User Manual
3UG4.1 line monitoring relay   
6.4 3UG4513 line monitoring relay 
  3UG4 / 3RR2 monitoring relays 
112  Manual, 02/2013, NEB927043002000/RS-AA/002 
6.4.5  Circuit diagrams 
Internal circuit diagrams 3UG4513 
8*
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Figure 6-1  3UG4513 line monitoring relay 
Note 
It is not necessary to fuse the measuring circuit to protect the device. Fusing for line 
protection depends on the cross-section used. 
Note 
The 3UG4513 line monitoring relays are only suitable for line frequencies of 50 / 60 Hz! 










