User Manual

3RR2 current monitoring relays

4.3 Performance features of current monitoring relays

3UG4 / 3RR2 monitoring relays

Manual, 02/2013, NEB927043002000/RS-AA/002

4.3 Performance features of current monitoring relays

Table 4- 2 Performance features of 3RR2 current monitoring relays

Current monitoring relays with analog setting Current monitoring relays with digital setting

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

Frequency range AC 50/60 Hz AC 50/60 Hz AC 20 to 400 Hz AC 20 to 400 Hz

Supply voltage U

• -.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 CO contact / 1

semiconductor output

1 CO contact / 1

semiconductor output

4.3.1 General data

Table 4- 3 General data for 3RR2 current monitoring relays

Feature Benefit 3RR21 Basic,

analog setting

3RR22 Standard,

digital setting

Sizes

• The devices are matched to the dimensions, connections

and technical features of the other devices in the SIRIUS

modular system.

• The devices permit the mounting of slim-line and compact

load feeders in widths of 45 mm (S00 and S0).

• The devices make configuration easier.

S00, S0 S00, S0

Current range

• The devices 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