CA01082E_Catalog 30

30 - ARRESTERS - PRODUCTS

Porcelain Housed Surge Arresters – MH3

MH3 Electrical Characteristics

Temporary Overvoltage Capability (kVrms)

Maximum Steep Current Impulse Residual Voltage (kV)

Maximum Switching Impulse Residual Voltage (kV)

Base Arrester Catalog Number

Maximum Lightning Impulse Residual Voltage (kV)

Um (kV)

Ur (kV)

Uc (kV)

1s

10s

10kA

0.5kA 1kA 2kA 5kA 10kA 20kA 40kA

MH3170wx132yz MH3170wx138yz MH3170wx144yz MH3170wx162yz MH3170wx168yz MH3245wx180yz MH3245wx192yz MH3245wx198yz MH3245wx216yz MH3245wx228yz MH3300wx216yz MH3300wx228yz MH3300wx240yz MH3300wx258yz MH3300wx264yz MH3362wx258yz MH3362wx264yz MH3362wx276yz MH3362wx288yz MH3420wx330yz MH3420wx336yz MH3420wx360yz MH3420wx372yz MH3420wx378yz MH3420wx390yz MH3420wx396yz MH3420wx420yz

170 132 105.6 170 138 110.4 170 144 115.2 170 162 129.6 170 168 134.4

144 150 157 176 183 196 209 235 248 235 248 261 281 287 215

134

347 362 378 425 440 504 520 567 598 567 598 629 676 693 676 693 724 755 865 880 944 975 991 1022 1038 1100 473

255 266 278 324 347 370 382 313 439 462 497 509 497 509 532 554 636 647 693 417 439 417

265 276 288 324 336 360 384 396 432 456 432 456 480 528 552 576 660 720 743 756 779 792 839 671 516 528 516

277 289

302

323 337 352 396 440 469 484 528 557 528 557 586 630 645 630 645 674 703 806 820 410 908 923 952 967 1025 879

354 369 385 434 449 482

395

140 147 165

315

412

301

329 370 383

430 484

339

171

351

501

245 245 245 245 245

180 144 192 153.6 198 158.4 216 172.8 228 182.4

183 195 202 220 232 220 232 244 263 269 263 269 293 336 342 366 379 385 397 403 428 281

377 401 414 452 477 452 477 502 539 552 539 552 577 602 690 702 752 777 790 814 827 877

411

538 574 592 646

438 452 493 520 493 520 547 588 602 588 602 630 657 753 766 848 862 889 903 821

514

530 578 610 578 610 642 690 706 690 706 738 770 883 898 963 994 1011 1042 1059

681

300 216 172.8 300 228 182.4 300 240 192 300 258 206.4 300 264 211.2

646

681

717

770 789 770 789 824 860 986

362 362 362 362

258 206.4 264 211.2 276 220.8 288 230.4

281

287

300

313

420 330 264 420 336 268.8 420 360 288 420 372 297.6 420 378 302.4 420 390 312 420 396 316.8 420 420 336

359 366 392 405

1003 1075

716

1110

411

728

1129 1164 1183 1254

424

751

431

762

457

808

957

1122

30-50 | www.hubbell.com/hubbellpowersystems