TB MRU3-2 12.00 E
33
Setting list
MRU3-2
Project:
SEG-Job.-No.:
Function group: =
Location: +
Relay code: -
Relay functions:
Password:
Date:
All settings must be checked at site and should the occasion arise, adjusted to the object/item to be protected.
Setting of the parameters
System parameter
Function
Einheit
Default
settings
Actual
settings
U
prim
/U
sek
Voltage transformer ratio
sek
D/Y
Input voltage correction dependent on the connection of
the input transformer
DELT
f
N
Rated frequency
Hz
f = 50 Hz
LED Flash
LED – Display of the activation storage
FLSH
P2/FR
Parameter switch/ext. triggering for the fault
recorder
SET1
Protection parameter
Function
Unit
Default setting
Set 1/Set 2
Actual
setting
Set 1/Set 2
1/3
1-phase/3-phase tripping
U<>1
U<
Pickup value for undervoltage element
V
90/210/360*
t
U<
Tripping delay for undervoltage element
s
0.04
U<<
Pickup value for undervoltage element
V
80/190/320*
t
U
<<
Tripping delay for undervoltage element
s
0.04
U>
Pickup value for overvoltage element
V
110/250/440*
t
U
>
Tripping delay for overvoltage element
s
0.04
U>>
Pickup value for overvoltage element
V
120/270/480*
t
U>>
Tripping delay for overvoltage element
s
0.04
U1<
Pickup value for undervoltage in positive-phase sequence system
V
90/210/360*
t
U1<
Trip value for undervoltage in positive-phase sequence system
s
0.04
U1>
Pickup value for overvoltage in positive-phase sequence system
V
110/250/440*
t
U1>
Trip value for overvoltage in positive-phase sequence system
s
0,04
U2>
Pickup value for overvoltage in negative-phase sequence system
V
50/115/200*
t
U2>
Trip value for overvoltage in negative-phase sequence system
s
0.04
U0>
Pickup value for overvoltage in zero-phase sequence system
V
30/70/120*
t
U0>
Trip value for overvoltage in zero.phase sequence system
s
0.04
RS
Slave address of the serial interface
1
RS**
Baud-Rate
9600
RS**
Parity-Check
even
* thresholds dependent on rated voltage 100 V / 230 V / 400 V **only Modbus
