Specifications A-5
Bulletin 280G/281G, Continued
Figure A.9 Overload Trip Curves
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 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 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