CHAPTER 4: PROTECTION ELEMENTS
THERMAL PROTECTION
MM200 MOTOR MANAGEMENT SYSTEM – QUICK START GUIDE
23
Figure 4-1: Standard overload curves
The trip times for the standard overload curves are tabulated below.
Table 4-1: Standard overload curve trip times (in seconds)
PIC
KUP
(× F
LA)
STANDARD CURVE MULTIPLIERS
× 1
× 2
× 3
× 4
× 5
× 6
× 7
× 8
× 9
× 10 × 11 × 12 × 13 × 14 × 15
1.0
1
4353
.6
8707
.2
1306
1
1741
4
2176
8
2612
2
3047
5
3482
9
3918
3
4353
6
4789
0
5224
3
5659
7
6095
1
6530
4
1.0
5
853.
71
1707
.4
2561
.1
3414
.9
4268
.6
5122
.3
5976
.0
6829
.7
7683
.4
8537
.1
9390
.8
1024
5
1109
8
1195
2
1280
6
1.1
0
416.
68
833.
36
1250
.0
1666
.7
2083
.4
2500
.1
2916
.8
3333
.5
3750
.1
4166
.8
4583
.5
5000
.2
5416
.9
5833
.6
6250
.2
1.2
0
198.
86
397.
72
596.
58
795.
44
994.
30
1193
.2
1392
.0
1590
.9
1789
.7
1988
.6
2187
.5
2386
.3
2585
.2
2784
.1
2982
.9
1.3
0
126.
80
253.
61
380.
41
507.
22
634.
02
760.
82
887.
63
1014
.4
1141
.2
1268
.0
1394
.8
1521
.6
1648
.5
1775
.3
1902
.1
1.4
0
91.1
4
182.
27
273.
41
364.
55
455.
68
546.
82
637.
96
729.
09
820.
23
911.
37
1002
.5
1093
.6
1184
.8
1275
.9
1367
.0
x1
x15
100000
10000
1000
100
10
1.00
0.10
1.00
MULTIPLE OF FULL LOAD AMPS
TIME
IN
SECONDS
10
100
1000
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