Iec 6003421 specifies rules concerning efficiency testing methods and iec 6003430 defines efficiency classes for a wide range of electric motors connected direct on line iec 60034301 which becomes valid in 2014 takes a step further in widening. For the united states, ul 10041 is the general standard for rotating electrical machines and ul 10043 is the standard for thermally protected motors. Representatives from some 45 national iec committees ncs, including 15 countries with observer status, work together on the development of motor standards in the technical committee 2 tc2. Conform to en iec standards standards certification body standards file no.
The international electrotechnical commission iec is charged with international standards for electric rotating machines, i. This is certainly the case with respect to industrial motor control devices that adhere to standards from either the national electrical manufacturers association nema in north america or the international electrotechnical commission. For example, germany has its vde 0530 standard, great britain has its bs 26 standard and france has nf cs1100. However, iec uses numbers to describe enclosures, and there are a lot of them. Premium efficiency motor selection and application. The availability of standard motors is shown in the section 1. That means a nema motor is not always interchangeable with an iec motor. Our motors are suitable for a broad number industries and applications. The electrical insulation system for wires used in generators, electric motors, transformers, and other wirewound electrical components is divided into different classes by temperature and temperature rise. Founded in 1906, the iec international electrotechnical commission is the worlds leading organization for the preparation and publication of international standards for all electrical, electronic and related technologies. The designation iec means that the motors conform to standards. A general report on the standards development of iec and cenelec focusing on variable frequency drives has been presented by m. The designation iec means that the motors conform to standards developed by the international electrotechnical commission.
Motor guide basic technical information about low voltage standard motors. Unless otherwise the name plate specifies, all the squirrelcage, 3 phase, induction motors lower than v and smaller than 315 frame size can safely run continuously at the speed in the table below. Pdf electric motor standards, ecodesign and global. Iec 345, rotating electrical machines, part 5, classification of degrees of protection provided by enclosures of rotating electrical machines. Iec standard harmonized european standard description of standards. The motor standards can be grouped into two major categories. The iec standard for ac motors learning electrical engineering. Abb 5 basics of iec motors enclosures this is the area where iec standards get very specific. Iec 6003430 defines new efficiency classes for motors and harmonizes the currently different requirements for induction motor efficiency levels around the world.
Technical note iec 6003430 standard on efficiency classes. Ecodesign for power drive systems, motor starters, power electronics and their driven applications general requirements for setting energy efficiency standards for power driven equipment. Many iec standards have been somewhat nationalized. Lowvoltage electric motors siemens electric motors. Typically used for replacement on machine tools, textile tools, textile machinery and other equipment with metric dimensions but requiring the high torque and performance of motors designed for use in north america. Although they adhere to different standards, both methods are intended to determine the performance of the motor.
These standards differ from nema standards and can be found in iec 34116. You also get lifecycle services that add value for your operations and optimize your cost of ownership. Nema frames sizes are larger than the iec frame sizes, allowing the use of more active materials. Guide for the application of cage induction motors when fed from converters iec 60038. Low voltage motors basics of iec motors esr motor systems. How international standards for electric motors support policy of countries using these in. Headquartered in geneva, switzerland, iec standards reach over 150 countries. Download global iec motors book pdf free download link or read online here in pdf. The new standard iec 60034301 was published in march 2014, replacing its predecessor iec 6003430 from 2008. A published iec standard can be purchased in hardcopy and pdf from. These low power consumption contactors are designed to control motors and other loads.
Motor guide february 2014 low voltage motors motor guide. This paper describes a comparative study of induction motor testing standards ieee 112 and newly published iec 6003421, primarily used in the united states and europe, respectively. For example, the us established the nema standards for electric motors, which differed a lot from the eu standards. For example, iec standardizes the frame size of motors.
The following motors are excluded from iec 6003430. These motors meet north american performance standards and premium energy efficiency mandates and have a 1. Iecnema standard permanent magnet synchronous motorsvolcano. In most of the rest of the world, the international electrotechnical commission iec sets the standards. Tc2 cross reference table for standards on rotating machinery. Pdf standards for efficiency of electric motors researchgate. Simotics lowvoltage motors cover a wide range of motors from 0. Iec 6003421 specifies rules concerning efficiency testing methods and iec 6003430 defines efficiency classes for a wide range of electric motors connected direct on line. Standard format for iec standards electric motor systems.
Iec standards for motors the international electrotechnical commission iec is charged with international standards for electric rotating machines, i. Conform to eniec standards standards certification body standards file no. The frame is exactly same with the induction motors, but overcome the disadvantages of induction motors with higher efficiency approx. Abb motors low voltage general performance motors m2000. Understanding motor nameplate information nema vs iec. The same can be said with minor exceptions for standards worldwide. In some cases, nema motors will meet iec specifications, but the two are not identical. Representatives from some 45 national iec committees ncs, including 15 countries with observer status, work together on the development of. Motors completely integrated into a machine for example, pump, fan or compressor that cannot be tested separately from the machine 04 m2qa motors abb lv motors. Assists users in the proper selection and application of motors and generators. Standard format for iec standards learning from motor. The motors can be used either direct on line or for converter operation in combination with the wide range of sinamics converters. Iec low voltage motors guide electrical engineering portal.
Iec 60034302 energy efficiency classification of variable speed motors as a component. All books are in clear copy here, and all files are secure so dont worry about it. The aging consists of exposing special test coils in. Ce marking ul1004 ul2111 ul e64197 low voltage directives csa c22. Iec is the organization responsible for motor standards in the european community. In north america, the national electric manufacturers association nema sets motor standards, including what should go on the nameplate nema standard mg 110. Under specified measuring conditions in accordance with iec 600341 standard, insulation class f for an electric motor means that at ambient temperature of 40c.
Starting performance of singlespeed threephase cage induction motors this part of iec 60034 specifies the parameters for eight designs of starting performance of singlespeed threephase 50 hz or 60 hz cage induction motors in. Or at least many countries base their standards very closely on the iec standards for. Ieee standard test procedure for polyphase induction motors and generators 3 park avenue, new york, ny 100165997, usa ieee power engineering society sponsored by the electric machinery committee 4 november 2004 print. Nema and iec premium efficiency motors schneider electric. Iec 600341841 covers type i insulation systems typically randomwound stators, while the iec 600341842 document covers type ii insulation typically formwound coils. They conform to iec and nema standards and they are highly efficient. Over its centuryplus history, iec has developed standards that tend to be more specific than nema standards. Iec 6003430 standard on efficiency classes for low voltage ac motors iecen 6003430 standard was published by the international electrotechnical commission in october 2008. Iec standard contactors our bulletin 100c offers spacesaving, highperformance design in 9. Underwriters laboratories ul is an independent testing organization that sets standards for motors and other electrical equipment. Catalog high voltage induction motors technical catalog for. Iec induction motor standards search engineering360. Degree of protection for electrical equipment purpose. Mechanic vibration for machines with driveshaft heights of 56 mm or more.
Standards for superpremium efficiency class for electric motors. Some of standard iec nema frame motors these pmsm motors are offered to replace some induction motors in the market. Compared with the old iec standard from 2008, which defined three efficiency values for threephase asynchronous motors, the updated standard iec 60034301 has the additional efficiency class ie4. The iec standard for ac motors learning electrical. It also recommends the accelerated aging test method be the same as those described in 12 for randomwound machines or 14 for formwound machines. Iec, the international electrotechnical commission, is a nonprofit organization that develops and publishes standards concerning electrical technologies, of which a truly wide variety exists in todays modern world. Ieee std 1122004, ieee standard test procedure for. Iec 60034301 which becomes valid in 2014 takes a step. Tesys motor starter products manual motor protectors, contactors, and overload. Open dripproof and totally enclosed are the descriptive words nema uses.
Theyre likely to be iec clones or close derivatives. Contains practical information concerning performance, safety, testing, construction and manufacture of ac and dc motors and generators. Standard iec motors our low, medium and high voltage electric motors are compliant with various international standards. Information guide for general purpose industrial ac small and medium squirrelcage induction motor standards. Many iec standards have been some what nationalized. Catalog high voltage induction motors technical catalog. Interchangeability standards bf series tefc motors are in accordance with cenelec. Nema vs iec clearing up the confusion standards are supposed to make life easier by guiding the way to which products can safely incorporate into designs and panels. However, in 2008 these eff standards changed to the current iec standards for electric motors to overcome the international inconsistencies in regulations between electric motor standards and efficiency classes. Industrial electric motors and drives iec quick reference chart horizontal shaft arrangements vertical shaft arrangements ip22 open drip proof ac or dc motors. These standards define a collection of tests for both low and mediumvoltage motors up to 7.
Motor insulation class nema standards electrical motor insulation classification. Documents sold on the ansi standards store are in electronic adobe acrobat pdf format, however some iso and iec standards are. This part of iec 60034 specifies the parameters for four eight designs of starting performance of singlespeed threephase 50 hz or 60 hz cage induction motors in accordance with iec 600341 that. Iec 6003430 standard on efficiency classes for low voltage ac motors the international electrotechnical commission has introduced a new standards relating to energy efficient motors. In addition, 60hz operation enables higher power density and. The standard defines efficiency classes for motors and harmonizes the currently different requirements for induction motor efficiency levels around the world. The international electrotechnical commission iec has introduced standards relating to energy efficient motors. Foreword 1 the international electrotechnical commission iec is a worldwide organization for standardization comprising all national electrotechnical committees iec national committees. Iec standards for the energy efficiency of motors here is a list of the current status of iec standards prepared. To summarize the following four standards dealing with the degree of protection for electrical equipment. The main dimensions of our bf series tefc motors are according to iec 721 1991 that refers. The ul and cul marking on groschopp motors means that the motor has been independently tested by ul and that it conforms to the relevant ul safety standards. Abb motors low voltage general performance motors m2000 cast.
Additional features include dual voltages and frequencies to meet most international standards without having to rerate the motor, saving time and money. Selection of energyefficient motors including variable speed applications application guide. Iec low voltage motors with our expertise and comprehensive portfolio of low voltage motors we help you to improve reliability, energy efficiency and productivity of your processes. Reference guide low voltage motors basics of iec motors. Standard motors up to 750 kw are available with the. All halter motors are perfectly designed to drive pumps, fans, compressors and other mechanical traction equipment. Nema threephase induction motors defer testing to institute of electrical and electronics engineers standard 112b and canadian standards association standard 39010, while iec motors standard for testing is iec standard 6003421. This is certainly the case with respect to industrial motor control. Ihs markit is your source for iec standards and publications.
But sometimes they can also cause confusion, such as when two standards address the same type of product. Iecnema standard permanent magnet synchronous motors. This site is like a library, you could find million book here by using search box in the header. Iec standards for electric motors magnetic innovations. Read online global iec motors book pdf free download link book now. Commission iec is the global governing body for electric motors. Starting performance of singlespeed threephase cage induction motors this international standard specifies the parameters for four designs of starting performance of singlespeed threephase 50 hz or 60 hz cage induction motors in accordance with iec 600341 that. Safe running speed for the squirrelcage induction motors. Iec ac motors global iec motors marathon electrics globetrotter iec motor meets iec design n and nema design b torque characteristics. During this maintenance cycle, the requirements of ex na motors will be removed from iec 60079154 and integrated into the 5th edition of iec 6007972 for increased safety with a new. Electric motors included by the iec standards single speed electric motors single and three phase, 50 and 60 hz.
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