously monitors vibration levels of critical plant equipment to help prevent machine failure and expensive downtime. The compact ...

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