Industrial replacement referenceSource-backed records · No compatibility guesswork

WEG three-phase general-purpose · A-41

50018ET3GRB449T-W22

Exact TEFC foot-mount motor record from WEG's 2026 US100 standard product catalog.

Power500 hp / 370 kWSpeed1800 rpmFrameL447/9TVoltage460 VOfficial source ↗

Published motor data

Electrical and mechanical record

US100 - 2026
Service factor
1
Full-load current
561 A
Full-load efficiency
96.2%
C dimension
57.181 in
Approx. shipping weight
5424 lb
Multiplier symbol
N1
Catalog notes
14,19,43
Published row text
1800 L447/9T 50018ET3GRB449T-W22 $50,594 N1 5424 1.00 561 96.2 57.181 460 14,19,43

Verification boundary

What still needs to match

Do not infer interchange
Mechanical interfaceConfirm exact NEMA frame suffix, shaft dimensions, foot pattern, orientation, envelope, and driven-equipment clearance.
Electrical supplyVerify voltage, frequency, phase, full-load current, starting method, protection, and available fault/current characteristics.
Duty and controlsCheck service factor, efficiency class, starts per hour, thermal duty, VFD requirements, and speed range.
EnvironmentConfirm TEFC suitability, ambient temperature, altitude, washdown/corrosion/hazardous-location needs, and current WEG documentation.

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