CHAPTER 5: PROTECTION ELEMENTS THERMAL PROTECTION
MM300 MOTOR MANAGEMENT SYSTEM – QUICKSTART GUIDE 3
Figure 5-1: Standard overload curves
The trip times for the standard overload curves are tabulated below.
Table 5-1: 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
1.5
0
69.9
9
139.
98
209.
97
279.
96
349.
95
419.
94
489.
93
559.
92
629.
91
699.
90
769.
89
839.
88
909.
87
979.
86
1049
.9
x1
x15
100000
10000
1000
100
10
1.00
0.10
1.00
MULTIPLE OF FULL LOAD AMPS
TIME IN SECONDS
10
100
1000
806804A5.CDR
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