EBARA OM4A, Installation Manual

Page: 16 / 32

Model
OM4A INSTALLATION MANUAL
16
ELECTRICAL INSTALLATION
• Electrical connection: check the colors on the motor´s identification plate.
• Fuses and overload protection are recommended to keep the motor safe. For more
information, contact the Technical Assistance Department of Ebara.
• Single-phase 3 wires version: please use the control box provided by Ebara or choose a
panel according to Ebara´s specification so the motor will work correctly.
The motor should be grounded according
to the operating norms in current use.
INSTALLATION CABLE
The cable should be suitable for submersible use. The table which follows shows the
maximum lengths (expressed in meters) according to the transversal section (mm²).
OM4A
POWER
(HP)
CABLE SECTIONS IN mm²
2,5 4 6 10 16 25 35
4% 7% 4% 7% 4% 7% 4% 7% 4% 7% 4% 7% 4% 7%
Single-phase 127V
/ 60Hz
2 wires
0,5 27 47 43 76 64 113 108 188 170 297 264 461
Single-phase 220V / 60Hz
2 wires
0,5 109 192 175 307 262 458 438 766 685 1199
0,75 83 145 133 233 198 347 331 579 498 872
1 73 127 116 204 173 303 289 506 427 747
1,5 51 90 83 144 123 216 206 361 326 570
Single-phase
220V / 60Hz
3 wires
0,5 94 165 151 265
0,75 78 137 125 219
1 69 121 111 194 165 289
1,5 52 91 83 146 124 218 208 364
2 41 71 65 114 98 171 164 287 259 454
3 28 49 45 78 67 116 111 195 176 308 275 480
Single-phase
254V / 60Hz
3 wires
0,5 115 202 185 324
0,75 110 193 177 309
1 88 154 141 247 210 368
1,5 65 113 103 181 154 270 258 452
2 52 91 84 146 125 218 209 366 331 580
3 35 62 57 99 84 148 141 248 223 391 349 610
Three-phase 220V / 60Hz
0,5 227 398 363 634 538 941
0,75 163 285 261 456 387 678
1 129 226 206 361 307 537 511 894
1,5 92 161 147 258 219 384 366 640
2 72 126 115 201 171 300 286 500 449 785
3 56 99 90 158 135 235 224 392 352 616
4 44 76 70 122 104 182 174 304 273 478
5,5 56 97 83 145 138 242 217 380 336 589 458 801
7,5 41 71 60 106 101 176 158 277 245 429 334 584
10 49 85 81 141 126 221 194 340 262 459
Three-phase 380V / 60Hz
0,5 673 1179
0,75 496 868
1 381 667
1,5 275 482 441 771
2 215 376 344 601 512 896
3 170 298 273 477 406 710
4 131 230 210 368 313 548
5,5 104 183 167 292 249 435 415 726
7,5 76 133 122 213 181 317 302 529 475 831
10 62 108 98 172 146 256 243 425 380 665