Metric Motors Frame Sizes

For this reason calling motors with 2 digit frame sizes fractionals is somewhat misleading.
Metric motors frame sizes. Electrical motor efficiency ratings nema electrical motor efficiency ratings. Integral horsepower motors the term integral horsepower motors generally refers to those motors having three digit frame sizes such as 143t or larger. 4 14 2004 11 47 31 am. 1 9 mm shaft dia 0 787 inch shaft length horizontal shaft 3000 rpm 40 deg c 45 1 oz inch 90 2 oz.
Flanges come pre fitted with oil seals and have all the necessary hardware for easy field mounting. The above chart provides typical baldor reliance motor dimensions. From it s motor s frame size. Terminal box on motors up to size 225 the terminal box is an integral part of the frame.
5000 frame d e 2f h o p u v aa ab ba 5008s 5008l 12 1. Leeson now stocks metric iec reduced diameter b14 flanges so you can put a 71 frame flange on an 80 frame motor for example. Frame l449t is not included in this chart. 1 hp 75 kw 1800 rpm 80d frame 230 460v leeson electric metric motor 192244.
Metric mm dimensions in black i nch d im eso r d d dc motors 1 m. Motors sizes 250 and above have a conven tional terminal box that can rotate 180. Electrical motors full load amps full load currents for 460 volts 230 volts and 115 volts motors single and 3 phase. The motors bf6 400 or 1000 and 750 rpm are formed by copper bars brazed to copper end rings using medium frequency technology.
Nema c face ba dimensions 143 5tc 2 3 4 182 4tc 3 1 2 213 5tc 4 1 4 254 6tc 4. As standard in this. Metric iec b14 face kits includes parts to convert these b3 rigid mount motors to a. When dealing with these frame sizes one rule of thumb is handy.
For more exact dimensional data please check the specific drawing for each catalog number. Please refer to the large ac motor chart or to the specific motor drawings for l449t dimensions. Baldor electric company p o. Metric electric motors standard foot mount b14 c flange b5 d flange.
Please check motor drawing for actual dimensions. Both also have standards in place to designate. Electrical motor shaft power electrical motors are rated in horsepower or watt. Similar to nema iec publishes standard 60034 1 2010 the standard outside north america.
1 hp 75 kw 3600 rpm 80 frame 230 460v leeson electric metric motor 192264. The iec is the standard for electric motors for the rest of the world. 039 7 25 4. Leeson re 970 series dn low voltage iec dc metric motor continuous duty totally enclosed non ventilated enclosure zinc plated frame 56d frame steel frame 12a full load full load efficiency.
Nema and iec motors are similar in size efficiency and output power.