—

400 — — — — 477 382 95

450 — — — — 515 412 103

500 — — — — 590 472 118 — — — —

*For 90 and 80 percent power factor, the figures shall be multiplied by 1.1 and 1.25, respectively.

Table 430.251(A) Conversion Table of Single-Phase Locked-Rotor Currents for Selection of Disconnecting Means and Controllers as Determined from Horsepower and Voltage Rating

For use only with 430.110, 440.12, 440.41, and 455.8(C).

Maximum Locked-Rotor Current in

Rated Amperes, Single Phase

Horsepower 115 Volts 208 Volts 230 Volts

!/2 58.8 32.5 29.4

% 82.8 45.8 41.4

1 96 53 48

l'/2 120 66 60

2 144 80 72

3 204 113 102

5 336 186 168

7'/2 480 265 240

10 600 332 300

Table 430.251(B) Conversion Table of Polyphase Design B, C, and D Maximum Locked-Rotor Currents for Selection of Disconnecting Means and Controllers as Determined from Horsepower and Voltage Rating and Design Letter For use only with 430.110, 440.12, 440.41 and

455.8(C).

Maximum Motor Locked-Rotor Current in Amperes, , Two- and Three-Phase, Design

C, and D*

Rated

B,

115 Volts 200 Volts 208 Volts 230 Volts 460 Volts 575 Volts

Horsepower B, C, D B, C, D B, C, D B, C, D B, C, D B, C, D

Vi 40 23 22.1 20 10 8

VA 50 28.8 27.6 25 12.5 10

1 60 34.5 33 30 15 12

l'/2 80 46 44 40 20 16

2 100 57.5 55 50 25 20

3 — 73.6 71 64 32 25.6

5 — 105.8 102 92 46 36.8

7'/2 — 146 140 127 63.5 50.8

10 186.3 179 162 81 64.8

15 — 267 257 232 116 93

20 — 334 321 290 145 116

25 — 420 404 365 183 146

30 — 500 481 435 218 174

40 — 667 641 580 290 232

50

834 802 725 363 290

60 — 1001 962 870 435 348

75 — 1248 1200 1085 543 434

100 — 1668 1603 1450 725 580

125 — 2087 2007 1815 908 726

150 — 2496 2400 2170 1085 868

200 — 3335 3207 2900 1450 1160

250 _ _ 1825 1460

300

— — — 2200 1760

350 — — — — 2550 2040

400 — — — — 2900 2320

450 — — — — 3250 2600

500 — — — — 3625 2900

"'Design A motors are not limited to a maximum starting current or locked rotor current.