SIRIUS 3RR2 current monitoring relays 
  8.10 Technical data 
SIRIUS Innovations 
System Manual, 01/2011, A8E56203870002-03 
733 
8.10  Technical data 
8.10.1  Performance features of current monitoring relays 
Table 8- 13  Performance features of 3RR2 current monitoring relays 
Analog setting current monitoring relays  Digital setting current monitoring relays 
Functions/Parameters 
3RR2141-.A.30  3RR2142-.A.30  3RR2241-.F.30  3RR2242-.F.30 
Rated current  1.6 to 16 A  4 to 40 A  1.6 to 16 A  4 to 40 A 
Line system 
configuration 
AC 50/60 Hz  AC 50/60 Hz  AC 20 to 400 Hz  AC 20 to 400 Hz 
Supply voltage U
s
 
  -.AA30: 24 V AC/DC 
  -.AW30: 24 to 240 V AC/DC 
  -.FA30: 24 V AC/DC 
  -.FW30: 24 to 240 V AC/DC 
Monitoring for current 
overshoots and/or 
undershoots 
2-phase  2-phase  3-phase  3-phase 
Contacts  1 CO contact  1 CO contact  1 semiconductor 
output/1 CO contact 
1 semiconductor 
output/1 CO contact 
8.10.1.1  General data 
Table 8- 14  General data for 3RR2 current monitoring relays 
Feature  Benefit  3RR21 Basic, 
analog setting 
3RR22 Standard, 
digital setting 
Sizes 
  Are matched to the dimensions, connections and technical 
features of the other devices in the SIRIUS modular system 
  Permit the mounting of slim-line and compact load feeders 
in widths of 45 mm (S00 and S0) 
  Make configuration easier 
S00, S0  S00, S0 
Current range 
  Are matched to the other devices in the SIRIUS modular 
system 
  Just 1 option per size with a wide setting range makes 
configuration easy 
S00: 1.6 to 16 A 
S0: 4.0 to 40 A 
S00: 1.6 to 16 A 
S0: 4.0 to 40 A