ABB 7BD2303 DC Wound Field Fractional Comp - TEFC
Part Number: 7BD2303
Quick Summary
DC Wound Field Fractional Comp motors provide compact drive power for small industrial equipment like pumps and conveyors. Many engineers struggle with torque consistency and compatibility when replacing older fractional HP motors. This model carries CSA/UR listings, UL/CSA horsepower rating, and a NEMA TEFC enclosure, aligning with common safety and regulatory requirements. With a 56 frame and 0.75 HP output, it integrates quickly into existing control schemes, delivering reliability and cost-effective operation for OEMs and end users. The combination of regional stock and standard mounting options minimizes downtime and simplifies procurement, making it a practical choice for automation projects with tight timelines.
Product Information
Extended Description
7BD2303 ABB: DC Wound Field Fractional Comp 0.75 Hp (D2303)
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,1750RPM,DC,56,3428D,TEFC,F1,N
Ambient Temperature
40 °C
Armature Current
3.3 A
Armature Inertia
6.55 ft·lbf
Armature Voltage
230 V
Base Speed
1750 r/min
Bearing
6203, Sealed Bearing
Bearing NDE
6203
Brake Present
No
Brand / Label
Baldor-Reliance
Catalog Number
D2303
Certification Agency
CSA | UR
Country of Origin
United States (US)
Customs Tariff Number
85015220
Dimension Diagram
34LY6121
Drive End Flange Type
Standard
ETIM 7
EC001851 - Electric motor
Enclosure Type
TEFC
Frame Material
Steel
Frame Size
56
Global Commercial Alias
D2303
Gross Volume
2200.078 in³
Gross Weight
34 lb
Horsepower Rating UL/CSA
0.750 Hp
Insulation Class
F
Invoice Description
.75HP,1750RPM,DC,56,3428D,TEFC,F1,N
Made To Order
No
Medium Description
DC Wound Field Fractional Comp, 0.75 HP, Frame Size 56, 0 Phase, TEFC Enclosure, (D2303)
Minimum Order Quantity
1 piece
Motor Base Type
Foot Mounted
Motor Frame Size
56
Mounting Orientation
Horizontal
Number of Phases
0
Order Multiple
1 piece
Output Power
0.75 Hp
Product Name
DC Wound Field Fractional Comp
Product Net Depth / Length
18.625 in
Product Net Height
11.25 in
Product Net Weight
34 lb
Product Net Width
10.5 in
Product Type
Undefined
Quote Only
No
Rated Speed
1750 r/min
Replaced Product ID (OLD)
7B34-6121-3118
Selling Unit of Measure
piece
Service Factor
1.00
Service Factor Percentage
1.00 %
Shaft Diameter
0.63 in
Short Description
0.75 HP, Frame Size 56, 0 PH, TEFC,
Standards
NEMA
Stocked At (Warehouses)
China | Alabama, United States | Alaska, United States
Type of Duty
Continuous
Feature: DC wound field fractional design enables precise torque at startup → Business Impact: smoother startup, reduced mechanical stress, longer motor life → Application: conveyors and small pump systems in packaging lines. Feature: TEFC enclosure and 56 frame → Business Impact: improved ingress protection and compatibility with standard machine mounts → Application: shop floors, dusty or humid environments, and OEM equipment retrofits. Feature: UL/CSA horsepower rating and CSA/UR listings → Business Impact: regulatory compliance and safer commissioning → Application: critical equipment in food processing, water treatment, and general industrial automation. Feature: Stocked at multiple warehouses with 0 day lead time → Business Impact: accelerated project timelines and reduced downtime → Application: maintenance operations and OEM builds requiring rapid deployment. Feature: Foot-mounted base and horizontal mounting orientation → Business Impact: straightforward installation, reduced mounting complications → Application: compact drives on pumps, fans, and small conveyors. Feature: Sealed 6203 bearings and ambient temperature tolerance to 40 °C → Business Impact: dependable longevity and stable performance in typical plant conditions → Application: continuous operation in moderate environments without frequent maintenance. This combination of standards, compatibility, and availability supports measurable savings in maintenance labor and total cost of ownership across automation projects.
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FAQs
The 7BD2303 uses a 56 frame with a foot-mounted, horizontal orientation and a 0.63 inch shaft diameter. It integrates into standard small-drive assemblies and matches common mounting patterns on conveyors and pumps. Verify shaft alignment and existing control wiring, then secure the motor to a rigid base to minimize vibration and maximize bearing life.
This model delivers 0.75 HP with a rated speed of 1750 r/min and an armature voltage of 230 V. With a 56 frame and TEFC enclosure, it provides dependable, consistent torque at nominal load, suitable for light-duty continuous operation in compact drive systems such as small conveyors and pumping applications.
Yes, it features a TEFC enclosure and a 40 °C ambient temperature rating, which help protect internal windings and components in typical workshop or plant environments. The sealed bearings (6203) contribute to reduced maintenance, but for harsh environments consider additional protection or enclosure upgrades.
The motor carries CSA and UR listings and a UL/CSA horsepower rating of 0.75 HP, with a NEMA-compliant TEFC enclosure. These certifications support safe, compliant operation in regulated facilities, while standard frame and mounting maximize compatibility with existing automation systems.
Stocked across multiple warehouses with zero-day lead times, the motor minimizes downtime and procurement risk. Its sealed bearings, standard frame, and foot-mounted design simplify maintenance and installation, delivering predictable performance and favorable total cost of ownership for maintenance teams and OEM projects.