IEC Class:C6-95 to C6-325
Standard:IEC237
creepage distance:380mm-1600mm
cantilever strength:6KN
Lightning impulse withstand voltage:95KV-325KV
Power frequency withstand voltage(wet):38KV-140KV

ANSI CLASS:57-1 to57-5
ANSI Standard:C29.7
creepage distance:356mm-1145mm
cantilever strength:12.5KN
Dry arcing distance:165mm-438mm
Power frequency flashover(wet):60KV-150KV

ANSI CLASS TR214/TR216
creepage distance:1092mm/1829mm
cantilever strength:8.9KN/6.7KN
torsion strength:62KN/71KN
compression strength:66.7KN/111KN
impulse withstand voltage:250KV/350KV

ANSI CLASS TR-210
creepage distance:940mm
cantilever strength:8.9KN
torsion strength:53KN
compression strength:66.7KN
impulse withstand voltage:200KV

ANSI CLASS TR-208
creepage distance:610mm
cantilever strength:8.9KN
torsion strength:44.5KN
compression strength:44.5KN
impulse withstand voltage:150KV

ANSI CLASS TR-205
creepage distance:394mm
cantilever strength:8.9KN
torsion strength:38KN
compression strength:44.5KN
impulse withstand voltage:110KV