CA01082E_Catalog 30

30 - ARRESTERS - PRODUCTS

Porcelain Housed Surge Arresters – MH4

MH4 Electrical Characteristics

Temporary overvoltage capability (kVrms)

Max steep current impulse residual voltage (kV)

Maximum switching impulse residual voltage (kV)

Maximum lightning impulse residual voltage (kV)

Base Arrester Catalog Number

Um (kV)

Ur (kV)

Uc (kV)

1s

10s

20kA

0.5kA

1kA

2kA

5kA

10kA

20kA

40kA

MH4170wx132yz MH4170wx144yz MH4170wx162yz MH4170wx168yz MH4245wx180yz MH4245wx192yz MH4245wx198yz MH4245wx216yz MH4245wx228yz MH4300wx216yz MH4300wx228yz MH4300wx240yz MH4300wx258yz MH4300wx264yz MH4362wx258yz MH4362wx264yz MH4362wx276yz MH4362wx288yz MH4420wx330yz MH4420wx336yz MH4420wx360yz MH4420wx372yz MH4420wx378yz MH4420wx390yz MH4420wx396yz MH4420wx420yz MH4550wx420yz MH4550wx444yz

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

153 167 188 195 209 223 230 264 278 299 306 299 306 320 334 383 390 432 438 452 459 487 487 251 264 251 418

143 156 175

369 401 452 468 502

252 274 309

261

271

291

310 337 380 394 422 450 464 506 506 535 563 604 535

336 365

370 402 453 470 503 537 553 603 638 603 638 720 737 720 737 770 804 923 939 671

284 320 332 355 379 426 450 426 450 508 520 508 520 544 567 651 663 710 733 745 768 780 827 828 876 391 474

295 332 345 369 394 406 442 468 442 468 492 528 540 540 565 589 676 689 528

317

357 370 396 423 436 475 502 475 502 529 567 580 567 580 607 633 727 740 818 831 857 870 923 924 977 792

412

181

321

427 457 488 503 548 580 548 580 654 669 654 669 700 730 838 853 943 958 989 610 914

245 245 245 245 245

180 144 192 153.6 198 158.4 216 172.8 228 182.4

194

343 366 378

207

535

214

551

233 246 233 246 259 279 285 279 285 298 356 363 389 402 408 428 454 454 480 311 421

601

412

636

435

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

601

412

636 669

435 458

718

491

734

503

618

362 362 362 362

258 206.4 264 211.2 276 220.8 288 230.4

718

491

604

734 767 801 919 936

503 526 548 630 641 686 708 720 754 799 800 743

618

646 674 774 788 844

420 330 264 420 336 268.8 420 360 288 420 372 297.6 420 378 302.4 420 390 312 420 396 316.8 420 420 336 550 420 336 550 444 355.2

1003 1035

738

1006 1038 1055 1088 1105 1172 1173 1241

761

871

1051

773 798 810 859 860

885

1084

913

1101

927 983 984 1041

1004 1064 1065

1168 1169 1236

515

847

910

1127

30-52 | www.hubbell.com/hubbellpowersystems