Applied Product Catalog 2016 2017 Page i6 Technical Reference

i6 Call your local Applied service center to order at 1-866-351-3464 or visit us online at Applied.com NEED TO FIND FORMULA HORSEPOWER - DC VOLTS X AMPS X EFFICIENCY 746 HORSEPOWER - AC VOLTS X AMPS X 1.732 X EFF X PF 746 WATTS-DC VOLTS X AMPS WATTS-AC VOLTS X AMPS X PF X 1.732 KILOWATTS VOLTS X AMPS X PF X 1.732 1000 AMPERES (DC) WATTS VOLTS AMPERES (AC) 746 X HORSEPOWER VOLTS X EFF X PF X 1.732 KVA VOLTS X AMPS X 1.732 1000 PUMP MOTOR HP GPM X HEAD IN FEET X SPEC GRAVITY 3960 X EFFICIENCY OF PUMP FAN MOTOR HP CFM X PRESSURE (LB/SQ FT) 33000 X EFFICIENCY ELECTRICAL To Find Alternating Current Single-Phase Three-Phase Direct Current Amperes when horsepower is known hp X 764 E X Eff X pf hp X 746 1.73 X E X Eff = pf hp X 746 E X Eff Amperes when kilowatts are known Kw X 1000 E X pf Kw X 1000 1.73 X E X pf Kw X 1000 E Amperes when Kva are known Kva X 1000 E Kva X 1000 1.73 X E - Kilowatts I X E X pf 1000 1.73 X I X E X pf 1000 I X E 1000 Kva I X E 1000 1.73 X I X E 1000 - Horsepower = (Output) I X E X Eff X pf 746 1.73 X I X E X Eff X pf 746 I X E X Eff 746 I = Amperes; E = Volts; Eff = Efficiency; pf = power factor; Kva = Kilovolt Amperes; Kw = Kilowatts; R = Ohms. To Find Alternating or Direct Current Amperes when voltage and resistance are known E R Voltage when resistance and current are known I R Resistance when voltage and current are known E I RULES OF THUMB 1 hp = 746 Watts or (.746 Kilowatts) At 3,600 rpm, a motor develops 18 lb.-in. per hp At 1,800 rpm, a motor develops 36 lb.-in. per hp At 1,200 rpm, a motor develops 54 lb.-in. per hp At 575 volts, a 3-phase motor draws 1 amp per hp At 460 volts, a 3-phase motor draws 1.25 amp per hp At 230 volts, a 3-phase motor draws 2.5 amp per hp At 230 volts, a single-phase motor draws 5 amp per hp At 115 volts, a single-phase motor draws 10 amp per hp All Values At 100 % Load Drive System Electrical Formulas Electrical Formulas

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