K = cooling factor units = seconds – GE Industrial Solutions EntelliPro ES User Manual
Page 125
CHAPTER 3: MOTOR PR OTECTION
EP OS MOTOR MANAGEMENT SY STEM – INSTRUCTION MANUAL
3.13
M otor
Heating
Class 35
K = 1
Class 35
K = 2
Class 35
K = 3
Class 35
K = 4
Class 35
K = 5
Class 35
K = 6
Class 35
K = 7
Class 35
K = 8
Class 35
K = 9
Class 35
K = 10
Class 35
K = 11
Class 35
K = 12
Class 35
K = 13
Class 35
K = 14
Class 35
K = 15
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
90
124.2
248.4
372.6
496.8
621
745.2
869.4
993.6
1117.8
1242
1366.2
1366.2
1366.2
1738.8
1863
80
262.2
524.4
786.6
1048.8
1311
1573.2
1835.4
2097.6
2359.8
2622
2884.2
2884.2
2884.2
3670.8
3933
70
419.75
839.5
1259.25
1679
2098.75
2518.5
2938.25
3358
3777.75
4197.5
4617.25
4617.25
4617.25
5876.5
6296.25
60
601.45
1202.9
1804.35
2405.8
3007.25
3608.7
4210.15
4811.6
5413.05
6014.5
6615.95
6615.95
6615.95
8420.3
9021.75
50
815.35
1630.7
2446.05
3261.4
4076.75
4892.1
5707.45
6522.8
7338.15
8153.5
8968.85
8968.85
8968.85
11414.9
12230.25
40
1078.7
2157.4
3236.1
4314.8
5393.5
6472.2
7550.9
8629.6
9708.3
10787
11865.7
11865.7
11865.7
15101.8
16180.5
30
1416.8
2833.6
4250.4
5667.2
7084
8500.8
9917.6
11334.4
12751.2
14168
15584.8
15584.8
15584.8
19835.2
21252
20
1894.05
3788.1
5682.15
7576.2
9470.25
11364.3
13258.35
15152.4
17046.45 18940.5 20834.55 20834.55 20834.55
26516.7
28410.75
10
2709.4
5418.8
8128.2
10837.6
13547
16256.4
18965.8
21675.2
24384.6
27094
29803.4
29803.4
29803.4
37931.6
40641
Figure 3-9: Thermal cooling model when trip curve is set to IEC class 35.
K = Cooling Factor
Units = seconds