234.4 - Electrical data (continued)30XA 252-902 - units with options 254 and 255 or units with options 254 and 255 and option 8130XA 252 302 352 402 452 502 602 702 752 802 852 902Power circuitNominal power supply V-ph-Hz 400-3-50 ± 10%Control circuit 24 V via internal transformerMaximum start-up current*Circuit 1** A 269 269 287 402 505 505 574 606 773 805 805 893Circuit 2** A - - - - - - - - - - - -Option 81 A - - - - - - - - - - - -Nominal start-up current***Circuit 1** A 245 245 262 378 480 480 536 562 735 761 761 845Circuit 2** A - - - - - - - - - - - -Option 81 A - - - - - - - - - - - -Cosine Phi maximum**** 0.88 0.88 0.87 0.88 0.88 0.88 0.88 0.88 0.86 0.86 0.87 0.86Cosine Phi nominal† 0.85 0.85 0.84 0.84 0.85 0.85 0.85 0.85 0.83 0.84 0.84 0.85Maximum power input‡Circuit 1** kW 121 131 142 165 185 204 247 267 294 313 343 360Circuit 2** kW - - - - - - - - - - - -Option 81 kW - - - - - - - - - - - -Nominal unit current draw†Circuit 1** A 151 167 186 210 242 268 325 352 412 437 453 512Circuit 2** A - - - - - - - - - - - -Option 81 A - - - - - - - - - - - -Maximum unit current draw (Un)‡Circuit 1** A 198 215 235 270 303 335 404 436 494 524 572 613Circuit 2** A - - - - - - - - - - - -Option 81 A - - - - - - - - - - - -Option 231 A 182 196 213 242 272 305 364 397 450 481 531 855Maximum unit current draw (Un-10%)****Circuit 1** A 208 232 253 290 326 360 435 469 531 563 615 659Circuit 2** A - - - - - - - - - - - -Option 81 A - - - - - - - - - - - -30XA 1002-1702 - units with options 254 and 255 or units with options 254 and 255 and option 8130XA 1002 1112 1212 1312 1382 1402 1502 1702Power circuitNominal power supply V-ph-Hz 400-3-50 ± 10%Control circuit 24 V via internal transformerMaximum start-up current*Circuit 1** A 941 587 587 772 772 893 941 805Circuit 2** A - 772 772 772 772 587 587 761Option 81 A - 1085 1131 1198 1228 1248 1294 -Nominal start-up current***Circuit 1** A 865 587 587 772 772 845 865 761Circuit 2** A - 772 772 772 772 587 587 761Option 81 A - 1023 1039 1103 1118 1125 1143 -Cosine Phi maximum**** 0.87 0.86 0.87 0.87 0.87 0.86 0.87 0.87Cosine Phi nominal† 0.85 0.85 0.86 0.87 0.87 0.86 0.85 0.85Maximum power input‡Circuit 1** kW 420 182 211 256 278 390 420 343Circuit 2** kW - 279 302 278 299 210 210 343Option 81 kW - 460 512 531 571 600 630 -Nominal unit current draw†Circuit 1** A 552 258 274 340 356 530 556 452Circuit 2** A - 358 392 356 387 278 278 452Option 81 A - 616 666 696 743 808 834 -Maximum unit current draw (Un)‡Circuit 1** A 707 313 359 426 456 661 707 572Circuit 2** A - 459 496 456 491 354 354 572Option 81 A - 771 855 882 947 1015 1061 -Option 231 A 660 - - - - - - -Maximum unit current draw (Un-10%)****Circuit 1** A 760 332 381 462 494 711 760 615Circuit 2** A - 497 527 494 522 380 380 615Option 81 A - 828 908 956 1016 1091 1141 -* Instantaneous start-up current (operating current of the smallest compressor + fan current + locked rotor current in star connection of the largest compressor). Valuesobtained at operation with maximum unit power input.** 30XA 1402 to 1702 units: Circuit 1 supplies circuits A and B, circuit 2 supplies circuits C and D. 30XA 1112, 1212, 1312 and 1382 units: Circuit 1 supplies circuit A,circuit 2 supplies circuit B.*** Instantaneous start-up current (operating current of the smallest compressor + fan current + locked rotor current in star connection of the largest compressor).Values obtained at standard Eurovent unit operating conditions: air 35 °C, water 12/7 °C**** Values obtained at operation with maximum unit power input.† Values obtained at standard Eurovent unit operating conditions: air 35 °C, water 12/7 °C‡ Values obtained at operation with maximum unit power input. Values given on the unit name plate.Notes:1. Unit sizes 30XA 1112, 1212, 1312, 1382, 1402 to 1702 have two power connection points.