Rockwell Automation 193 193-5.0: Bulletin 913/592 SMP-3 Solid-State Overload Relay User Manual
Page 52
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Chapter 4 – Functional Description
4-4
Figure 4.2 SMP-3 Trip Curves – Class 15
Approximate trip time
for 3-phase balanced condi-
tion from cold start.
Approximate trip time
for 3-phase balanced condi-
tion from hot start.
1.0
10.0
100.0
1000.0
10000.0
1
10
2
3
9
8
7
6
5
4
Multiples of Full Load Current
Approximate T
rip
T
ime
(sec.)
Figure 4.3 SMP-3 Trip Curves – Class 20
Approximate trip time
for 3-phase balanced condi-
tion from cold start.
Approximate trip time
for 3-phase balanced condi-
tion from hot start.
Multiples of Full Load Current
Approximate T
rip
T
ime
(sec.)
1.0
10.0
100.0
1000.0
10000.0
1
10
2
3
9
8
7
6
5
4
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