Rockwell Automation Allen-Bradley Dialog Plus 1503D - Page 17

Product Overview 1-7
1560D-UM051D-EN-P – February 2005
Approximate trip time for 3-phase balanced
condition from cold start.
Approximate trip time for 3-phase balanced
condition from hot start.
Class 10 Class 15 Class 20 Class 30
Multiples of FLC Multiples of FLC Multiples of FLC Multiples of FLC
A
p
p
r
o
x
i
m
a
t
e
T
r
i
p
T
i
m
e
(
s
e
c
o
n
d
s
)
A
p
p
r
o
x
i
m
a
t
e
T
r
i
p
T
i
m
e
(
s
e
c
o
n
d
s
)
A
p
p
r
o
x
i
m
a
t
e
T
r
i
p
T
i
m
e
(
s
e
c
o
n
d
s
)
A
p
p
r
o
x
i
m
a
t
e
T
r
i
p
T
i
m
e
(
s
e
c
o
n
d
s
)
1.0
10.0
100.0
1000.0
10000.0
1 10 2 3 9 8 7 6 5 4
0.1
1.0
10.0
100.0
1000.0
1 10 2 3 9 8 7 6 5 4
1.0
10.0
100.0
1000.0
10000.0
1 10 2 3 9 8 7 6 5 4
1.0
10.0
100.0
1000.0
10000.0
1 10 2 3 9 8 7 6 5 4
Approximate trip time for 3-phase balanced
condition from cold start.
Approximate trip time for 3-phase balanced
condition from hot start.
Class 10 Class 15 Class 20 Class 30
Multiples of FLC Multiples of FLC Multiples of FLC Multiples of FLC
A
p
p
r
o
x
i
m
a
t
e
T
r
i
p
T
i
m
e
(
s
e
c
o
n
d
s
)
A
p
p
r
o
x
i
m
a
t
e
T
r
i
p
T
i
m
e
(
s
e
c
o
n
d
s
)
A
p
p
r
o
x
i
m
a
t
e
T
r
i
p
T
i
m
e
(
s
e
c
o
n
d
s
)
A
p
p
r
o
x
i
m
a
t
e
T
r
i
p
T
i
m
e
(
s
e
c
o
n
d
s
)
1.0
10.0
100.0
1000.0
10000.0
1 10 2 3 9 8 7 6 5 4
0.1
1.0
10.0
100.0
1000.0
1 10 2 3 9 8 7 6 5 4
1.0
10.0
100.0
1000.0
10000.0
1 10 2 3 9 8 7 6 5 4
1.0
10.0
100.0
1000.0
10000.0
1 10 2 3 9 8 7 6 5 4
Figure 1.6 – Overload Trip Curves
100000
1000
100
10
1
0
100% 1000%
Percent Full Load Current Setting
Auto Reset Times:
Class 10 = 90 s
Class 15 = 135 s
Class 20 = 180 s
Class 30 = 270 s
Class 10
Class 15
Class 20
Class 30
Seconda
100000
1000
100
10
1
0
100% 1000%
Percent Full Load Current Setting
Auto Reset Times:
Class 10 = 90 s
Class 15 = 135 s
Class 20 = 180 s
Class 30 = 270 s
Class 10
Class 15
Class 20
Class 30
Class 10
Class 15
Class 20
Class 30
Seconda
Figure 1.7 – Restart Trip Curves after Auto Reset
Note: Figures 1.6 and 1.7
provide the overload trip curves
for the available trip classes.