Applicable Motor Output (HP):
10 in Light Duty, 7.5 in Normal Duty and 5 in Heavy Duty or 50 in Light Duty, 40 in Normal Duty and 30 in Heavy Duty (690V)/40 in Light Duty, 30 in Normal Duty and 25 in Heavy Duty (575V) or 425 in Light Duty and 375 in Normal Duty