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22 July, 2018

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03 January, 2016
Rittal’s previous enclosure lighting.

Rittal has also developed a system for monitoring its NH fuse-switch disconnectors in LV distribution installations. The Smart Monitoring System includes data recording and evaluation electronics, and a communications module that can send readings of current, voltage and active power to a controller via CANopen or Modbus RTU. Wiring is minimal and the system can be retrofitted to RiLine60 NH disconnectors.

Rockwell Automation announced a motor control centre that is available with a pre-installed, configured and validated EtherNet/IP network infrastructure. The user interface for the Centerline 2500 MCCs (below) can also be pre-configured, saving users up to 90% on development, commissioning and installation times. The MCCs are type-tested with more than 1,000 individual tests and Rockwell claims that it is the first supplier to test VSDs in MCC enclosures.

Schmersal has developed a family of eight multi-function safety relay modules each of which, it says, can replace several dozen existing safety relay modules and are suitable for applications up to SIL 3 / PL e. Each Protect SRB-E module can be configured for up to 11 different applications, making it easier for machine-builders to choose the right module for an application. They can monitor any conventional safety sensor or electromechanical safety equipment. 

Schmersal has also extended its range of solenoid interlocks with the failsafe AZM400 bolt interlock which can deliver a clamping force of up to 10kN, has a motorised locking pin, and operates on the bistable active principle. The interlocks, which use RFID coding, are suitable for large, motorised safety doors.

Sick has new generation of safety laser scanners that use a patented measurement principle to provide a scanning angle of 275 degrees and a range of 5.5m in a compact device. New software has been produced to configure the microScan 3 scanners “intuitively”.

Siemens has added new versions and capabilities to its Sentron 3VA series of MCCBs, which now covers rated currents up to 250A and includes starter protection versions. The 3VA2 series is also now available in motor and starter variants that protect drives against short-circuits and overloads. Siemens has also added 50mm-wide, 5A and 70mm-wide, 10A rail-mounting power supplies to its Sitop family. They operate with an efficiency of up to 91%, and can deliver 1.5 times their rated current for 5s.

WEG has updated its CSE series of IP66 command and signalling devices with new pushbuttons and contact blocks that, it says, will cut installation times and costs by up to 66%. The modular, click-mounting contact blocks can be combined to suit an application and assembled without tools. The range includes dual and triple 22.5mm pushbuttons that combine the functions of two or three individual buttons.

Weidmüller was demonstrating an alternative to conventional techniques for distributing power to small three-phase motors based on distribution boxes and terminals. Its compact SAI MVV 1:1 motor power distributor (below) uses a simple star topology to power up to four 750W, 400V AC motors with 12A per phase. The controller and motor protection switches can be mounted in a cabinet or on the motor. No fuses are needed and each phase can be connected separately.

Wieland has added 22.5mm-wide timing and monitoring relays to its Flare family. The Time HM8-2U-A multifunctional timing relay has eight time ranges and four special functions, while the Control IL-1-A and UL-1-A current and voltage measuring relays offer adjustable delays for lower-limit violations, with upper and lower limits set separately.

MECHANICAL AND LINEAR

Baumüller has expanded its range of planetary gearboxes to include helical gears for applications with high rotary




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