Overview
The Baldor JMM4114T 50HP motor is a three-phase, TEFC (Totally Enclosed Fan-Cooled) industrial motor designed for demanding applications. Rated at 50 horsepower with a 3525RPM shaft speed, this 326-frame motor delivers consistent torque and reliable performance in factories, processing plants, and equipment OEM builds. The cast-iron frame construction and premium insulation ensure long service life in continuous-duty applications.
Key Features
- 50 horsepower rating with 3525RPM synchronous speed
- TEFC (Totally Enclosed Fan-Cooled) enclosure for harsh industrial environments
- 326-frame, foot-mounted with standard flange compatibility
- Class F insulation for thermal durability
- Three-phase, 60Hz design (208-230/460V available)
- NEMA Design B general-purpose motor construction
- 1.15 service factor for overload capability
Technical Specifications
- Horsepower: 50 HP
- Speed: 3525 RPM nominal
- Phase: Three-phase AC
- Frequency: 60 Hz
- Voltage: 208-230/460V (check nameplate for exact rating)
- Frame Size: 326 (foot mount)
- Enclosure Type: TEFC (Totally Enclosed Fan-Cooled)
- Insulation Class: F
- Service Factor: 1.15
- Design Code: NEMA Design B
- Duty Rating: Continuous (CONT)
- Approximate Weight: 590–595 lbs
- Motor Type: Cast-iron frame, general-purpose
- Mounting Arrangement: Foot mounted, C-face flange optional
Typical Applications
The Baldor JMM4114T is well-suited for centrifugal and positive-displacement pumps, industrial fans and blowers, air compressors, HVAC chillers, refrigeration systems, machine tool drives, conveyor systems, and OEM equipment requiring reliable, long-life motor performance. Its TEFC enclosure protects against dust, moisture, and airborne contaminants common in food processing, chemical, petrochemical, and water treatment facilities.
Compatibility & Replacements
Compatible With
- Standard 326-frame foot-mount coupling systems
- C-face flange pump adapters (mechanical seal options)
- Baldor soft-starter and VFD motor control devices
- NEMA Design B three-phase controllers and contactors
- Industrial 208–230/460V three-phase power distribution
Replaces / Drop-In Replacement For
The Baldor JMM4114T directly replaces other Baldor 50HP, 3525RPM, 326-frame TEFC motors in the same voltage class, including EM4114T and EFM4114T variants. Verify frame size, flange type, and voltage with your system integrator before ordering to ensure proper fit and electrical compatibility.
Works With
- Three-phase AC magnetic contactors and soft-starters
- VFD inverter drives (motor inverter-rated; confirm with drive manufacturer)
- Baldor DriveMaster and TranSyT electronic motor controls
- NEMA power factor correction capacitor banks
- Industrial machinery control networks operating at 60Hz, 50–60V nominal
