CA01082E_Catalog 30
30 - ARRESTERS - PRODUCTS
Porcelain Housed Surge Arresters – MH3/MH4
MH3 & MH4 Physical Characteristics
Power Frequency Withstand Voltage (kV)
Lightning Withstand Voltage (kV)
Switching Withstand Voltage (kV)
Grading Ring Height A - Inches (mm)
Grading Ring Diameter B - Inches (mm)
Um (kV)
Ur (kV)
Pollution Level*
Creepage Distance - Inches (mm)
Total Height - Inches (mm)
Drawing Figure
36
30-39
M/H/V
43.9 (1116)
31.7 (806)
276
220
108
1
52
42-60
M
43.9 (1116)
31.7 (806)
276
220
108
1
52
48
H/V
75.0 (1905)
38.1 (969)
360
300
159
1
72
54-84
M/H
75.0 (1905)
38.1 (969)
360
300
159
1
72
60
V
100 (2540)
44.1 (1121)
441
402
212
1
100
78-96
M/H
100 (2540)
44.1 (1121)
441
402
212
1
100
84
V
126 (3207)
50.6 (1286)
509
468
294
1
123
90-96
M
100 (2540)
44.1 (1121)
441
402
212
1
123
102-120
M
126 (3207)
50.6 (1286)
509
468
294
1
123
132-138
M
153 (3874)
57.1 (1451)
603
532
345
1
123
90-120
H
126 (3207)
50.6 (1286)
509
468
294
1
123
132-138
H
153 (3874)
57.1 (1451)
603
532
345
1
123
90-138
V
153 (3874)
57.1 (1451)
603
532
345
1
145
108-120
M
126 (3207)
50.6 (1286)
509
468
294
1
145
132-144
M
153 (3874)
57.1 (1451)
603
532
345
1
145
108-144
H
153 (3874)
57.1 (1451)
603
532
345
1
145
108-144
V
200 (5080)
82.6 (2099)
882
804
424
2
170
132-144
M
153 (3874)
57.1 (1451)
603
532
345
1
170
162-168
M
175 (4445)
76.6 (1946)
801
702
371
2
170
132-168
H
175 (4445)
76.6 (1946)
801
702
371
2
170
132-168
V
226 (5747)
89.1 (2264)
950
870
506
2
245
180-198
M
200 (5080)
82.6 (2099)
882
804
424
2
245
216
M
226 (5747)
89.1 (2264)
950
870
506
2
245
228
M
253 (6414)
95.6 (2429)
1018
936
588
3
15.0 (381)
25.2 (640)
245
180-228
H
253 (6414)
95.6 (2429)
1018
936
588
3
15.0 (381)
25.2 (640)
245
180-228
V
305 (7748)
109 (2759)
1206
1064
690
3
15.0 (381)
25.2 (640)
* M = Medium, H = Heavy, V = Very Heavy
www.hubbell.com/hubbellpowersystems | 30-53
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