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Technical Data Sheet

5N278 — Technical Data Sheet

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W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION · MOTOR
WHAT YOU NEED TO KNOW
NEMA frame determines mounting bolt pattern TEFC for outdoor, ODP for dry indoor only
C-face vs foot-mount — different mounting
PRODUCT OVERVIEW

The MOTOR,ALTERNATING CURRENT is a W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION industrial component.

Key specifications include PHASE: THREE INPUT, POWER RATING: 75.000 HORSEPOWER OUTPUT, SPECIAL FEATURES: MEETS OR EXCEEDS NEMA MG1 LATEST REVISION FOR ENERGY EFFICIENT GENERAL PURPOSE DUTY, ENCLOSURE FEATURE: TOTALLY ENCLOSED, FREQUENCY IN HERTZ: 60.0 INPUT, FRAME SIZE DESIGNATION: 405T. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-01-434-3385, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
5N278
NSN: 6105-01-434-3385
FSC: 6105
CAGE: 7D665 — GRAINGER DIV OF W W GRAINGER INC (USA)
SPECIFICATIONS
PHASETHREE INPUT
POWER RATING75.000 HORSEPOWER OUTPUT
SPECIAL FEATURESMEETS OR EXCEEDS NEMA MG1 LATEST REVISION FOR ENERGY EFFICIENT GENERAL PURPOSE DUTY
ENCLOSURE FEATURETOTALLY ENCLOSED
FREQUENCY IN HERTZ60.0 INPUT
FRAME SIZE DESIGNATION405T
INCLOSURE SPECIFICATIONNEMA
ROTOR SPEED RATING IN RPM1200.0 SINGLE NO LOAD
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS460.0 LINE TO LINE SINGLE INPUT
NSN6105-01-434-3385
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: 5N278 · W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION ⚠ VERIFY BEFORE ORDERING NEMA frame size determines mounting bolt pattern — not interchangeable. 56C ≠ 143T bolt pattern. C-face vs foot-mount vs flange — different mounting, same HP doesn't mean drop-in ✓ BROKER TIP TEFC = outdoor/washdown OK. ODP = dry indoor only. TENV = no external fan, explosion-proof areas. 1750 RPM = 4-pole (most common), 3450 RPM = 2-pole, 1150 RPM = 6-pole PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FREQUENCY IN HERTZ: 60.0 INPUT
•
INCLOSURE SPECIFICATION: NEMA
•
ROTOR SPEED RATING IN RPM: 1200.0 SINGLE NO LOAD
•
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS: 460.0 LINE TO LINE SINGLE INPUT
•
FRAME SIZE DESIGNATION: 405T
•
POWER RATING: 75.000 HORSEPOWER OUTPUT
•
ENCLOSURE FEATURE: TOTALLY ENCLOSED
TECHNICAL CHARACTERISTICS (FLIS)
FREQUENCY IN HERTZ60.0 INPUT
INCLOSURE SPECIFICATIONNEMA
ROTOR SPEED RATING IN RPM1200.0 SINGLE NO LOAD
CONNECTION TYPE AND VOLTAGE RATING IN VOLTS460.0 LINE TO LINE SINGLE INPUT
FRAME SIZE DESIGNATION405T
POWER RATING75.000 HORSEPOWER OUTPUT
ENCLOSURE FEATURETOTALLY ENCLOSED
SPECIAL FEATURESMEETS OR EXCEEDS NEMA MG1 LATEST REVISION FOR ENERGY EFFICIENT GENERAL PURPOSE DUTY
PHASETHREE INPUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
E8213Interchangeable
interchangeable cross-reference
interchangeable
P25G3332Interchangeable
interchangeable cross-reference
interchangeable
HJI1326Interchangeable
interchangeable cross-reference
interchangeable
00781568102725Interchangeable
interchangeable cross-reference
interchangeable
E351Interchangeable
interchangeable cross-reference
interchangeable
5N298Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5N278?
5N278 is a MOTOR,ALTERNATING CURRENT manufactured by W.W. GRAINGER, INC. DIV GOVERNMENT SALES DIVISION.
What parts can replace 5N278?
There are 23 known substitutes for 5N278: E8213, P25G3332, HJI1326 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5N278?
5N278 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6105-01-434-3385. This indicates validated use in U.S. government and defense supply chains.
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