Standard Electric Motor Sizes Hp

The high output motors are best suited for applications requiring a high power to size ratio and extend from frame size 90 to 315 or 1 1 to 350 kw with a minimum efficiency level of ie2.

Standard electric motor sizes hp.

3 phase induction motors of 1000v or lower. A motor sized for peak load alone may burn out rapidly in intermittent duty. 1 1 5 2 3 5 7 5 10 15 20 25 30 40 50 60 75 100 125 150 200 250 300 350 400 450 500 600 700 800 900 1000 1250 1500 1750 2000 2250 2500 3000 3500 4000 nominal voltage of not more than 600 v ac and nominal frequency 50 or 60 hz. Available in open drip proof weather protected type i and ii totally enclosed fan cooled and totally enclosed air to air cooled enclosures toshiba s medium voltage motor offerings range from 100 to 50 000 hp and 2300 to 13 800 v.

Teco westinghouse motor company teco electric europe ltd middle east atlas diba engineering trade co. For a 1 horsepower hp motor the load should typically be in the range 1 2 to 1 hp with maximum efficiency at 3 4 hp. Standardized motor dimensions are established by the national electrical manufacturers association nema are tabulated below and apply to all base mounted motors listed herein that carry a nema. Electric motors generators and drives the following are dimensional size charts for standard electric motor nema standard frames and configuration.

Horsepower 900 rpm 1200 rpm 1800 rpm 3600 rpm hp t frames 1964 present u frame 1952 present original nema t frames 1964 present u frame 1952 present original nema t frames. 803 324 3259 standard nema frames vs. 800 868 3770 fax. The wire breaker and fuse sizes are provided as a reference for the installer and are based on the 1996 national electrical code.

Standard motor catalogue aesv2e aesu2e series. Our motors are completely customizable due to our in house design engineering and manufacturing capabilities allowing us to not only meet but exceed your specific application requirements. Frame size 2 pole 4 pole 6 pole 100 5200 3600 2400 112 5200 3600 2400. Motors of higher speed usually take a lower current than that shown in the table.

However choosing the next larger size motor say 10 instead of 7 5 hp brings greater capacity for coping with. Note that most electric motors are designed to run at 50 to 100 of rated load and that maximum efficiency usually is near 75 of rated load. Motor hp voltage typical motor f l a.