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Under-voltage monitoring relay 71 series
over-voltagecurrentphase sequence

under-voltage monitoring relay
under-voltage monitoring relay
under-voltage monitoring relay
under-voltage monitoring relay
under-voltage monitoring relay
under-voltage monitoring relay
under-voltage monitoring relay
under-voltage monitoring relay
under-voltage monitoring relay
under-voltage monitoring relay
under-voltage monitoring relay
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Characteristics

Measured/monitored value
under-voltage, over-voltage, current, phase sequence, phase loss, phase unbalance
Contact configuration
SPDT
Network
single-phase, three-phase
Other characteristics
modular, digital, DIN rail
Tripping current

10 A, 15 A

Trigger voltage

250 V, 400 V

Description

Over & Under voltage monitoring Voltage or current detecting Phase asymmetry Phase rotation Phase loss Thermistor temperature sensing •35mm wide •1 or 3 phase systems •Adjustable or Fixed values •Positive safety logic •35mm rail (EN 60715) mount APPLICATIONS •Automatic car-washes •Building automation •Carousel warehouses •Coil winders •Confectionary machines •Control and management of electric power •Control and management of water •Control panels •Control panels for pumps •Control systems •Discotheques, swimming pools and fountains •Door and gate openers •Drying kilns •Elevators and lifts •Escalators •Extractor fan units •Footwear machines •Forced-air ventilators •Galvanic treatment plant •Heating systems and convectors •Hoists and cranes •Hospitals •Industrial fans •Industrial motors •Industrial refrigerators •Industrial robots •Industrial sweepers •Labelling machines •Machines for ceramics •Machines for paper processing •Milk processing plant •Packaging machines •Panels for electrical distribution •Plastic moulding machines •Power generators •Printing machines •Textile machines •Traffic light controls •Voltage stabilizers •Wood-processing machines

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.