Marathon Electric all products General Information

GENERAL INFORMATION

SB300 – Prices and Specifications are subject to change without notice.

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General Information

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Motor Specifications (Example) Agency Symbols

Underwriters Laboratories, Inc.
UL Recognized Component Mark
UL file #

CSA Mark - Certified by the Canadian
Standards Association
CSA file #

CE (Conformité Européene) Marking
This mark signifies the motor complies with
the European Low Voltage Directive.

CSA Verification Mark - Complies with CSA’s
Energy Efficiency Verification Service and
their Standard C390 - C390 is the
Canadian efficiency equivalent of EPAct.

CC# - Compliance Certification Number as
per assigned by the Department of Energy.
Motors meeting EPAct efficiencies or higher
will have this number.

Marathon Electric Nameplate Information - HOW TO READ A MARATHON ELECTRIC NAMEPLATE

The nameplate is the key to selecting the proper replacement motor.

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

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

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 800 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

General Information

GENERAL INFORMATION

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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

123 456 7101112

This is a breakdown of the model in the catalog:

48 C 17 D 2000

456 710

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

123 457 8 9101112

This is a breakdown of the model in the catalog:

215T B D R A 7076

457 8910

1. Date Code - Year of Manufacture
(Not shown in catalog listings.)

2. Thermal Protection (Not shown in catalog listings.)

UL Recognized UL Recognized
Motor Protector Motor

Combination Construction

Automatic Reset Automatic Reset Automatic Reset

QYesYes
SNoNo
UNoYes
W#Yes

Manual Reset Manual Reset Manual Reset

PYesYes

ZNoYes

XNoNo

None None None

VNoYes

# 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.

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)

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

L = Aluminum (Full Frame) B = Rolled Steel - Sourced
Y = Aluminum (Full Frame) D = Stainless Steel
Z = Aluminum (High Mount Down Frame) U = Frameless
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

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.

(where applicable)

- Sourced

- Sourced

SB300 – Prices and Specifications are subject to change without notice.