ABB 7BEHM2543T Motors & Drives - 50HP OPSB Enclosure
Part Number: 7BEHM2543T
Quick Summary
ABB 7BEHM2543T is a general purpose HVAC motor designed for industrial air handling, fans, and pumps. Engineers often grapple with downtime, energy costs, and cross-compatibility across 230/460 V systems. The model delivers premium IE3 efficiency and CSA|UR certification within a rugged OPSB enclosure, suited for demanding HVAC environments. Its 50 HP rating, 326T frame, and 1775 rpm speed provide reliable performance with straightforward installation. For procurement teams, the blend of direct-on-line starting, foot mounting, and standard NEMA design ensures fast commissioning, predictable maintenance, and lower total cost of ownership over the motor’s lifecycle. This combination also supports reliable service in mixed HVAC environments, with stock availability at multiple warehouses.
Product Information
Extended Description
7BEHM2543T ABB: General Purpose HVAC 50 Hp 230 V (EHM2543T)
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,1775RPM,3PH,60HZ,324T,4256M,OP
Altitude
1000 m
Ambient Temperature
40 °C
Bearing
6312, Ball
Bearing NDE
6311
Brake Present
No
Brand / Label
Baldor-Reliance
Catalog Number
EHM2543T
Certification Agency
CSA | UR
Country of Origin
United States (US)
Customs Tariff Number
85015230
Design
B
Dimension Diagram
42LYH068: Dimension Sheet
Direction of Rotation
Both sides
Drive End Flange Type
Standard
ETIM 7
EC001851 - Electric motor
Efficiency Level
IE3 | Not Regulated / Exempt | Premium Efficiency (NEMA 12-12)
Electrical Data
Enclosure Type
OPSB
Frame Material
Steel
Frame Size
326
Frequency (f)
60 Hz
Global Commercial Alias
EHM2543T
Gross Volume
14448.906 in³
Gross Weight
469 lb
Horsepower Rating UL/CSA
50.000 Hp
IC Class
OPSB
IDEA Granular Category Code (IGCC)
1318 >> Heating and cooling system motor AC
IE Class Data (50 Hz)
IE Class NA
IE Class Data (60 Hz)
IE Class NA
IM Class
F1
Insulation Class
F
Invoice Description
50HP,1775RPM,3PH,60HZ,324T,4256M,OPSB,F1
Lubrication
Regreasable
Made To Order
No
Medium Description
General Purpose HVAC, 50 HP, 1800 RPM, Frame Size 326T, Standard Mounting, 3 Phase, OPSB Enclosure, 230/460 V, 60 Hz (EHM2543T)
Minimum Order Quantity
1 piece
Motor Base Type
Foot Mounted
Motor Frame Size
326T
Mounting Orientation
Horizontal
Mounting Position
F1
NEMA Design Code
A
Number of Phases
3
Number of Poles
4P
Number of Poles (High)
4
Number of Speeds
Single Speed
Order Multiple
1 piece
Output Power
50 Hp
Power Factor
87 %
Product Name
General Purpose HVAC
Product Net Depth / Length
31 in
Product Net Height
19.625 in
Product Net Weight
469 lb
Product Net Width
23.75 in
Product Type
Undefined
Quote Only
No
Rated Current (In)
114 A | 57 A
Rated Efficiency
94.50 %
Rated Speed
1775 r/min
Replaced Product ID (OLD)
7B42H068W387G1
Selling Unit of Measure
piece
Service Factor
1.15
Service Factor Percentage
1.15 %
Shaft Diameter
2.13 in
Shaft Grounding
Mounting Provisions Only
Short Description
50 HP, 1800 RPM, Frame Size 326T, Standard, 3 PH, OPSB, 230/460 V
Standards
NEMA
Starting of Motor
Direct On Line
Stocked At (Warehouses)
China | Alabama, United States | Alaska, United States
Synchronous Speed (vsyn)
1800 r/min
Temperature Class Default
--
Two Speed Motor
No
Type of Duty
Continuous
UNSPSC
26101105
Voltage Code
G
Voltage Rating
230 V | 460 V
Feature → Business Impact → Application: OPSB enclosure protects the motor in demanding HVAC environments, reducing dust ingress and moisture exposure, which translates to lower maintenance cycles and longer service intervals for air handling units and duct fans. Application: guarantees steadier operation in commercial buildings and industrial facilities. Feature → Business Impact → Application: 50 HP rating at 1775 rpm with a 326T frame delivers robust torque and compatibility with standard HVAC equipment. Application: ideal for fans, pumps, and air handlers requiring reliable, continuous operation. Feature → Business Impact → Application: Direct On Line starting minimizes control hardware and minimizes startup time, cutting installation costs and accelerating commissioning in new builds or retrofits. Application: simplifies integration with existing variable speed drive-free systems. Feature → Business Impact → Application: IE3 premium efficiency reduces energy consumption and operating costs, delivering tangible ROI over the motor’s lifecycle. Application: supports sustainability goals in large-scale HVAC installations. Feature → Business Impact → Application: NEMA Design Code A, service factor 1.15, and 4-pole, 3-phase design provide overload tolerance and durability, improving uptime in continuous-duty applications. Application: aligns with continuous operation in processing facilities and climate-controlled environments. Feature → Business Impact → Application: Regreasable bearings and F-class insulation extend bearing life and thermal performance, reducing maintenance intervals and risk of unexpected downtime. Application: suitable for long-term operation in heat-exposed HVAC spaces. Feature → Business Impact → Application: Foot mounting and horizontal orientation with OPSB enclosure simplify installation practices and equipment mounting on standard frames. Application: enables quick retrofits and standardization across plant floor equipment. Feature → Business Impact → Application: CSA|UR certifications and NEMA compatibility streamline procurement and regulatory compliance, lowering the risk of non-conformance in project pipelines. Application: supports audits and compliant equipment selection during spec review.
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