MARATHON ELECTRIC Since 1913, Marathon Electric s name has been recognized for engineering excellence, custom-designed products and an extensive product line of industrial quality motors. Available in all popular enclosures from 1/12 HP through 3000 HP and in a variety of mounting configurations, Marathon Electric s unique designs provide more ways in which to add accessories, such as blowers, brakes and encoders, to our motors than anyone else in the motor business. Our state-of-the-art lab facilities are equipped and staffed with the finest resources available to ensure successful utilization of our products. Finally, as the preferred supplier of motors to most of the top drive manufacturers in North America, we have what it takes to be a leader in understanding the interaction of drives as they are applied with AC induction motors. WEBSITE AND E-COMMERCE Information can be accessed instantly, any time of the day on ME-business. Marathon customers can sign-up for ME-business by contacting their sales representative. ME-business can be accessed through: www. marathonelectric.com. Stock Availability Order Status Shipping Information Invoice Information Product features and performance data Marathon Electric Nameplate Information - HOW TO READ A MARATHON ELECTRIC NAMEPLATE The nameplate is the key to selecting the proper replacement motor. 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 32 33 21 22 23 24 25 26 27 28 29 Motor Specifications (Example) 1 30 31 Agency Symbols CSA Verification Mark - Complies with CSA s Energy Efficiency Verification Service and their Standard C390 - C390 is the Canadian efficiency equivalent of EPAct. Underwriters Laboratories, Inc. UL Recognized Component Mark UL file # CE (Conformité Européene) Marking This mark signifies the motor complies with the European Low Voltage Directive. CSA Mark - Certified by the Canadian Standards Association CSA file # CC# - Compliance Certification Number as per assigned by the Department of Energy. Motors meeting EPAct efficiencies or higher will have this number. 1. MODEL - The ID number 2. DATE CODE - The month and year manufactured 3. MTG. - Mounting 4. FRAME - The size & mounting 5. PART NO. - Customer part number 6. SER. - Serial number 7. TYPE - Electrical type 8. DES. - Code by NEMA or IEC 9. PH - Electrical phase usually 1 or 3 10. INS CL - Insulation Class 11. DUTY - Time rating under load 12. MAX AMB - The allowable surrounding air temperature 13. ENCL - Enclosure (i.e. TEFC) 14. RISE - The temperature rise over ambient expressed in degrees Celsius when the motor operates at nameplated HP or KW 15. IP - Inherent Protection of the enclosure to solids and liquids as defined by IEC 34-5 16. IC - Inherent Cooling 17. CODE - NEMA locked-rotor KVA 18. MTH/YR MFG. - Month and year motor was manufactured 19. WT/LBS - Motor weight in pounds 20. WT/KG - Motor weight in kilograms 21. HZ - Input frequency of the power supply, usually 50 or 60 HZ 22. VOLTS - Voltage rating of the motor at the operating frequency 23. HP - Rated horsepower the motor will produce 24. KW - Rated output in watts 25. F.L. AMPS - The rated load current expressed in amps at nameplated horsepower with nameplate voltage and frequency 26. S.F. - Percentage of the rated horsepower the motor can safely operate at: Example: 1.15 SF (115% of rated HP) 27. PF / COS - Power Factor / Cosine is the ratio of actual power to the apparent power 28. RPM - Full load speed at rated frequency 29. NOM EFF - Average Efficiency 30. SHAFT END BEARING - Manufacturer drive end bearing number 31. OPP. END BEARING - Manufacturer opposite drive end bearing number 32. SHAFT END BRG - Drive end bearing size 33. OPP - Opposite drive end bearing size 5
HOW TO READ A MODEL NUMBER: Each Marathon Electric motor carries a model number that can be used to define some of the motor s physical and electrical characteristics. Example (For Fractional): 1PC48C17D2000AP This is a breakdown of the model on the nameplate: 1 P C 48 C 17 D 2000 A P 1 2 3 4 5 6 7 10 11 12 This is a breakdown of the model in the catalog: 48 C 17 D 2000 4 5 6 7 10 Example (For Integral): 2QA215TBDRA7076ALL This is a breakdown of the model on the nameplate: 2 Q A 215T B D R A 7076 AL L 1 2 3 4 5 7 8 9 10 11 12 This is a breakdown of the model in the catalog: 215T B D R A 7076 4 5 7 8 9 10 1. Date Code - Year of Manufacture (Not shown in catalog listings.) 2. Thermal Protection (Not shown in catalog listings.) UL Recognized Motor Protector Combination UL Recognized Motor Construction Automatic Reset Automatic Reset Automatic Reset Q Yes Yes S No No U No Yes W # Yes Manual Reset Manual Reset Manual Reset P Yes Yes Z No Yes X No No None None None V No Yes # Motor protector combination is U.L. recognized only if motor is used in direct drive fan duty application, and is under locked rotor condition, or is running under no-load condition. 5. Electrical Type Single Phase: A = Permanent split capacitor B = Capacitor start, capacitor run C = Capacitor start, induction run N = Split phase start, capacitor run S = Split phase Three Phase: T = Three phase H = Inverter Duty/IEEE841 Inverter Duty V = Medium Voltage DC Power: E = Permanent Magnet DC 6. RPM or Speed at 60 Hz (Fractional Only) 34 = 2-Pole, 3600 rpm 17 = 4-Pole, 1800 rpm 11 = 6-Pole, 1200 rpm 8 = 8-Pole, 900 rpm 7. Enclosure D = Dripproof E = Explosion proof, non-ventilated F = Totally enclosed, fan cooled G = Explosion proof, fan cooled O = Open P = Partial S = Semi-enclosed T = Totally enclosed, non-ventilated V = Washdown, non-ventilated W = Washdown, fan cooled 8. Frame Construction Integral Fractional (where applicable) L = Aluminum (Full Frame) B = Rolled Steel - Sourced Y = Aluminum (Full Frame) D = Stainless Steel - Sourced Z = Aluminum (High Mount Down Frame) U = Frameless - Sourced H = Aluminum - Sourced R = Rolled Steel (Full Frame) W = Rolled Steel (Full Frame) X = Rolled Steel (High Mount Down Frame) B = Rolled Steel - Sourced S = Cast Iron (Full Frame) N = Cast Iron (Full Frame) P = Cast Iron (High Mount Down Frame) C = Cast Iron - Sourced D = Stainless Steel 3. Date Code - Month of Manufacturer (Not shown in catalog listings.) 4. NEMA Frame Size - (Integral motors - T and U designate standard shaft, TS and US designate short shaft) 9. Style Letter (A, B, C, etc. indicate redesign) 10. Sequence Number 11. Minor Modification Letter(s) Fractional - 1 letter; Integral - 2 letters 12. Manufacturing Code - A code for the factory where the motor was manufactured. 6
HOW TO READ A MODEL NUMBER: Continued Example ( harmonized motor design): A B C D E F G H 5 KH 3 6 K G 142 X A. Rotating Device B. Type of Winding KH - Split Phase KC - Capacitor Start, Induction Run K - Polyphase KCP - Permanent Split Capacitor KCR - Capacitor Start, Capacitor Run C. Lamination Size 3-48 frame, 4-56 frame D. Length of Frame 48 frame 56 frame 2 5.17 5.73 3 5.42 6.63 4 None None 5 5.80 7.11 6 6.23 None 7 6.63 7.63 8 7.23 8.44 9 Spec. Spec. E. Stack Length A - 5/8 F - 1-1/4 L - 1-7/8 S - 3.0 B - 3/4 G - 1-3/8 M - 2.0 T - 3-1/4 C - 7/8 H - 1-1/2 N - 2-1/4 U - 3-1/2 D - 1.0 J - 1-5/8 P - 2-1/2 W - 4.0 E - 1-1/8 K - 1-3/4 R - 2-3/4 Q - Spec. F. Sequence Number G. Current Revision (blank if original) H. Type of Overload X - UL Auto running & locked rotor Y - UL Manual running & locked rotor S - UL Auto locked rotor T - Non-UL Auto running & locked rotor U - Non-UL Manual running & locked rotor V - Thermostat W - UL Motor Parts ORDERING INFORMATION When ordering, please include the model number, catalog number, description of the motor, quantity, shipping and billing instructions. For pricing of non-stock motors, or if you need assistance in selecting the proper motor, please contact your nearest Marathon Electric sales representative or local Marathon Electric Distributor. All prices and data are subject to change without notice. CANCELLATIONS AND RETURNS Stock Product Stock product can be returned for credit as defined herein. Equipment must be in original packaging, unused in as shipped condition and is limited to products currently maintained in stock inventory. The quantity returned cannot exceed Marathon Electric s normal stock quantity level. All motors returned must have date codes no older than 18 months from date of manufacture. The minimum restocking charge is 15% of the original net purchase price. Modified and build to order motors cannot be returned for credit. Return freight charges are the responsibility of the customer returning the motor for credit. No returns will be accepted without prior authorization. Non-stock Product Cancellation policy: Cancellation charges for non-stock orders received and entered will be determined based on the percentage of completion in the engineering and manufacturing process, accounting for all costs plus a reasonable profit. Marathon Electric s determination of the cancellation charges shall be conclusive. DISCOUNTS AND MULTIPLIERS Except as noted, all prices in this catalog are list prices. 200 and 575 volt 3 phase ratings utilize the same list price as 230/460 volt. NEMA short shaft (TS) utilize the same list price as standard shaft (T). Contact Marathon Electric for special bearing systems, including all requirements for sleeve or roller bearing. For your discount and multiplier, contact your local Marathon Electric sales representative or local Marathon Electric Distributor. MODIFICATION/ACCESSORIES See the Modification/Accessories Sections for more information on modifications to create special motor variations. 7
STOCK, NON-STOCK AND BUILD UP MODELS Standard motors listed in this catalog, as indicated with a star (*) next to the catalog number, are normally in stock. There is no minimum order quantity or minimum billing charge associated with stock motors, unless stated otherwise in your quotation or agreement with Marathon Electric. Production of non-stock catalog models and all build-up models is subject to minimum order quantities or setup charges listed below. 48-140 Frame = 25 piece minimum 180-210 Frames = 5 piece minimum or $200 set-up/model 250-320 Frames = 5 piece minimum or $300 set-up/model Build-up motors must be thoroughly described at time of order, and/or associated with a formal quotation issued by Marathon Electric. Inclusion of product features for similar motors documented in this catalog should not be assumed. SERVICE For service on any Marathon Electric motor, contact your nearest Marathon Electric Authorized Service Station. For a complete listing of all domestic and foreign service stations, refer to Marathon Electric s brochure, SB112, or www.marathonelectric.com. OPERATION AND MAINTENANCE For information on operation and maintenance, please consult the manual or card shipped with your new motor. Additional copies of Installation, Operation & Maintenance Instructions (brochure SB181) are available upon request or through our web site, www.marathonelectric.com. STORAGE PROCEDURES In the event that long-term storage of motors is required, Marathon Electric recommends the following precautions and procedures. This information is also contained in Installation, Operation and Maintenance Instructions (SB181). A. Keep motors clean 1. Store indoors 2. Keep covered to eliminate airborne dust and dirt. 3. Cover openings for ventilation, conduit connections, etc., to prevent entry of rodents, snakes, birds and insects. B. Keep motors dry 1. Store in a dry area indoors 2. Temperature swings should be minimal to prevent condensation. 3. Space heaters are recommended to prevent condensation. 4. Treat unpainted flanges, shafts and fittings with a rust inhibitor. 5. Check insulation resistance before putting motor into service. C. Keep bearings lubricated 1. Once per month, rotate shaft several turns to distribute grease in bearings. 2. If unit has been stored more than one year, add grease before start-up (refer to lubrication procedure). DIMENSION DRAWINGS See Table of Contents for the dimension section in this catalog, www.marathonelectric.com or request certified drawings through your Marathon Electric Sales Engineer, Representative or local Marathon Electric Distributor. 8
WARRANTY Marathon Electric warrants Fractional and Integral motors to be free from defects in materials and workmanship and to conform to Marathon s written specifications. Motor Type Warranty Warranty Period from Period from Date of Date of Installation* Manufacture* Standard Warranty for any product not shown below 12 18 Medium Voltage 12 18 EPAct compliant (aluminum, steel & cast iron frame) 24 30 Blue Chip Severe Duty Explosion Proof 24 30 Blue Max, Black Max, & micromax Inverter Duty 36 42 All XRI (NEMA Premium ) incl. ODP, Blue Chip, Severe Duty, Explosion Proof, etc. 36 42 U-Frame Automotive Duty 60 66 Blue Chip IEEE-841 60 66 * Warranty period shown is in months, and is valid for whichever period expires first. Note: Brake discs are considered a normal maintenance item and are not covered under warranty. For more information, on Marathon Electric s warranty policy, refer to the Terms and Conditions of Sale (MPN411) in the back of this catalog. SUBMITTAL DATA Mechanical and electrical submittal data is available on many stock catalog motors through our website www.marathonelectric.com by following the three steps listed on the next page. All other submittal data is available upon request when accompanied by a purchase order for the specified motor, subject to the following additional charges SUBMITTAL CHARGE SCHEDULE TYPE ELEMENTS NET/EA Nameplate data Motor characteristics BASIC (.PDF Performance data No-Charge format) Outline drawing External connection diagram Add for.dxf or.dwg format $25 All BASIC elements, tailored to BASIC-PLUS specific order. (.pdf format) Cut sheets of installed accessories $75 Add for.dxf or.dwg format $25 Speed/Torque curve $50 Torque capability curve $50 ADDITIONAL Commercial (end of line) test results (not ITEMS available for West Plains motors)* $50 (.pdf formats) Certificate of conformance $100 Thermal damage curve (48-326T frame) $500 + cost of additional motor Thermal damage curve (364T-6805 frame) $1500 +cost of additional motor * Does not imply retesting 9
1. From our homepage, click on the Motors link. From the Motors page, enter in the Marathon Catalog number or Model number. Then click on Model number in results window. (Note: If you already have a Marathon Electric motor and are looking for the performance data, make sure the model number off the nameplate is what you use for your search. Ex. 056H17T5301). 2. The Motor Model Details page will appear. You will be able to print dimensional drawings and connection diagrams in PDF format for the motors. Under the Technical Data section, click on the link, Certification Data Sheet. 3. Your results will look similar to the example shown to the right for Marathon s 1/2 HP, Black Max motor, model # 056H17T5301. It s that easy! 10