TOSHIBA - 78
TX Series 48 - 1250A
Appendix A - Reference Section
Typical Full Load Current for 3 Phase Motors
HP 115V 200V 208V 230V 460V 575V 2300V 230V 460V 575V 2300V
0.5 4.4 2.5 2.4 2.2 1.1 0.9
0.75 6.4 3.7 3.5 3.2 1.6 1.3
1 8.4 4.8 4.6 4.2 2.1 1.7
1.5 12 6.9 6.6 6 3 2.4
2 13.6 7.8 7.5 6.8 3.4 2.7
3 11 10.6 9.6 4.8 3.9
5 17.5 16.7 15.2 7.6 6.1
7.5 25.3 24.2 22 11 9
10 32.2 30.8 28 14 11
15 48.3 46.2 42 21 17
20 62.1 59.4 54 27 22
25 78.274.8683427 532621
30 92 88 80 40 32 63 32 26
40 120 114 104 52 41 83 41 33
50 150 143 130 65 52 104 52 42
60 177 169 154 77 62 16 123 61 49 12
75 221 211 192 96 77 20 155 78 62 15
100 285 273 248 124 99 26 202 101 81 20
125 359 343 312 156 125 31 253 126 101 25
150 414 396 360 180 144 37 302 151 121 30
200 552 528 480 240 192 49 400 201 161 40
250 302 242 60
300 361 289 72
350 414 336 83
400 477 382 95
450 515 412 103
500 590 472 118
(AMPERES)(AMPERES)
* For 90 and 80 percent power factor, the figures shall be multiplied by 1.1 and 1.25, respectively.
SYNCHRONOUS TYPEINDUCTION TYPE
SQUIRREL CAGE AND WOUND ROTOR UNITY POWER FACTOR*
Typical Maximum Allowable Start and Stops per hour
ABCABCABC
1 151.275305.838341533
1.5 12.9 1.8 76 25.7 8.6 38 29.1 23 34
2 11.5 2.4 77 23 11 39 26.1 30 35
3 9.9 3.5 80 19.8 17 40 22.4 44 36
5 8.1 5.7 83 16.3 27 42 18.4 71 37
7.5 7 8.3 88 13.9 39 44 15.8 104 39
10 6.2 11 92 12.5 51 46 14.2 137 41
15 5.4 16 100 10.7 75 50 12.1 200 44
20 4.8 21 110 9.6 99 55 10.9 262 48
25 4.4 26 115 8.8 122 58 10 324 51
30 4.1 31 120 8.2 144 60 9.3 384 53
40 3.7 4 130 7.4 189 65 8.4 503 57
50 3.4 49 145 6.8 232 72 7.7 620 64
60 3.2 58 170 6.3 275 85 7.2 735 75
75 2.9 71 180 5.8 338 90 6.6 904 79
100 2.6 92 220 5.2 441 110 5.9 1181 97
125 2.4 113 275 4.8 542 140 5.4 1452 120
150 2.2 133 320 4.5 640 160 5.1 1719 140
200 2 172 600 4 831 300 4.5 2238 265
250 1.8 210 1000 3.7 1017 500 4.2 2744 440
HP
ALLOWABLE STARTS AND STARTING INTERVALS
DESIGN A AND B MOTORS
2 POLE 4 POLE 6 POLE
