CHAPTER 1: INTRODUCTION
FEATURES PER PRODUCT
UR FAMILY – COMMUNICATIONS GUIDE
1-9
1
Motor Start
Supervision
1
1
Negative
Sequence
Directional OC
# of
elements
if at least
one CT
bank and
one VT
bank
3
2
2
2
2
2
2
2
2
3
Negative
Sequence
Instantaneou
s Overcurrent
# of
elements
if at least
one CT
bank
3
2
2
2
2
2
2
2
2
3
Negative
Sequence
Overvoltage
C70
# of
voltage
banks if
at least
one
3
3
Negative
Sequence
Overvoltage
# of
elements
if at least
one
voltage
bank
3
3
3
3
3
3
3
3
3
3
Negative
Sequence
Time
Overcurrent
# of
elements
if at least
one CT
bank
3
2
2
2
2
2
2
2
2
3
Neutral
Current
Unbalance
# of
current
banks
3
3
Neutral
Directional
Overcurrent
3
1
2
2
2
2
2
2
2
2
2
3
3
Neutral
Instantaneou
s Overcurrent
# of CT
banks if
at least
one
6
6
1
1
Neutral
Instantaneou
s Overcurrent
# of
elements
if at least
one CT
bank
12
8
6
2
6
12
8
4
4
8
8
12
12
Neutral
Overvoltage
# of
elements
if at least
one VT
bank
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
Neutral Time
Overcurrent
# of
elements
if at least
one CT
bank
6
6
6
6
2
4
6
6
2
2
4
4
6
6
6
6
Neutral
Voltage
Unbalance
# of
voltage
banks
3
3
Non Volatile
Latches
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
Open Pole
Detect
(supervisory)
1
1
Feature
Rule
Max B30 B90 C30 C60 C70 D30 D60 F35 F60 G30 G60 L30 L60 L90 M60 N60 T35 T60