Standard Electric Motor Sizes

So if a motor is a 143t frame then all motors with a 143t frame will have the dimensions.

Standard electric motor sizes.

Low voltage servomotors include two series of high dynamic power hdp motors. The following are dimensional size charts for standard electric motor nema standard frames and configuration. 3 phase induction motors of 1000v or lower. Electrical electrical units amps and electrical wiring wire gauge and awg electrical formulas and motors.

Electric motor wiring 480 volt electrical motor wiring data nema amps starter size hmcp size for motors ranging 1 2 to 500 hp electrical induction motors synchronous speed the speed at which an induction motor operates depends on the input power frequency and the number of electrical magnetic poles in the motor. These motors provide an extremely good power to size ratio. Let s assume we have a 5055 3000kv brushless outrunner motor. Frame size 80 to 355 in foot flange and or foot flange combinations.

Premium efficiency ie3 to iec 60034 30 iec 60034 2 1 6. Frame size 2 pole 4 pole 6 pole 100 5200 3600 2400 112 5200 3600 2400. Brushless motors use a standard numbering scheme to describe their physical size and kv rating. 1 3 phase tefc cast iron at 50hz 400v and 525v as standard 2.

Industry standard base mounted motor dimensions which we have listed below. Electric motor calculator calculate amps hp and kva. We break the numbers out as follows. Electric motor efficiency calculate electric motor efficiency.

0 55kw to 400kw at 4 pole speed. Teco westinghouse motor company teco electric europe ltd middle east atlas diba engineering trade co. 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 frame designation. Standard motor catalogue aesv2e aesu2e series.

2 4 6 8 pole motors available ex stock as standard. 50 55 3000 50 the first two numbers represent the diameter of the motor s housing in millimeters. The high speed range covers standard motors in the 3600 5100 rpm speed area. Electrical induction motors synchronous speed the speed at which an induction motor operates depends on the input power.

Standard nema frames vs horsepower hp 900 rpm 1200 rpm 1800 rpm 3600 rpm t frames 1964 present u frame 1952 present original nema 1 1 5 2 3 5 7 5 10 15 20 25 30. In addition custom motors for specific applications have been made all the way up to 60 000 rpm.