User Manual

3RR2 current monitoring relays
4.5 3RR22 current monitoring relays
3UG4 / 3RR2 monitoring relays
Manual, 02/2013, NEB927043002000/RS-AA/002
63
Parameter information
The table below shows the settable parameter information of the 3RR22 current monitoring
relay with digital setting:
Table 4- 7 Parmeter information, 3RR22 current monitoring relays with digital setting
Setting range
Menu
level
Parameters
Minimum value Maximum value
Increment Factory setting
"RUN" Threshold for current
undershoot(I▼)
1.6 A or OFF
1)
4 A or OFF
2)
16 A or OFF
1)
40 A or OFF
2)
0.1 A 1.6 A
1)
4 A
2)
"RUN" Threshold for current
overshoot (I▲)
1.6 A or OFF
1)
4 A or OFF
2)
16 A or OFF
1)
40 A or OFF
2)
0.1 A 3 A
1)
8 A
2)
"RUN" Warning threshold for
current undershoot
(I!▼)
1.6 A or OFF
1)
4 A or OFF
2)
16 A or OFF
1)
40 A or OFF
2)
0.1 A 1.6 A
1)
4 A
2)
"RUN" Warning threshold for
current overshoot (I!▲)
1.6 A or OFF
1)
4 A or OFF
2)
16 A or OFF
1)
40 A or OFF
2)
0.1 A 3 A
1)
8 A
2)
"SET" Hysteresis (Hyst) 0.1 A 3.0 A
1)
8.0 A
2)
0.1 A 0.5 A
1)
0.8 A
2)
"SET" ON-delay time (onDel) 0 s 99 s 1 s 0 s
"SET" Tripping delay time
(Del)
0 s 30 s 1 s 0 s
"SET" Reclosing delay time
(RsDel)
0 min. 300 min. 1 min. 0 min.
"SET" Blocking current
monitoring (n x I▲)
no x I▲ 5 x I▲ 1 x I▲ no x I▲
"SET"
Residual current
monitoring
(I >>
)
no or yes -- no
"SET" Reset response
(Mem)
no = Autoreset yes = Hand-
RESET
-- no = Autoreset
"SET" Phase sequence
monitoring ( )
no or yes -- no
"SET" Load current
monitoring (apparent
current I
s
/ active
current I
p
)
I
s
or I
p
-- I
s
"SET" Relay switching
behavior (closed-
circuit principle NC /
open-circuit principle
NO)
NC or NO -- NC
1)
3RR2241 current monitoring relay
2)
3RR2242 current monitoring relay