HHO
Selection Guide
Under Oil Transformer and Switchgear Protection
HHOZ-B, Current-Limiting, Back-Up,
Current ratings [A]; 6.3, 10, 16, 20, 25, 31.5, 40, 50, 63, 80, 90, 100, 112, 125, 145
L=254mm
L=359mm
Page
Page
7.2kV
2.5" Clip
3013236.6.3 - 112 161 3023436.125 -145
161
12kV
2.5" Clip
163
3014436.6.3 - 100 163 3023736.6.3 - 125
15.5kV
2.5" Clip
165
3029436.6.3 - 80
3029336.6.3 - 63 165
24kV
2.5" Clip
3015636.6.3 - 80 167
Current ratings [A]; 6.3, 10, 16, 20, 25, 31.5, 40, 50, 63, 80, 100, 125
L1=360mm
L1=440mm
Page
Page
12kV
M8 / G 1/8" w / Striker M8 / M8 - No Striker
3031016.6.3 - 125 169 3031011.6.3 - 125 169
24kV
M8 / - w / Striker M8 / M8 - No Striker M8 / G 1/8" w / Striker
3031211.6.3 - 80 171 3031215.6.3 - 80 171
171
3031216.6.3 - 80
36kV
M8 / G 1/8" w / Striker M8 / M8 - No Striker
3032316.10 - 25 3032311.10 - 25
173 3032411.31.5 - 40
173
173 3032416.31.5 - 40 173
HHOZ-G, Current-Limiting, General-Purpose Current ratings [A]; 8, 10, 12, 16, 20, 22, 40, 50, 63 L1=360mm Page L1=440mm Page
12kV
M8/M8 -No Striker M8 /G 1/8" w/ Striker
3031096.8 - 63 3031091.8 - 63
175 175
17.5kV
M8/M8 - No Striker M8 /G 1/8" w/ Striker
3031191.10 - 20 3031196.10 - 20
177 177
24kV
M8/M8 - No Striker M8 /G 1/8" w/ Striker M8 /G 1/8" w/ Striker M8/M8 - No Striker
3031296.8 - 20 3031291.8 - 20
179 179
3031396.25 - 40 3031391.25 - 40
181 181
E=292mm HHOD-B, DIN Style Current-Limiting, Back-Up, Current ratings [A]; 6.3, 10, 16, 20, 25, 31.5, E=192mm Page E=367mm Page
E=442mm
E=537mm
Page
Page
Page
24kV
183 183
3046513.50 - 63 3033013.20 - 40
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