S2 Protection; Description; Standard Overload Curves - GE MOTOR MANAGER 2 Instruction Manual

4.3 S2 PROTECTION

4.3 S2 PROTECTION
This page is used to enter all information about the protection of the motor and the load. Setpoints
Page 2 is divided into four sections, MOTOR PROTECTION THERMAL, MOTOR PROTECTION
GROUND FAULT, MOTOR PROTECTION OPTIONS, LOAD PROTECTION and UNDER/OVER-
VOLTAGE PROTECTION.
Table 4–1: STANDARD OVERLOAD CURVE TRIP TIMES (IN SECONDS)
OVERLOAD
LEVEL
1.05 7200
1.10
4
1.20
1.30
1.40
1.50
1.75
2.00
2.25
2.50
2.75
3.00
3.50
4.00
4.50
5.00
5.50
6.00
6.50
7.00
7.50
8.00
The standard overload curves are shown in the following chart. Note that K+E 11" x 17" format of
time/overcurrent curves are available from factory upon request.
4-8
1 2 3
7200 7200
416 833 1250
198 397 596
126 253 380
91 182 273
70 140 210
42 84 127
29 58 87
21 43 64
16 33 50
13 26 39
10 21 32
7.8 15 23
5.8 11 17
4.5 9 13
3.6 7.2 10
3 6 9
2.5 5 7.5
2.1 4.2 6.3
1.8 3.6 5.4
1.6 3.2 4.8
1.4 2.8 4.2
MM2 Motor Manager 2

4.3.2 STANDARD OVERLOAD CURVES

CURVE NUMBER
4 5 6
7200 7200 7682
1666 2916 3750
795 1392 1789
507 887 1141
364 638 820
280 490 630
169 297 381
116 204 262
86 150 193
66 116 150
53 93 119
43 76 98
31 54 69
23 40 52
18 31 40
14 25 32
12 20 26
10 17 22
8.4 14 19
7.2 12 16
6.4 11 14
5.6 9.8 12
4 SETPOINTS

4.3.1 DESCRIPTION

7 8
10243 12804
5000 6250
2386 2982
1521 1902
1093 1367
840 1050
509 636
350 437
258 323
200 250
159 199
131 164
93 116
69 87
54 68
43 54
35 44
30 37
25 31
21 27
19 23
16 20
GE Power Management