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PowerPact H-, J-, and L-Frame Circuit Breakers
Trip Curves
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PowerPact H- and J-Frame Thermal-Magnetic Trip MCP Instantaneous Trip Points
Table 143: M71 Instantaneous Trip Points
Automatic Setting (A) Manual Adjustment (A)
I
m
Setting 1 2 6x 8x 9x 10x 11x 12x 13x
Motor Type
NEMA A, B, C, D B, E
(FLA) x (I
m
)
IEC N H
FLA
1.5 12 16.5 9 12 13.5 15 16.5 18 19.5
3 24 33 18 242730333639
6 48 66 36 485460667278
8 64 88 48 6472808896104
11 88 121 66 88 99 110 121 132 143
14 112 154 84 112 126 140 154 168 182
17 136 187 102 136 153 170 187 204 221
20 160 220 120 160 180 200 220 240 260
25 200 275 150 200 225 250 275 300 325
Dampening for motor in-rush (% FLA) 1300% 1700% 1300% —
Table 144: M72 Instantaneous Trip Points
Automatic Setting (A)
1
1
± 5% of nominal amperage shown above.
Manual Adjustment (A)
1
I
m
Setting 1 2 6x 8x 9x 10x 11x 12x 13x
Motor Type
NEMA A, B, C, D B, E
(FLA) x (I
m
)
IEC N H
FLA
14 112 154 84 112 126 140 154 168 182
17 136 187 102 136 153 170 187 204 221
21 168 231 126 168 189 210 231 252 273
24 192 264 144 192 216 240 264 288 312
27 216 297 162 216 243 270 297 324 351
29 232 319 174 232 261 290 319 348 377
32 256 352 192 256 288 320 352 384 416
36 288 396 216 288 324 360 396 432 468
42 336 462 252 336 378 420 462 504 546
Dampening for motor in-rush (% FLA) 1300% 1700% 1300% —