15 Hp Electric Motor Frame Size

Similarly the d dimension of a 213 frame motor is 5 21 divided by 4 5.

15 hp electric motor frame size.

Motor dimensional chart nema c and j face mounting dimensions mounting dimensions of 1the 156j face are exactly the same as the nema 456c. A good field reference for maintenance and troubleshooting is ugly s electric motor and controls ugly s electric motors and controls 2014 edition this calculator is based on information found in this reference guide and can help electricians troubleshoot maintenance and control circuits. Three digit frame numbers are by definition integral frames. Electrical electrical units amps and electrical wiring wire gauge and awg electrical formulas and motors.

By nema definition two digit frame numbers are fractional frames even though 1 hp or larger motors may be built in them. 1200 1952 rerate 1964 rerate. Dimension of a 213 frame motor is 5 21 divided by 4 5. The mystery of motor frame size.

56j face 5has 3a threaded shaft of stainless steel while all others have a keyed steel shaft. Refer to nema standard dimension chart and variations below. Electrical motors frame dimensions nema electrical motor frame dimensions nema national electrical manufacturers association national electrical manufacturers association nema a b c and d electrical motor design nema has established four different designs a b c and d for electrical induction motors. Electrical induction motors synchronous speed the speed at which an induction motor operates depends on the input power.

Motor wire size and circuit protection calculator. 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. Three digit frame numbers are by definition integral frames. Table 1 open drip proof three phase frame sizes general purpose rpm nema program hp orig.

56c 56hc 56j 143tc and 145tc. See illustrations and table below for speci cs. To zoom in use the keyboard to focus on the arrow icon within the product image. 15 hp general purpose motor 3 phase 1770 nameplate rpm 230 460 voltage 254 6t frame.

Bearing diameters were also increased to accommodate the larger shaft sizes and heavier loads associated with the higher horsepowers. Electric motor efficiency calculate electric motor efficiency. By nema definition two digit frame numbers are fractional frames even though 1 hp or larger motors may be built in them. Electric motor calculator calculate amps hp and kva.

3600 1952 rerate 1964 rerate orig. Industrial electric motors have been available for nearly a century. The zoom feature provides no benefit to users who are blind. In that time there have been a great many changes.

The third numeral indicates the distance between the mounting holes parallel to the base.