general electric motor specifications

Designed for use in blowers, fans, pumps, conveyors, material handling, compressors and … The NEMA code letters are A, B, C, and D. Design A        AC induction motors with the design code letter A exhibit normal starting torque, but with high starting current. Choose from three-speed or two-speed, standard efficiency models. Emerson 5.5” Diameter Catalog No. eval(ez_write_tag([[468,60],'electricala2z_com-box-3','ezslot_2',105,'0','0'])); Figure 1. 12) Time rating. Franklin Cat. The synchronous speed of the electromagnetic field rotating about the inner face of a 4-pole motor operating at 50 Hz is only 1500 RPMs.eval(ez_write_tag([[250,250],'electricala2z_com-box-4','ezslot_15',108,'0','0']));eval(ez_write_tag([[250,250],'electricala2z_com-box-4','ezslot_16',108,'0','1'])); The nameplate shown in Figure 1 indicates the motor is rated for operation at 60 Hz. Motors are electrical devices that convert electrical energy into mechanical energy. Menu. The magnetic poles of the rotor’s electromagnet locks in or with the opposite poles of the stator assembly’s rotating magnetic field: The rotor assembly now turns at synchronous speed — at zero slip. "name": "Home" They also include servomotors. 3) Service Factor (SF) 4) Class Insulation. Most industrial AC induction motors are rated 3-phase, which means that the AC power supply is three separate yet interconnected single-phase AC lines with the voltages across the respective windings 120° out of phase with each other. The difference between the synchronous speed of 1800 RPMs (discussed in the previous section — this must be a 4-pole induction motor) and the rated 1725 RPM is the amount of slip between the two electromagnetic fields. The Evolution Series is a line of diesel locomotives built by GE Transportation Systems (now owned by Wabtec), initially designed to meet the U.S. EPA's Tier 2 locomotive emissions standards that took effect in 2005. The power to turn on your business. The classification of insulation, which reflects the operating temperature rating of the winding insulation, greatly affects the lifespan of an electric motor. Both the squirrel-cage rotor motors and the wound-rotor motors are induction motors. "@type": "ListItem", The nameplate shown in, The serial number, also assigned by the manufacturer, is used to identify a particular electric motor. H     Used on some 55 frame electric motors, the suffix letter H indicates that the base of these frames can be mounted in either 56, 743T, or 745T mounting positions. In some instances, information not specified by NEMA will also be listed on a nameplate. No. The General Electric GE9X is a high-bypass turbofan developed by GE Aviation exclusively for the Boeing 777X.It first ran on ground in April 2016 and first flew on March 13, 2018; it powered the 777-9's maiden flight in early 2020. Whether the electric motor will operate satisfactorily at low voltage or high voltage depends on the motor field-terminal winding connections. "url": "https://electricala2z.com/motors-control/electric-motor-nameplate-details-explained-electric-motor-specifications/", Electric Drilling Motors (GE Forms H, R, U and W) GEI-52758; Lubrication Specifications GEI-73029C; Inspection, Maintenance and Basic Overhaul GEK-64271; Inspection and Maintenance GEK-47175; Inspection and Maintenance GEK-64271; Shipping Instructions GEI-69852; Recommended Storage GEK-61777; Removing Motors and Generators from Storage GEK-2818 Figure 2. Made by GE. The new motor will not duplicate the older motor’s winding characteristics (e.g., resistance, inductance, amperage, or regulation). Standard features Design C        AC induction motors with the design code letter C exhibit high starting torques with low starting currents. The nameplate shown in, Induction motors have different operating characteristics determined by their design. Short-Time Duty — the motor operates at a substantially constant load for a short and definite, specified time. Features and Benefits { MV Induction Motors 500-7500 HP, 400-5600 kW. Four (4) split rings included if 21/2 inch diameter is required. JP    The suffix letters JP indicate that the jet pump shaft is designed for a packing type mechanical seal. Some of the common enclosures include: Explosion-proof (EXP) — these enclosures are designed for areas that have hazardous atmospheres; the end bells and the cylindrical motor housing are totally enclosed and non-vented.eval(ez_write_tag([[300,250],'electricala2z_com-large-leaderboard-2','ezslot_10',110,'0','0'])); Open Drip Proof (ODP) — these enclosures are probably the most common used. Smith Cat. For more information on what General Electric motors can do for you visit them at this link . GE Industrial Motors a Wolong Company manufactures electric motors from NEMA low voltage to medium voltage and DC motors. Intermittent Duty — the motor operates for alternate intervals of (1) load and no load; or (2) load and rest; or (3) load, no load, and rest. Industrial Computers and Embedded Systems, Material Handling and Packaging Equipment, Electrical and Electronic Contract Manufacturing, List your products or services on Engineering360, Energy Saver® NEMA Premium Efficiency -- ODP, Above NEMA (2300/4000 Volts) 509-5011 Frames. } ] [ As shown in Figure 1, this particular electric motor driving a 1 HP connected load will turn at 1725 RPMs, if supplied 208 VAC, 230 VAC, or 460 VAC at 60 Hz. The NEMA full-load efficiency indicates the overall efficiency of the AC induction motor. All 48 frame motors have a 1/2" diameter shaft and a 5-1/2" diameter body. © Copyright 2020 GlobalSpec - All rights reserved. { Operated at no load, the actual speed of the turning rotor will be close to the synchronous speed of the stator circuit’s rotating electromagnetic field. } When the torque requirements of the connected load reaches 1 horsepower, and the motor is supplied its rated voltage (208, 230 or 460 VAC, according to the AC supply voltage rating and the correct wiring connections) at 60 Hz, the actual speed of the turning rotor will drop to 1725 revolutions per minute (the nameplate listed RPM). NEC indicates that the kilovolt-amperes per horsepower at locked rotor for a type J rotor range from 7.1 to 7.99 kVA per HP. Need to find technical data for our innovative & high-quality U.S. MOTORS product lines? Wound-rotor AC induction motors are easily recognized by the three slip rings on the rotor shaft. Varying Duty — the motor operates at loads, and for intervals of time, both of which may be subject to wide variation.eval(ez_write_tag([[468,60],'electricala2z_com-narrow-sky-1','ezslot_20',112,'0','0'])); The duty cycle indicates the amount of time the motor is expected to operate. The wiring connections listed at the bottom of the nameplate have to be honored according to either the “low-voltage” configuration (208 or 230 VAC) or the “high-voltage” configuration (460 VAC). The letters include C, D, H, J, JM, JP, S, T, U, Y, and Z: C     The suffix letter C designates a flange-mounted electric motor. These motors exhibit normal starting torque with the low starting current. Electric motors with a frequency rating of 50/60 Hz shown on the nameplate are not uncommon. The full-load amps (FLA), full-load current (FLC), or rated-load current (RLC) of an AC induction motor (all three terms refer basically to the same thing) is the current drawn by the electric motor when it is operated at the rated load, rated voltage, and rated frequency (AC motors) as found on the motor nameplate. Top Selling Motors. No. Number of Phases. Category HP RPM Frame Enclosure Make Arm Voltage Condition RFQ View; DC Motors: 2500: 1000: 876: DPFVBB: General Electric: 700: USED Any electric motor with the letter T at end of the numerical frame size was manufactured after 1964. If the motor is operated in the service factor range continuously, it will cause a reduction in motor speed and efficiency, and an increase in the motor’s operating temperature. Monterrey, Mexico "name": "Electric Motor Nameplate Details Explained | Electric Motor Specifications" No other electric motor purchased from a given manufacturer should have the same serial number. A general rule of thumb when dealing with frame sizes is that the centerline shaft height above the bottom of the base in inches is equal to the first two digits of the frame number divided by 4. Each item on the nameplate shown in, The frequency of the sine waveform of the applied AC source is measured in. Enclosure: TEFC. The nameplate shown in. $7.40. motor’s basic rating (horsepower, armature volts, field volts, and field winding type). eval(ez_write_tag([[250,250],'electricala2z_com-narrow-sky-2','ezslot_22',115,'0','0']));eval(ez_write_tag([[250,250],'electricala2z_com-narrow-sky-2','ezslot_23',115,'0','1'])); Figure 4. A frame 145T frame, listed in, The thermal capacity of different insulations is rated as Class A, Class B, Class F, or Class H. These specific letters indicate the maximum degree of temperature each type of insulation is designed to handle over a 20,000-hour period with the electric motor operating at full load. The synchronous speed of the electromagnetic field rotating about the inner face of a 2-pole electric motor operating at 50 Hz (calculated in the same manner, but replacing the “60 cycles/second” with “50 cycles/second”) is only 3000 RPMs. 15) Others data Available from these sellers. When registering an electric motor for the manufacturer’s warranty, listing the model number identifies the type of motor placed under warranty, whereas the serial number segregates this particular motor from any other electric motor in the plant or another manufacturing facility. Skip to content. The bolt-holes are not threaded; instead, they are designed for bolts to pass through the holes. The stator winding current will be of low or minimum value; the slip will be near zero, and the delivered torque will be near zero. When the torque requirements of the connected load reaches 1 horsepower, and the motor is supplied its rated voltage (208, 230 or 460 VAC, according to the AC supply voltage rating and the correct wiring connections) at 60 Hz, the actual speed of the turning rotor will drop to 1725 revolutions per minute (the nameplate listed RPM). ValueLine High Efficiency, Vertical Hollow Shaft WPI High Thrust Motors. Product Line: Energy $aver SGR. GE Motors (7) Price. 42 48 56 56H 143T 145T 182 184 182T 184T 213 215 213T 215T 254U 256U 254T 256T 284U 286U 284T 286T 284TS 286TS 324U 326U 324T 326T 324TS 326TS 364U 365U 364T 365T 364TS 365TS 404U 405U 404T 405T 404TS 405TS 444U 445U 444T 445T 447T 449T 444TS 445TS 447TS 449TS. "@id": "https://electricala2z.com/category/motors-control/", Such factors as the amount of iron used in the stator assembly, the wire size and the number of turns of wire in the stator windings, and the rotor design (the type of squirrel-cage rotor) all play a part in establishing the operating characteristics of the ac induction motor. A manufacturer’s chart is generally required to determine the exact dimensions of the electric motor frame. J      The suffix letter J indicates that the electric motor is specially designed to mount to jet pumps. Use of this website signifies your agreement to our Terms of Use. To sell his engines, Watt decided to compare the amount of power his steam engine could produce to the working ability of a horse. The AC induction motor referred to in this electric-motor nameplate should have a starting current between 19.7 amps and 22.2 amps. "position": 1, The manufacturer’s chart normally lists the shaft height above the bottom of the base; the distance from the center hole on the front of the motor base mount to the center of the shaft; the distance from the bottom of the motor to the top; and the width of the motor excluding the terminal connection box.eval(ez_write_tag([[336,280],'electricala2z_com-leader-2','ezslot_11',118,'0','0'])); A general rule of thumb when dealing with frame sizes is that the centerline shaft height above the bottom of the base in inches is equal to the first two digits of the frame number divided by 4. Evolution Series locomotives are equipped with either AC or DC traction motors, depending on the customer's preference. GE Motors Datasheets for DC Motors. Electric Motors by Fasco, Century, Baldor, Marathon, Rotom and U.S. Motors. Used to start heavy loads, Design C motors exhibit a large amount of rotor slip when the load is added. At the time horses and mules were the means of travel and work. Electric-motor nameplate information. "@id": "https://electricala2z.com", The service factor (SF) specified on the motor nameplate gives the allowable horsepower overloading of the electric motor which may be carried out under the conditions specified for the service factor at rated voltage and rated frequency. The nameplate shown in Figure 1 indicates this electric motor has a continuous duty cycle. NEC stipulates “any motor application shall be considered to be for continuous duty unless the nature of the apparatus it drives is such that the motor cannot operate continuously with the load under any condition of use.”. This designation specifies the length of time that the motor can safely … Electric motors have a rated horsepower (HP) that is determined by the amount of torque they can produce at their running or baseline speed. When an AC induction motor is classified as;eval(ez_write_tag([[300,250],'electricala2z_com-leader-1','ezslot_12',111,'0','0'])); Continuous Duty — the motor operates at a substantially constant load for an indefinitely long time. "url": "https://electricala2z.com/category/motors-control/", Ball Bearings (84) Bearing Accessories (62) Roller Bearings (26) Suppliers. Maximum temperature specified on the motor nameplate indicates the maximum amount of rising in ambient temperature the electric motor will exhibit when operated continuously at the full load condition. The end bells and the cylindrical motor housing are sealed to prevent the entrance of moisture or dirt. The synchronous speed of the electromagnetic field rotating about the inner face of a 4-pole motor operating at 50 Hz is only 1500 RPMs. Full-load motor speed is determined by several factors, the main factor being the synchronous speed. Although started as an induction motor with the use of an, The locked-rotor code letter, which can be listed as either A, B, C, D, E, F, G, H, J, K, L, M, N, P, R, S, T, U, or V on the AC induction motor nameplate, is determined by the construction of the squirrel-cage rotor. Frame: 213T. We offer fabricated and pressed-to-size carbon brushes designed to maximize brush life and performance for any given application: Industrial, Fractional Horse Power (FHP), Slip Ring, Traction, Power Tool, Elevator, Fork Lift. Once started, DC power is applied to the winding of the electromagnet through the two slip rings. The nameplate shown in Figure 1 indicates this motor is rated at 1 horsepower. The allowable overloading is determined by multiplying the horsepower rating on the nameplate by the service factor. Such factors as the amount of iron used in the stator assembly, the wire size and the number of turns of wire in the stator windings, and the rotor design, The frame number on the nameplate indicates the type and size of the motor frame. These electric motors are not intended for with belt drives. 11) Locked rotor code. Product Categories < Electric Motors, Bearings & Parts > Bearings. No. "position": 2, AC Synchronous motors are easily recognized by the two slip rings on the rotor shaft. Home » Motors Control » Electric Motor Nameplate Details Explained | Electric Motor Specifications { CR306H103 - Manufacturer General Electric / GE Part Name: CR306H103; General Electric; Motor Starter; Type CR306; NEMA Size 00; 230-240VAC Coil . According to the rated service-factor, the increase in motor operating temperature will not cause undue deterioration of the insulation. Extreme-E® motors represent our most efficient running, highest performing line of motors. Motor operating temperature is determined by the temperature rise of the motor and by the surrounding ambient air temperature. Class H insulations have the highest operating-temperature rating at 1800C. Revolutions per Minute, or RPMs, (also referred to as “baseline speed”), indicate(s) the speed at which the electric motor will operate at rated load. "@id": "https://electricala2z.com/motors-control/electric-motor-nameplate-details-explained-electric-motor-specifications/", The term phase indicates the number of phases required in the electrical supply … GE manufactures quality low voltage AC induction and DC motors in North America. "@type": "ListItem", A frame 145T frame, listed in Figure 1, would have a shaft height of 3.5 inches (14 divided by 4) above the mounting base of the motor. This process will continue until the %-slip of the slowed rotor reaches about 20%, at which time the AC induction motor will enter breakdown torque and abruptly stop in a locked-rotor condition. Z      The suffix letter Z indicates that the electric motor has a special shaft. "itemListElement": As the torque requirements of the connected load increase — moving from no load toward full-load — the actual speed of the rotor begins to slow; the stator winding current; the amount of slip; and the delivered torque all begin to increase. The ValueLine product offering ranges from 5-300 HP and is compatible with a variable speed drive. The nameplate shown in, The NEMA full-load efficiency indicates the overall efficiency of the AC induction motor. Smith/ Century Cat. GE, General Electric 5KCP39GG H909AS Electric Motor T77887 Visit the GE Store. A 48 frame is a 48 frame. Synchronous motors are easily recognized by the two slip rings on the rotor shaft. The new motor will not duplicate the older motor’s drive end shaft dimensions or … The NEMA full-load efficiency basically lists as a percentage the amount of electrical energy supplied to the electric motor that is converted into kinetic energy. We deliver through three U.S. warehouses and channel partners with the highest quality and integrity. The thermal capacity of different insulations is rated as Class A, Class B, Class F, or Class H. These specific letters indicate the maximum degree of temperature each type of insulation is designed to handle over a 20,000-hour period with the electric motor operating at full load. The manufacturer establishes Service factors for motor operations at rated voltage, frequency, and ambient temperature at sea level conditions. A fan is normally mounted externally on a jackshaft on the non-drive end of the motor with a protective fan shroud to help cool the motor. They include brushless and gear motors, as well as servomotors. Design D        Like Design C motors, AC induction motors with the design code letter D exhibit high starting torques with low starting currents. DC Motors: Learn more. HP SF Voltage A.O. "item": The nameplate shown in Figure 1 indicates the motor enclosure is rated ODP. Often the outer surface of the cylindrical motor housing is molded with fins to increase the outer surface area of the housing. At 1050C, Class A insulations have the lowest operating-temperature rating of the four classes. Please click here to find technical data & other useful information. Rated in “pole pairs”, the synchronous speed of the electromagnetic field rotating about the inner face of a 2-pole motor operating at 60 Hz is 3600 RPMs: 60 cycles/second x 60 seconds/minute = 3600 cycles (rpms) /minute. Design A motors are designed for brief heavy overloads.eval(ez_write_tag([[250,250],'electricala2z_com-mobile-leaderboard-2','ezslot_19',117,'0','0'])); Design B        AC induction motors with the design code letter B are the most common. The movement of the stator circuit rotating electromagnetic field — due to the slip — cutting across the rotor windings induces a voltage upon the rotor windings. Besides the synchronous speed, the actual speed of the turning rotor depends on the torque requirement of the connected load. GE's Advanced Gas Path (AGP) is a great example of Power FlexEfficiency at work, setting new standards in performance. Brand Name: GE Item Weight: 20 pounds Number of Items: 1 Part Number: 5KCP39GG H909AS UNSPSC Code: 23260000 … The National Electrical Code defines “duty cycle “of an electric motor as any one of five different classifications:  either continuous, intermittent, periodic, short-time or varying duty. To establish some uniformity in the operating characteristics of ac induction motors, not too many years ago NEMA assigned code letters to general purpose motors based on factors such as starting current, % of slip, breakdown torque, and locked rotor torque. If connected to operate at 460 VAC, the AC induction motor should draw 1.7 amperes when operating at full load. It could be threaded or contain holes. If the motor is connected for low-voltage operation, as indicated by the terminal connections in the wiring diagram to the left on the nameplate, it will operate satisfactorily on either 208 or 230 VAC. 13) Power factor. 5) Motor Design. Infinity: 1 CT speed range CH to 90 Hz... GE has been manufacturing premium efficient motors since the late 1970s. The design is a result of much hard work and investment... GE is proud to introduce its new line of medium voltage totally enclosed fan-cooled (TEFC) induction motors called Quantum LMV. Continuous Drawworks Max. As discussed in Section 3 with the RPM of the motor, the AC induction motor will draw less than full-load current if operated either with no load or with a load rated less than the horsepower rating. The locked-rotor code letter, which can be listed as either A, B, C, D, E, F, G, H, J, K, L, M, N, P, R, S, T, U, or V on the AC induction motor nameplate, is determined by the construction of the squirrel-cage rotor. It has a specific threaded bolt-hole pattern on the shaft end of the motor housing (face of the motor) that permits direct mounting to the driven device. Since the intent of the electric motor nameplate is to list information concerning the specific motor, the information presented in this section may or may not be found on all motor nameplates. The term phase indicates the number of phases required in the electrical supply that the AC induction motor is designed to operate. The following specifications documents and dimension charts are available as Acrobat PDF files: These GE 5KCP39 PSC motors are designed for use as direct drive furnace blower motors. $395.53. } },{ The counter-electromagnetic field produced by the current flow in the rotor winding is what produces the torque or “motor action” of the AC induction motor. "@type": "BreadcrumbList", Search - Carbon Brushes by Application, Carbon Brushes by Category, Carbon Brushes by Size. U     The first time NEMA standardized motor frames were introduced in 1952. Selecting an electric motor with a service factor greater than 1 allows for cooler winding temperatures when the motor is operated either at rated load or at less than rated load; it protects the motor against intermittent heat rises; it helps to offset the excess heat produced by the variance in the single-phase AC winding currents due to low or unbalanced line voltages. 14) Thermal Protection. 8) Motor Connection. Did you find apk for android? Thru Bolt - 48 Frame - Single Speed AGL50FL1 1/2 1.00 115 CBT2052 BN23 13719 Category: General Purpose, Severe Duty. The latest Energy Saver design meets EISAct (Energy Independence & Security Act 2007) efficiency levels (which are based on... GE is proud to introduce its new line of medium and high voltage horizontal induction motors called Pegasus MHV. You can find new, Full-Load Current (FLC — Full-Load Amps: FLA), Temperature Rise or Insulation System Class, Since the intent of the electric motor nameplate is to list information concerning the specific motor, the information presented in this section may or may not be found on all motor nameplates. The type of squirrel-cage winding (configuration of the rotor bars that make up the squirrel cage) in the rotor greatly affects the running and full-load speed of a given AC induction motor. Cancel 800-270-4579. Marathon Cat. It doesn't matter if the motor is a Fasco, Century, Marathon, Genteq, Emerson or any other brand. The frame number on the nameplate indicates the type and size of the motor frame. Totally Enclosed Nonvented (TENV) — these enclosures are designed to be frequently hosed down. Universal Universal motors can operate at approximately the same speed and output on either DC or single-phase AC power. If the motor is connected to the high-voltage operation, as indicated by the terminal connections in the wiring diagram to the right on the nameplate, it will operate satisfactorily on 460 VAC. The synchronous speed of the electromagnetic field rotating about the inner face of a 4-pole electric motor operating at 60 Hz is 1800 RPMs. All are electrically reversible and include 21/4 inch resilient rings for base mounting. The standard frequency of the parallel utility electrical-power grid in Europe is 50 Hz.eval(ez_write_tag([[300,250],'electricala2z_com-medrectangle-4','ezslot_21',107,'0','0'])); The RPM of the electric motor depends on the applied frequency of the AC source and the number of magnetic poles per phase installed in the motor at the point of manufacture. Learn how our dedicated team, leading technology, and global reach and capabilities help the world work more efficiently, reliably, and safely. The stator circuit will draw the full-load current indicated on the nameplate (FLA) according to the voltage rating.eval(ez_write_tag([[250,250],'electricala2z_com-banner-1','ezslot_18',109,'0','0'])); If the torque requirements of the connected load increase beyond 1 horsepower and the motor is supplied either 208 volts, 230 volts, or 460 volts at 60 Hz: the actual speed of the turning rotor will slow down below the nameplate-rated RPM; the stator winding current will increase beyond nameplate FLA rating; the amount or percent of the slip will increase, and the delivered torque will increase in response to the mechanical overload. "@type": "ListItem", "item": And, although 2-phase AC induction motors do exist, their use is extremely rare in industry operating in the United States. GE rises to the challenge of building a world that works. The serial number, also assigned by the manufacturer, is used to identify a particular electric motor. Century AO Smith B182 Washer Motor, 5 HP, Cap Start Run, 3600 RPM, 208-230V, 56HCZ Frame. 8 Pages. },{ In formula; The frequency of the sine waveform of the applied AC source is measured in hertz (Hz — cycles per second). The end bells of the cylindrical motor housing have openings to permit ventilation through the motor windings. The flange diameter of D frame motors is larger than the body of the motor. A.O. The nameplate shown in Figure 1 indicates the electric motor is rated 1 HP. 3 Pages. S      The suffix letter S indicates that the electric motor has a short shaft and is to be directly coupled to a driven load. Time Rating or duty (DUTY). DC motors are most commonly used in variable speed and torque applications. The locked-rotor code letter can be used with the kVA values listed in National Electric Code to determine the approximate amount of inrush current that will be drawn from the power supply when the motor is started under load. If the horsepower requirements of the intended connected load fall between standard size horsepower ratings, it is generally better to install an electric motor of the next higher horsepower rating and operate it under load, rather than depend on operating the motor in the service factor range to attain the required horsepower rating. Since this is an AC induction motor and there is no external power supply to the rotor circuit, the rotor cannot turn at the synchronous speed of the electromagnetic field rotating about the inner face of the stator assembly. Normally from Motor Nameplate, we can found items below :-1) Voltage,Hertz & Ampere.

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