ABB EM4458T General Purpose Motor - TEFC 50HP
Part Number: 7BEM4458T
Quick Summary
ABB EM4458T General Purpose Motor is a robust three-phase motor designed for continuous duty in demanding industrial environments. This 50 HP, 60 Hz unit supports dual voltage operation (230/460 V) with a 404T frame, making it a versatile replacement or upgrade for existing systems. If you’re modernizing aging drives or standardizing across multiple lines, the EM4458T helps reduce unplanned downtime and energy waste. Built to meet North American compliance requirements, it leverages NEMA standards and CSA EEV/CCSA US certifications, while the rugged TEFC enclosure minimizes maintenance in dusty factory floors. Stocked across regional warehouses to accelerate procurement and accelerate project timelines, it translates into lower total cost of ownership and faster ROI.
Product Information
Extended Description
7BEM4458T ABB: General Purpose Motor 50 Hp 230 V (EM4458T)
Configuration Only
No
Country of Origin
United States (US)
Lead Time
0 day
Made To Order
No
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
EGAUT001EXPU
Warranty Return
Product under warranty must be returned
Configuration Only
No
Country of Origin
United States (US)
Lead Time
0 day
Made To Order
No
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
GBINS001EXPU
Warranty Return
Product under warranty must be returned
Country of Origin
United States (US)
Lead Time
0 day
Made To Order
No
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
SGIND004EXPU
Warranty Return
Product under warranty must be returned
Country of Origin
United States (US)
Lead Time
0 day
Made To Order
No
Product Sales Status
Active
Quote Only
No
Stocked At Warehouses
USABB014EXPU
Warranty Return
Product under warranty must be returned
ABB Type Designation
50HP,890RPM,3PH,60HZ,404T,TEFC,F1
Ambient Temperature
40 °C
Bearing
0.000
Bearing NDE
0.000
Brake Present
No
Brand / Label
Baldor-Reliance
Catalog Number
EM4458T
Certification Agency
CCSA US | CSA EEV
Country of Origin
United States (US)
Customs Tariff Number
85015230
Dimension Diagram
617429-001: Dimension Sheet
Drive End Flange Type
Standard
Duty Time
60 Min
ETIM 7
EC001851 - Electric motor
Efficiency Level
Premium Efficiency (NEMA 12-12)
Electrical Data
Enclosure Type
TEFC
Frame Material
Iron
Frame Size
404
Frequency (f)
60 Hz
Global Commercial Alias
EM4458T
Gross Volume
105840 in³
Gross Weight
551.568 kg
IDEA Granular Category Code (IGCC)
1325 >> General purpose motor AC
Insulation Class
F
Invoice Description
50HP,890RPM,3PH,60HZ,404T,TEFC,F1
Made To Order
No
Medium Description
General Purpose 3PH Enclosed, 50 HP, 900 RPM, Frame Size 404T, Standard Mounting, 3 Phase, TEFC Enclosure, 230/460 V, 60 Hz (EM4458T
Minimum Order Quantity
1 piece
Motor Base Type
Foot Mounted
Motor Frame Size
404T
Motor Frame Suffix
T
Mounting Orientation
Horizontal
Mounting Position
F1
NEMA Design Code
B
Number of Phases
3
Number of Poles
8P
Number of Poles (High)
8
Number of Speeds
Single Speed
Order Multiple
1 piece
Output Power
50 Hp
Power Factor
80 %
Product Name
General Purpose 3PH Enclosed
Product Net Depth / Length
48 in
Product Net Height
52.5 in
Product Net Weight
551.568 kg
Product Net Width
42 in
Product Type
Undefined
Quote Only
No
Rated Current (In)
126 A | 63 A
Rated Efficiency
93 %
Rated Speed
890 r/min
Selling Unit of Measure
piece
Service Factor
1.15
Shaft Diameter
2.88 in
Short Description
50 HP, 900 RPM, Frame Size 404T, Standard, 3 PH, TEFC, 230/460 V
Standards
NEMA
Starting of Motor
Direct On Line
Stocked At (Warehouses)
China | Alabama, United States | Alaska, United States
Synchronous Speed (vsyn)
900 r/min
Type of Duty
Continuous
UNSPSC
26101112
Voltage Rating
230 V | 460 V
The EM4458T features a high-torque 50 HP output paired with a reliable 890 r/min rated speed in a 404T frame, delivering efficient performance for pumps, conveyors, and processing equipment, which translates to improved process stability and reduced wear on driven equipment. The TEFC enclosure protects internal components from dust and moisture, enabling longer service intervals and lower maintenance costs in challenging environments. With Premium Efficiency and a 60 Hz design, the motor reduces energy consumption and supports compliance with energy-reduction initiatives, lowering operating expenses over the life of the installation. Dual voltage capability (230 V / 460 V) provides installation flexibility across existing plants, simplifying electrical revisions and minimizing wiring changes during upgrades. Foot-mounted, horizontal orientation (F1) simplifies installation, service access, and alignment with common belt and pump configurations, reducing commissioning time and startup risk. Regulatory confidence comes from NEMA standards along with CSA EEV and CCSA US certifications, helping buyers meet procurement and safety requirements in North American facilities. Stock availability at multiple warehouses ensures faster replenishment and reduced downtime during maintenance or expansion projects.
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