SIEMENS
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Siemens IC 10 · 2017
* You can order this quantity or a multiple thereof.
Illustrations are approximate
Relays
SIRIUS 3RR21, 3RR22 Monitoring Relays for Mounting onto 3RT2 Contactors
Current and active current monitoring
10
■
Selection and ordering data
Size
Measuring range
Hysteresis
Supply voltage
U
s
SD
Article No.
Price
per PU
PU
(UNIT,
SET, M)
PS*
PG
A
A
V
d
Basic versions
• Analogically adjustable
• Closed-circuit principle
• 1 CO contact
• 2-phase current monitoring
• Apparent current monitoring
• Start-up delay 0 ... 60 s
• Tripping delay 0 to 30 s
S00
1.6 ... 16
6.25 % of threshold
value
24 AC/DC
2
3RR2141-
@
AA30
1
1 unit
41H
24 ... 240 AC/DC
2
3RR2141-
@
AW30
1
1 unit
41H
S0
4 ... 40
6.25 % of threshold
value
24 AC/DC
2
3RR2142-
@
AA30
1
1 unit
41H
24 ... 240 AC/DC
2
3RR2142-
@
AW30
1
1 unit
41H
S2
8 ... 80
6.25 % of threshold
value
24 AC/DC
2
3RR2143-
@
AA30
1
1 unit
41H
24 ... 240 AC/DC
2
3RR2143-
@
AW30
1
1 unit
41H
Standard versions
• Digitally adjustable
• LC display
• Open or closed-circuit principle
• 1 CO, 1 semiconductor output
• 3-phase current monitoring
• Active current or apparent current monitoring
• Phase sequence monitoring
• Residual current monitoring
• Blocking current monitoring
• Reclosing delay time 0 ... 300 min
• Start-up delay 0 ... 99 s
• Separate settings for warning and alarm thresholds
• Tripping delay 0 to 30 s
S00
1.6 ... 16
0.1 ... 3
24 AC/DC
2
3RR2241-
@
FA30
1
1 unit
41H
24 ... 240 AC/DC
2
3RR2241-
@
FW30
1
1 unit
41H
S0
4 ... 40
0.1 ... 8
24 AC/DC
2
3RR2242-
@
FA30
1
1 unit
41H
24 ... 240 AC/DC
2
3RR2242-
@
FW30
1
1 unit
41H
S2
8 ... 80
0.2 ... 16
24 AC/DC
2
3RR2243-
@
FA30
1
1 unit
41H
24 ... 240 AC/DC
2
3RR2243-
@
FW30
1
1 unit
41H
Type of electrical connection
• Screw terminals
1
• Spring-type terminal
2
3RR2141-1AW30
3RR2142-1AW30
3RR2241-1FW30
3RR2242-1FW30
3RR2141-2AA30
3RR2243-3FW30
© Siemens AG 2016