User Manual

3UG4624 residual current monitoring relay
8.4 Operation
3UG4 / 3RR2 monitoring relays
Manual, 02/2013, NEB927043002000/RS-AA/002
177
8.4 Operation
Parameters
Parameterization of the devices is possible locally using the display and the three keys.
Parameter information
The table below shows the settable parameter information of the 3UG4624 residual current
monitoring relay:
Table 8- 2 Parmeter information, 3UG4624 residual monitoring relays with digital setting
Setting range
Menu
level
Parameters
Minimum value Maximum value
Increment Factory
setting
"RUN" Threshold for current overshoot
(I▲)
depending on IΔn
1)
depending on IΔn
1)
depending on
IΔn
1)
depending
on IΔn
1)
"RUN" Warning threshold for current
overshoot (I!)
depending on IΔn
1)
depending on IΔn
1)
depending on
IΔn
1)
depending
on IΔn
1)
"SET" Rated residual current of the
summation current transformer
(IΔn)
0,3 A 40.0 A 0.1 A 10.0 A
"SET" Hysteresis (Hyst) depending on IΔn
1)
depending on IΔn
1)
depending on
IΔn
1)
depending
on IΔn
1)
"SET" ON-delay time (onDel) 0.1 s 20.0 s 0.1 s 0.1 s
"SET" Tripping delay time (I▲Del) 0.1 s 20.0 s 0.1 s 0.1 s
"SET" Reset response (Mem) no = Autoreset yes = Hand-RESET -- no = Auto-
reset
"SET" Relay switching behavior
(closed-circuit principle NC /
open-circuit principle NO)
NC or NO -- NC
1)
The value depends on the parameter "Rated residual current of the summation current transformer (IΔn)." You can take
the value from the table "Parameter information depending on the rated residual current" in the next section.