Rockwell Automation 284E ArmorStart with EtherNet/IP - User Manual - Manual (Page 243)

Rockwell Automation Publication 280E-UM001B-EN-P - July 2012 243
Specifications for EtherNet/IP Chapter 11
Motor Overload Trip Curves
Figure 90 - Bulletin 280E/281E Overload Trip Curves
Class 15 Overload Curves
1
100
10000
0 100 200 300 400 500 600 700
Multiples for Full Load Current
Approximate Trip Time (sec)
Cold
Hot
Class 10 Overload Curves
1
10
100
1000
10000
0 100 200 300 400 500 600 700
Multiples of Full Load Current
Approximate Trip Time (sec)
Cold
Hot
Class 20 Overload Curves
1
100
10000
0 100 200 300 400 500 600 700
Multiples of Full Load Current
Approximate Trip Time (sec)
Cold
Hot
Class 10 Class 15
Class 20
%
% of
% of