Overcurrent Protection in the Bay Unit
195
7SS52 V4 Manual
C53000-G1176-C182-3
5.16.3 Settings of the Bay Unit
Addr. Setting Title Setting Options Default Settings Comments
1201 O/C PHASES ON
OFF
ON O/C protection for phase cur-
rents
1202 I>> 0.05 .. 25.00 I
N
2.00 I
N
Pick-up value of the high-set
stage I>>
1203 TI>> 0.00 .. 60.00 s; +* 0.10 s Trip time delay of the high-set
stage for phase currents
1206 MEAS.REPET YES
NO
NO Option to set a measurement
repetition
1211 CHARACTER. NORMAL INVERSE
VERY INVERSE
EXTREMELY INVERS
NORMAL IN-
VERSE
Tripping characteristic for the
phase current
1212 I> 0.05 .. 25.00 I
N
1.00 I
N
Pick-up value of the overcurrent
stage I>
1213 TI> 0.00 .. 60.00 s; +*
infinite
0.50 s Trip time delay of the overcur-
rent stage I>
1214 Ip 0.10 .. 4.00 I
N
1.00 I
N
Pick-up value of the overcurrent
stage Ip> for the phase currents
1215 TIp 0.05 .. 10.00 s
0; +*
0.50 s Time multiplier for phase cur-
rents
1216 RMS FORMAT FUNDAMENTAL
TRUE RMS
FUNDAMENTAL RMS format for inverse time O/C
protection
1221 MAN.CLOSE I>> UNDELAYED
I> /Ip UNDELAYED
INEFFECTIVE
I>> UNDELAYED Overcurrent stage valid for
phase currents when the circuit
breaker is manually closed
1501 O/C EARTH ON
OFF
ON O/C protection for the earth cur-
rent
1502 IE>> 0.05 .. 25.00 I
N
0.50 I
N
Pick-up value of the earth cur-
rent for the high-set stage
1503 TIE>> 0.00 .. 60.00 s; +* 0.50 s Trip time delay of the high-set
current stage for the earth cur-
rent
1506 MEAS.REPET YES
NO
NO Option to set a measurement
repetition
1511 CHARACTER. NORMAL INVERSE
VERY INVERSE
EXTREMELY INVERS
NORMAL IN-
VERSE
Tripping characteristic for the
earth current
1512 IE> 0.05 .. 25.00 I
N
0.20 I
N
Pick-up value of the earth cur-
rent for the overcurrent stage
1513 TIE> 0.00 .. 60.00 s; +* 0.50 s Trip time delay of the overcur-
rent stage for the earth current
1514 IEp 0.10 .. 4.00 I
N
0.10 I
N
Pick-up value of the overcurrent
stage IEp for the earth current
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