User Manual
  Accessories 
  14.2 Accessories for 3UG4 monitoring relays 
3UG4 / 3RR2 monitoring relays 
Manual, 02/2013, NEB927043002000/RS-AA/002 
335 
3UL2305/3UL2306/3UL2307 residual current transformers for fault current monitoring 
  3UL2305-1A  3UL2306-1A  3UL2307-1A 
Product  equipment  touch-protection   Yes     
Height  mm  64    62 
Width  mm  163  201  300 
Depth  mm  169  207.5  286 
Ambient  temperature       
•  during  operating 
°C 
-25 … +60     
Type  of  mounting  
screw  fixing     
Diameter  of  the  feedthrough  mm  110  140  210 
Conductor  cross  section  that  can  be 
connected  of the terminal 
mm²  2.5    4 
Item  designation       
•  according  to  DIN  40719 
extendable  after  IEC  204-2 
according  to  IEC  750 
T     
•  according  to  DIN  EN  61346-2 
B     
Design  of  the  electrical  connection 
secondary  side 
screw-type  terminals     
Residual  current  at  the  input  rated 
value 
A  40     










