Standard Electric Motor Sizes Hp

Standard motor catalogue aesv2e aesu2e series.

Standard electric motor sizes hp.

The wire breaker and fuse sizes are provided as a reference for the installer and are based on the 1996 national electrical code. 800 868 3770 fax. 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. 3 phase induction motors of 1000v or lower.

Frame size 2 pole 4 pole 6 pole 100 5200 3600 2400 112 5200 3600 2400. 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. However choosing the next larger size motor say 10 instead of 7 5 hp brings greater capacity for coping with. Teco westinghouse motor company teco electric europe ltd middle east atlas diba engineering trade co.

A motor sized for peak load alone may burn out rapidly in intermittent duty. 803 324 3259 standard nema frames vs. 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. 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.

Motors of higher speed usually take a lower current than that shown in the table. 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. 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. Copper conductor 75 c rating.

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. Standard horsepower ratings for electrical motors 1 to 4000 hp are indicated below. All wiring should be performed by a licensed electrician or electrical contractor and must meet all applicable codes for the area where installed.