3 4 Hp motor amps

Full load currents for 4volts, 2volts and 1volts motors - single and -phase. As a rules of thumb amps horsepower rating can be estimated to. V, 460V, 230V, 460V, 230V, 460V.

Caution: The actual motor amps may be higher or lower than the average values listed above. Power Rating ( hp ), 1VAC, 2VAC.

For more reliable motor protection, use the actual motor current as listed on the motor nameplate.

Note: the following table contains approximate full-load currents for motors of various types, speeds, and frequencies.

Current - Full-Load ( Amperes ). Typical common efficiencies of electric motor ODP and . The are only intended to be guidelines and in all cases the full load amps of the motor nameplate should be used for final calculations. Maximum Load is what the motor . Values will vary in service with load conditions, condition, age and type of motor. Motor Circuit Protection Tables.

Find Amps , Find HP , Find kVA ( Phase). When precise values are neede consult the motor nameplate data. Example : unit compressor size rated kw,4VAC, phase and pf,calculate the full load ampere?

Electric motors are often rated by one of two methods: amperes ( amps ) or horsepower (HP).

Horsepower amperage from Table 430- 2and resistance of wires from Table . Fuse and breaker sizes are derived from motor data calculators published by major electrical manufacturers. AC motors with normal torque characteristics. Fuse ratings for motors with special characteristics may . This is because the diode bridge is meant to carry current through all three legs.

We explain the relationship between running load amps (RLA), and full load amps (FLA) and lock rotor amps (LRA) ratings on electric motors. These electric motor horsepower formulas, definitions, and ratings are suitable for determining the horsepower of an air conditioner compressor motor , a fan motor , a well pump . Electrical - Electrical units, amps and electrical wiring, wire gauge and AWG, electrical formulas and motors .