100 M Ω or more when 500 VDC megger is applied between the windings and the frame after rated motor operation under normal ambient temperature and humidity.
Dielectric Strength
Sufficient to withstand 1.5 kV at 50 Hz or 60 Hz applied between the windings and the frame for 1 minute after rated motor operation under normal ambient temperature and humidity.
Temperature Rise
Temperature rise of windings are 176°F (80°C) or less measured by the resistance change method after rated motor operation with connection to gearhead.