Data sheet 3ug4512 1ar20 analog monitoring relay phase failure andsequence 3x 160 to 690v ac 50 to 60 hz 1 changeover contact screw terminal product function phase monitoring relay measuring circuit. Enter the name of the series to add the book to it. The devices are self powered measuring voltage rated control supply voltage and work on the closedcircuit principle. Sirius relays aai, a powerflo technologies company. Compare pricing for siemens 3ug45 1br20 across 15 distributors and discover alternative parts, cad models, technical specifications, datasheets, and more on octopart. Analog monitoring relay phase failure and sequence adjustable undervoltage asymmetry 20% fixed 3 x 160 to 690 v 50 to 60 hz ac hysteresis 5% fixed delay time 020 s 2 changeover contacts screw terminal successor product for 3ug301b.
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