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Digital monitoring relay for 3-phase voltage with N-conductor Phase sequence can be activated Phase failure 3 x 90 to 400 V 50 to 60 Hz AC Undervoltage and overvoltage 90-400 V Hysteresis 1-20 V 0-20 s each for Umin and Umax 1 CO for Umin 1 CO for Umax Spring-type terminal
not expandable with auxiliary switch
24 V DC/1 A Can be parameterized via MSS ES 22
contains open-source software
5 m (3UF7933-0BA00-0) not included in scope of delivery Required firmware version 3RW44 >= *E05*
SIEMENS 3UF7123-1AA01-0 / 3UF71231AA010 SIEMENS S7-200 Digital monitoring relay for 3-phaseCurrent voltage measuring module for dry running protection of centrifugal pumps in hazardous areas; set current 20 200 A, voltage measurement up to 690 V, width 120 mm, straight through transformer
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