CA01082E_Catalog 30

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 30.5 33.6 36.6 39.7 42.8 48.9 51.9 55.0 61.1 55.0 61.1 67.2 73.3 76.4 85.5 79.4 85.5 91.6 97.7 91.6 97.7 104 110 122 134 140 110 122 134 140 147 171

10kA

0.5kA 1kA 2kA 5kA 10kA 20kA 40kA 58.0 60.0 63.0 68.2 73.0 79.9 89.3 65.0 67.0 70.0 75.7 81.0 88.7 99.1

MH3036wx030yz 36 30 24 32.6 MH3036wx033yz 36 33 26.4 35.9 MH3036wx036yz 36 36 28.8 39.2 MH3036wx039yz 36 39 31.2 42.4 MH3052wx042yz 52 42 33.6 45.7 MH3052wx048yz 52 48 38.4 52.2 MH3052wx051yz 52 51 40.8 55.5 MH3052wx054yz 52 54 43.2 58.8 MH3052wx060yz 52 60 48 65.3 MH3072wx054yz 72 54 43.2 58.8 MH3072wx060yz 72 60 48 65.3 MH3072wx066yz 72 66 52.8 71.8 MH3072wx072yz 72 72 57.6 78.3 MH3072wx075yz 72 75 60 81.6 MH3072wx084yz 72 84 67.2 91.4 MH3100wx078yz 100 78 62.4 84.9 MH3100wx084yz 100 84 67.2 91.4 MH3100wx090yz 100 90 72 97.9 MH3100wx096yz 100 96 76.8 104 MH3123wx090yz 123 90 72 97.9 MH3123wx096yz 123 96 76.8 104 MH3123wx102yz 123 102 81.6 111 MH3123wx108yz 123 108 86.4 118 MH3123wx120yz 123 120 96 131 MH3123wx132yz 123 132 105.6 144 MH3123wx138yz 123 138 110.4 150 MH3145wx108yz 145 108 86.4 118 MH3145wx120yz 145 120 96 131 MH3145wx132yz 145 132 105.6 144 MH3145wx138yz 145 138 110.4 150 MH3145wx144yz 145 144 115.2 157 MH3145wx168yz 145 168 134.4 183

79.0 88.0 95.0 104 111 127 135 142 158 142 158 174 189 197 220 205 220 237 253 237 253 268 284 315 347 362 284 315 347 362 378 440

70.0 73.0 76.0 82.2 88.0 96.4

108 117 126 144 153 161 180 161 180 198 215 224 251 234 251 269 287 269 287 305 323 358 395 412 323 358 395 412 430 501

76.0 79.0 83.0 89.7 96.0

105 113 129 137 145 161 145 161 177 193 200 225 209 225 241 257 241 257 273 289 321 354 369 289 321 354 369 385 449

82.0 85.0 89.0 96.2

103 118 125 132 147 132 147 162 176 183 205 191 205 220 235 220 235 249 264 293 323 337 264 293 323 337 352 410

94.0 97.0

101 107 113 126 113 126 139 151 157 176 164 176 189 201 189 201 213 226 251 277 289 226 251 277 289 301 351

110 117 123 137 123 137 151 164 171 191 178 191 205 219 205 219 233 247 274 302 315 247 274 302 315 329 383

99.0 105 116 105 116 128 139 145 162 151 162 174 186 174 186 197 209 231 255 266 209 231 255 266 278 324

103 108 121 108 121 133 144 150 168 157 168 180 193 180 193 204 216 240 265 276 216 240 265 276 288 336

Page 49 | October 2023