Siemens SIRIUS 3RH Series, System Manual

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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