Siemens 3UG4 - 4.3 Performance features of current monitoring relays

3RR2 current monitoring relays
4.3 Performance features of current monitoring relays
3UG4 / 3RR2 monitoring relays
48 Manual, 05/2016, NEB927043002000/RS-AC/004
4.3
Performance features of current monitoring relays
Table 4- 2 Performance features of 3RR2 current monitoring relays with analog setting
Functions/Parameters
Current monitoring relays with analog setting
3RR2141-.A.30
3RR2142-.A.30
3RR2143-.A.30
Rated current
1.6 to 16 A
4 to 40 A
8 to 80 A
Frequency range
50/60 Hz AC
50/60 Hz AC
50/60 Hz AC
Supply voltage U
s
• -.AA30: 24 V AC/DC
• -.AW30: 24 to 240 V AC/DC
Monitoring for current
overshoots and/or undershoots
2-phase 2-phase 2-phase
Contacts
1 CO contact
1 CO contact
1 CO contact
Table 4- 3 Performance features of 3RR2 current monitoring relays with digital setting
Functions/Parameters
Current monitoring relays with digital setting
3RR2241-.F.30
3RR2242-.F.30
3RR2243-.F.30
Rated current
1.6 to 16 A
4 to 40 A
8 to 80 A
Frequency range
20 to 400 Hz AC
20 to 400 Hz AC
20 to 400 Hz AC
Supply voltage U
s
• -.FA30: 24 V AC/DC
• -.FW30: 24 to 240 V AC/DC
Monitoring for current
overshoots and/or undershoots
3-phase 3-phase 3-phase
Contacts 1 CO contact/
1 semiconductor output
1 CO contact/
1 semiconductor output
1 CO contact/
1 semiconductor output