Applicable Motor Output (HP):
10 in Light Duty, 7.5 in Normal Duty and 5 in Heavy Duty or 75 in Light Duty, 60 in Normal Duty and 50 in Heavy Duty (690V)/60 in Light Duty, 50 in Normal Duty and 40 in Heavy Duty (575V) or 1 in Light Duty and 0.5 in Normal Duty