Rockwell Automation MV SMC Flex Motor Controller (for Series K or later) - Manual (Page 19)

Rockwell Automation Publication 1560E-UM051F-EN-P - June 2013 9
Product Overview Chapter 1
Figure 9 - Overload Trip Curves
Figure 10 - Restart Trip Curves after Auto Reset
Class 10 Class 15 Class 20 Class 30
Multiples of FLC Multiples of FLC Multiples of FLC
Appr
ox
ima
te T
rip T
ime
(Sec
on
ds)
Appr
ox
ima
te T
rip T
ime
(Sec
on
ds)
Appr
ox
ima
te T
rip T
ime
(Sec
on
ds)
Appr
ox
ima
te T
rip T
ime
(Sec
on
ds)
Approximate trip time for 3-phase
balanced condition from hot start Approximate trip time for 3-phase
balanced condition from cold start
100000
1000
100
10
1
0
100% 1000%
100000
1000
100
10
1
0
100% 1000%
Percent Full Load Current Setting
Se
co
nd
s
Class 10
Class 15
Class 20
Class 30
Auto Reset Times:
Class 10 = 90 s
Class 15 = 135 s
Class 20 = 180 s
Class 30 = 270 s