ABB 7BEHM2551T General Purpose HVAC 75 HP - OPSB
Part Number: 7BEHM2551T
Quick Summary
ABB 7BEHM2551T General Purpose HVAC motor is engineered to drive large fans, pumps, and blowers in commercial and industrial HVAC systems. With 75 HP, 1775 rpm, and a 365T frame, it delivers reliable, continuous operation in demanding environments. The design mitigates downtime through a robust OPSB enclosure and a rugged steel frame, while offering flexible electrical options. This model is USA-origin with zero-day lead time and in-stock at multiple warehouses, supporting rapid project timelines. Certified for reliability and safety (CSA | UR) and aligned with NEMA design standards, it also emphasizes energy efficiency (IE2) to reduce operating costs. Ideal for upgrades, retrofits, or new installations seeking durable performance and predictable lifecycle costs.
Product Information
Extended Description
7BEHM2551T ABB: General Purpose HVAC 75 Hp 230 V (EHM2551T)
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
75HP,1775RPM,3PH,60HZ,365T,4462M,OP
Altitude
1000 m
Ambient Temperature
40 °C
Bearing
6313, Ball
Bearing NDE
6312
Brake Present
No
Brand / Label
Baldor-Reliance
Catalog Number
EHM2551T
Certification Agency
CSA | UR
Country of Origin
United States (US)
Customs Tariff Number
85015230
Design
B
Dimension Diagram
44LYE125: Dimension Sheet
Direction of Rotation
Both sides
Drive End Flange Type
Standard
ETIM 7
EC001851 - Electric motor
Efficiency Level
IE2 | Not Regulated / Exempt | Premium Efficiency (NEMA 12-12)
Electrical Data
Enclosure Type
OPSB
Frame Material
Steel
Frame Size
365
Frequency (f)
60 Hz
Global Commercial Alias
EHM2551T
Gross Volume
33833.008 in³
Gross Weight
752 lb
Horsepower Rating UL/CSA
75.000 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
75HP,1775RPM,3PH,60HZ,365T,4462M,OPSB,F1
Lubrication
Regreasable
Made To Order
No
Medium Description
General Purpose HVAC, 75 HP, 1800 RPM, Frame Size 365T, Standard Mounting, 3 Phase, OPSB Enclosure, 230/460 V, 60 Hz (EHM2551T)
Minimum Order Quantity
1 piece
Motor Base Type
Foot Mounted
Motor Frame Size
365T
Mounting Orientation
Horizontal
Mounting Position
F1
NEMA Design Code
B
Number of Phases
3
Number of Poles
4P
Number of Poles (High)
4
Number of Speeds
Single Speed
Order Multiple
1 piece
Output Power
75 Hp
Power Factor
85 %
Product Name
General Purpose HVAC
Product Net Depth / Length
40.625 in
Product Net Height
25.625 in
Product Net Weight
752 lb
Product Net Width
32.5 in
Product Type
Undefined
Quote Only
No
Rated Current (In)
170 A | 85 A
Rated Efficiency
95 %
Rated Speed
1775 r/min
Replaced Product ID (OLD)
7B44E125W013G1
Selling Unit of Measure
piece
Service Factor
1.15
Service Factor Percentage
1.15 %
Shaft Diameter
2.38 in
Shaft Grounding
Mounting Provisions Only
Short Description
75 HP, 1800 RPM, Frame Size 365T, 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
F
Voltage Rating
230 V | 460 V
Feature → Business Impact → Application: 75 HP, 1775 r/min, 365T frame enables high-torque, single-speed operation with compact footprint, reducing space needs while delivering dependable HVAC power for large air handling units. This translates to improved system responsiveness and lower motor heat, driving longer service intervals and reduced maintenance costs in commercial buildings. Application: HVAC fans and pumps in data centers, hospitals, and manufacturing facilities seeking robust, continuous-duty performance. Feature → 230 V / 460 V dual voltage and 60 Hz compatibility provides flexible electrical connections across facilities, minimizing re-wiring during upgrades and enabling faster commissioning. Application: Industrial plants with mixed-voltage infrastructure. Feature → OPSB enclosure combines protection against dust and moisture with ease of maintenance, lowering fault rates and enabling safer service access in tight mechanical rooms. Application: Outdoor/indoor HVAC installations with stringent environmental conditions. Feature → IE2 Premium Efficiency and insulation class F reduce energy consumption and thermal stress, delivering measurable lifetime cost savings and improving reliability in continuous-duty cycles. Application: Energy-conscious building automation and large-scale fans. Feature → Regreasable lubrication and 6313 ball bearings extend bearing life and reduce maintenance interventions, delivering lower total cost of ownership. Application: Harsh or high-cycle environments such as process cooling or ventilation systems. Feature → Direct On Line starting and 3-phase configuration simplify control integration, reducing initial capital outlay on soft-start equipment and enabling straightforward VFD-free startup. Application: New builds or retrofits where simple motor control is preferred. Feature → 3-phase operation with 1.15 service factor provides a comfortable torque reserve for start-up and transient loads, improving reliability in variable-speed drives and high-inertia fans. Application: Large HVAC fans during peak load scenarios. In addition, the motor’s mounting (foot-mounted, horizontal, F1) and shaft diameter (2.38 in) support easy coupling to existing drives, improving installation velocity and alignment accuracy. Application: Retrofit projects with legacy couplings and drive systems. Overall, this ABB motor aligns with long-term maintenance strategies and energy optimization programs while delivering dependable performance in critical HVAC applications.
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FAQs
Yes. The model uses a 365T frame and OPSB enclosure, designed for foot-mounted horizontal installation. It integrates with standard 2.38 in shaft interfaces and 365T mounting patterns, making it suitable for retrofit projects or new builds with similar mechanical footprints. Confirm coupling and belt/pulley alignment during initial setup to ensure optimal performance.
The motor is rated for 230 V and 460 V, 60 Hz, three-phase operation. Rated current is 170 A | 85 A depending on voltage and load. It provides 75 HP at 1775 r/min with a service factor of 1.15, supporting reliable operation in steady-state HVAC applications.
Yes. With a 75 HP rating, 1775 r/min speed, and OPSB enclosure, this motor is purpose-built for HVAC fans and pumps, offering reliable torque, energy efficiency (IE2), and robust protection in building environments. It is especially effective for continuous-duty scenarios common in commercial air handling units.
The motor carries CSA and UR certifications, reflecting compliance with safety and performance standards for electrical equipment. This helps streamline procurement for regulated facilities and ensures alignment with regional electrical codes, reducing risk during audits and installation.
Regreasable bearings reduce maintenance intervals and extend bearing life, lowering lifecycle costs. The 0-day lead time and multi-warehouse stocking support rapid project deployment, minimizing downtime for replacements and upgrades and accelerating ROI for HVAC upgrades or new installations.