Gegard2400 insulation system exceeds both the ieee 8412009 and nema mg1 31 specifications and the requirements of the iec 6003417 and 600341841 standards. Flanged split and solid small cross section flanged solid fits in cs as small as 0. Due to the standardization of features and implementation support from key users, ieee 841 severe duty motors have become an offtheshelf product. If the motor is nonstandard or has custom features, repair may be the only practical option. Diseno nema b segun nema mg1 2016, parte 12 diseno c disponible tefc o tenv debe cumplir ip55 segun nema mg 1 2016, parte 5. Drives a highinertia load in excess of the load wk2 listed in nema mg 1 part 20. Nema mg1 2011, ieee std 1122004, ieee std 841 2009 1. Only true specialpurpose inverterduty motors as discussed in nema mg 1 2011 part 31 are exempt in the u. Designed to meet nema mg1, mg and ieee 841 stock available in 460v and 575v. The insulation system definition comes from nema mg 1, along with some additional ieee standards. Making the right choice for low voltage motors can greatly affect total cost and reliability.
Knowledgebase visit our online resource for technical. For example, nema standard publication mg 1 covers nema frame size ac motors, commonly referred to as nema motors. Understanding motor nameplate information nema vs iec. Prepare for the new doe electric motor efficiency rule. Inertiaload acceleration capabilities for the 841 plus motor meet the stringent requirements of nema mg 1 2009, section 12. There are so many types and manufacturers of motors that it can be difficult to make the right selection for any given application. Bulletin cm212 ieee 841 motors are nema premium severe duty ac motors, 1 4. Due to the standardization of features and implementation support from key users, ieee 841 severe. Nema mg1 2011, ieee std 1122004, ieee std 8412009 1. If the frequency of the power supply does not change then d.
In north america, the national electric manufacturers association nema sets motor standards, including what should go on the nameplate nema standard mg 1 10. For extreme applications in the process industries such as chemical plants, pulp and paper mills, refineries, aboveground mines, food processing, foundries, and other severe duty environments where long life and ultrahigh efficiency are required. Jul 01, 2019 nema premium ieee 841 motors posted on july 1, 2019 by kurz industrial solutions. Nov 22, 2010 gegard2400 insulation system exceeds both the ieee 8412009 and nema mg1 31 specifications and the requirements of the iec 6003417 and 600341841 standards. Nema premium models are in compliance with eisa2007 meets ieee841 standard for severe duty applications 100% cast iron construction for rigidity and reduced vibration. Moving forward in response to user requests, there will be a version of ieee 841 developed to define a similar motor standard for iec metric motors in the 0. Is a vertical machine rated 375 kw 500 hp or greater. Nema standards are prevalent in all of these motor standards. When renewing a motor, it is not always possible to find an exact match with the. Nema premium ieee 841 motors posted on july 1, 2019 by kurz industrial solutions. Department of energy doe office of energy efficiency and renewable energy eere with. Motors must meet or exceed cee premium efficiency full load efficiencies. Nema is the publisher of nema mg 1 2014, a book that defines the manufacturing standards for alternatingcurrent ac and directcurrent dc motors in north america. Nema vs iec standards course content the motor standards can be grouped into two major categories.
The iec is the standard for electric motors for the rest of. Changes made for mg 1 2006 revision 1, published nov. Not in stock, available to order delivery time estimates are based on realtime product availability and standard ground shipping. Items that qualify will ship out same day if order is placed. Iec standards the motor standards can be grouped into two major categories. Sep 26, 2012 electrical and mechanical differences between nemaieee and iec ac low voltage random wound induction motors abstract. In some other countries, the governing standard is international electrotechnical commission iec 600341. We were a leader in the development of motors to withstand pwm drives evolution from power transistors to higher switching. It provides access to fundamental testing, as well as dimensional and application criteria relative to rotating machinery. They are tougher and better suited to an industrial environment. The specified performance of the machine does not require a special electrical design that could adversely impact the availability of new motors. Totally enclosed, rigid base, nema premium efficient applications.
For standard nema mg 1 motors of 5 hp and lower rating, renewal is typically more time and cost effective than overhaul. Electrical and mechanical differences between nema and. Severe duty motors deliver operational performance, lower ghg. A better ieee 841 toshiba, siemens, us motors, baldor.
W22 ieee 841 nema premium efficiency 10 hp 4p 215td 3ph 460 v. Specification specification guide vertical hollow and solid shaft high thrust nema frame motors totally enclosed fan cooled tefc standards referenced. The frequency referred to is the frequency of the alternatingcurrent power system to which the motor is connected. There is no standard specification on what a severe duty motor is, so designs vary. Maxe2841 nema premium efficiency inverter, severe duty, tefc. Weg 50 hp ieee 841 motor,3phase,1775 nameplate rpm,voltage. Ieee std 1122004 revision of ieee std 1121996 112tm ieee standard test procedure for polyphase induction motors and generators 3 park avenue, new york, ny 100165997, usa. Easy serviceability via oversized gasketed conduit box, containing permanently labeled nonwicking class h leads to a terminal board.
Scope this specification covers nema frame vertically mounted, pbase, 3phase, squirrel. Uses an adjustable speed drive as a source of power. Purchase tecowestinghouse, hh2004, 200 hp, 1800 rpm, 460 volts, 3 phase, tefc, 447t frame, maxe2841 lite electric motor from dealers industrial. Nema premium aluminum rotor industry mall siemens usa. Dec 17, 2011 the ieee 841 specification has evolved to define the premier severe duty product for nema frame motors less than 500hp. Nema is the north american standard for electric motors. The w22 ieee 841 motors were especially designed to operate in petrochemical and chemical industries. Understanding motor nameplate information nema vs iec standards. The ieee 841 specification has evolved to define the premier severe duty product for nema frame motors less than 500hp. Crossworks convert competitive catalog numbers to similar allenbradley products integrated architecture tools tools to help you plan and configure an integrated architecture system proposalworks build complete quotes and proposals other resources.
Nema develops standards for a wide range of electrical products, including ac motors. Nema motor standards provide foundation for industry nema. The ieee 841 2009 standard, which addresses premium efficiency, severe duty, totally enclosed fancooled tefc, squirrelcage induction motors up to. Jul 01, 2016 these api standards also rely on certain aspects of nema mg 1 in their definitions. Specification specification guide vertical hollow and solid shaft high thrust titan frame motors totally enclosed fan cooled tefc standards referenced. Weg 50 hp ieee 841 motor,3phase,1775 nameplate rpm. Ieee std 1122004, ieee standard test procedure for polyphase. Nema motor standards provide foundation for industry. Where text has been revised in more than one version, only the most recent is colorcoded. Ieee 841 motors, sometimes referred to as nema premium, are the globally accepted standard for motors being uses in the most extreme conditions. Nema mg1 2011, ieee std 1122004, ieee std 8412009, api std 5471st ed. Hyundai premium efficiency ieee841 rigid base 4star hose.
Generally speaking, such motors cannot be used as generalpurpose motors operating from a standard sine wave line and easily line started. For example, nema standard publication mg 1 covers nema frame size ac. This paper compares performance, design and construction details of nema. Ieee std 1122004, ieee standard test procedure for.
Nema premium efficiency plus copper rotor nema premium aluminum rotor sd100. Full load efficiency of all ratings is certified under the eev program of the csa. Electric motor manufacturers are currently operating under the energy independence and security act of 2007, which went into effect in december 2010. In the eu, inverterduty motors are exempt from their regulations as well. The premium efficiency motor selection and application guide and its companion publication, continuous energy improvement in motordriven systems, have been developed by the u. They could be viewed as a step between a full ieee 841 motor and a standard tefc. The primary standard for low voltage, random wound, induction motors in north american countries is national electrical manufacturers association nema mg 1 2011. Efficiencies meet or exceed most utility rebate programs and have been independently verified to ieee 112b standards. The ieee 8412009 standard, which addresses premium efficiency, severe duty, totally enclosed fancooled. Mechanical construction features ieee 841 motor component requirement benefit regreasable maintainability. A severe duty motor, in short, is an improvement over a standard totally enclosed fan cooled tefc motor. Api 610 compliant bronze construction standard 316 ss construction available upon request. The consortium for energy efficiency cee, a national, nonprofit public. Hyundai crown triton series offer above and beyond severe duty requirements with hyundai heavy industries ieee841 cface motors.
Electrical and mechanical differences between nemaieee and. Electrical and mechanical differences between nemaieee. In addition to manufacturing nema motors, siemens also manufactures motors larger than the largest nema frame size. Hyundai crown triton series electric motors ieee841. Electrical and mechanical differences between nema. Premium efficiency motor selection and application guide i acknowledgments the premium efficiency motor selection and application guide and its companion publication, continuous energy improvement in motordriven systems, have been developed by the u. W22 ieee 841 nema premium efficiency 10 hp 4p 215td 3ph.
As a minimum requirement, all motors shall conform to the latest applicable sections of nema standard no. These api standards also rely on certain aspects of nema mg 1 in their definitions. Plant engineering avoid overspecifying inverterduty motors. This paper compares performance, design and construction details of nema and iec three phase, low voltage. Tecowestinghouse hh2004 200 hp tefc factory new motor at. Selecting nema motors tefc, severe duty, or ieee 841.
Ip 6566 rating per nema mg 1 2003, see guardian configuration table in downloads. The ieee guide for the application of electric motors in class i, division 2 and class i, zone 2 hazardous classified locations was developed for use in the petrochemical industry by many professionals who also served in the ieee 841 wg. Nema mg 1 is the definitive standard for practical information concerning performance, safety, testing, construction, and manufacture of alternatingcurrent and directcurrent motors and generators. The iec is the standard for electric motors for the rest of the world. Severe duty motors deliver operational performance, lower. Ieee841 motor test report supplied with each motor suitable for 50 hz operation with 1. Exclusively distributed by worldwide electric, these motors include added features like. Department of energy doe office of energy efficiency and. The motor has cast iron frame, flexible mounting, solid and whole feet, low noise levels, anticorrosive internal coating and high efficiency. Estos niveles superiores a losepact energy policy act en 1997.