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November 1, 2012

A relay that monitors many motor parameters

The Sirus 2RR24 current monitoring relay for IO-Link monitors motors over the complete torque curve and is also dimensioned for current monitoring of the overall plant. The device detects load shedding, for example when a belt snaps, or motor overloads due to overloading of the drive conveyor belt or crane. The device also detects current imbalances, phase sequences, ground faults and any cable breaks. The current data can be read off the device locally or displayed. It can be integrated into the load feeder without incurring wiring costs by mounting it on a Sirus 3RT2 contactor. — Siemens Industry Sector, Industry Automation Div., Nuremberg, Germany

www.siemens.com/relays

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