Unit Rating | Required 60 Hertz Rated Voltage Test | Required 60 Hertz Double-Rated Voltage Test | Either of These Withstand Tests | |||
---|---|---|---|---|---|---|
Rated Line Voltage (nns kV) |
One Minute Test Voltage (nns kV) |
Maximum Allowable Boom Current (rms microaperes) |
One Minute Test Voltage (nus kV) |
Maximum Allowable Boom Current (nns microamperes) |
60 Hertz Two (2) Second Withstand Voltage Test (nns kV) |
Switching Surge Withstand Voltage Test (crest kV) |
46 & below |
27 |
27 |
54 |
54 |
80 |
114 |
69 |
40 |
40 |
80 |
80 |
120 |
170 |
138 |
80 |
80 |
160 |
160 |
240 |
340 |
230 |
133 |
133 |
265 |
265 |
400 |
565 |
345 |
200 |
200 |
400 |
400 |
600 |
850 |
500 |
288 |
288 |
578 |
578 |
720 |
1020 |
765 |
442 |
442 |
885 |
885 |
1105 |
1560 |