ABB FDAOL3521A General Purpose HVAC Motor - CSA UR
Part Number: 7BFDAOL3521A
Quick Summary
ABB FDAOL3521A General Purpose HVAC motor is a compact 1 HP, 115 V, 60 Hz single‑phase unit designed for reliable service in air handling and ventilation systems. This motor delivers steady performance in commercial and light industrial HVAC installations, helping protect uptime and energy efficiency. For engineers facing mismatched enclosures, inconsistent mounting, or difficult procurement, this FDAOL3521A offers a practical, ready‑to‑install solution. It carries CSA and UR certifications and aligns with NEMA standards, ensuring compliance in regulated environments. Stocked across multiple warehouses for rapid fulfilment, it also supports straightforward integration with standard drives and TEAO cooling. The result is easier procurement, faster installation, and predictable maintenance costs, with consistent torque and speed.
Product Information
Extended Description
7BFDAOL3521A ABB: General Purpose HVAC 1 Hp 115 V (FDAOL3521A)
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
1 AIR OVERHP,1750RPM,1PH,60HZ,56H,3
Ambient Temperature
40 °C
Bearing
6205, Ball
Bearing NDE
6203
Brake Present
No
Brand / Label
Baldor-Reliance
Catalog Number
FDAOL3521A
Certification Agency
CSA | UR
Country of Origin
United States (US)
Customs Tariff Number
85013100
Dimension Diagram
35LYE3271: Dimension Sheet
Drive End Flange Type
Standard
ETIM 7
EC001851 - Electric motor
Efficiency Level
Not Regulated / Exempt
Electrical Data
Enclosure Type
TEAO
Frame Material
Steel
Frame Size
56
Frequency (f)
60 Hz
Global Commercial Alias
FDAOL3521A
Gross Volume
3496.049 in³
Gross Weight
39 lb
IDEA Granular Category Code (IGCC)
1318 >> Heating and cooling system motor AC
Insulation Class
F
Invoice Description
1 AIR OVERHP,1750RPM,1PH,60HZ,56H,3528LC
Made To Order
No
Medium Description
General Purpose HVAC, 1 HP, 1800 RPM, Frame Size 56H, Standard Mounting, 1 Phase, TEAO Enclosure, 115/208-230 V, 60 Hz (FDAOL3521A)
Minimum Order Quantity
1 piece
Motor Base Type
Foot Mounted
Motor Frame Size
56H
Mounting Orientation
Horizontal
Mounting Position
F1
Number of Phases
1
Number of Poles
4P
Number of Poles (High)
4
Number of Speeds
Single Speed
Order Multiple
1 piece
Output Power
1 Hp
Power Factor
88 %
Product Name
General Purpose HVAC
Product Net Depth / Length
19.375 in
Product Net Height
13.123 in
Product Net Weight
39 lb
Product Net Width
13.75 in
Product Type
Undefined
Quote Only
No
Rated Current (In)
9.4 A | 5 A | 4.7 A
Rated Efficiency
78.50 %
Rated Speed
1725 r/min
Selling Unit of Measure
piece
Service Factor
1.20
Shaft Diameter
0.63 in
Short Description
1 HP, 1800 RPM, Frame Size 56H, Standard, 1 PH, TEAO, 115/208-230 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
Type of Duty
Continuous
UNSPSC
26101105
Voltage Rating
115 V | 208 V | 230 V
Feature: 1 HP, 115 V, 60 Hz single‑phase operation. Business Impact: Delivers reliable torque with minimal power conditioning and wiring, reducing installation time and lifecycle energy consumption. Application: Ideal for air handlers and ventilation fans in commercial HVAC equipment. Feature: 56H foot‑mounted frame with horizontal mounting. Business Impact: Simplifies retrofit and OEM integration by matching common mounting footprints, lowering installation complexity and misalignment risk. Application: Replacement motors in legacy HVAC units and new builds alike. Feature: TEAO enclosure (Totally Enclosed Air Over). Business Impact: Easy heat management without additional enclosure accessories, improving long‑term reliability in dusty or humid environments. Application: Blowers and inline fans used in ducted HVAC systems. Feature: Direct On Line starting with a 4‑pole design at 1725 r/min nominal. Business Impact: Reduces control gear needs and startup power surges, improving overall system reliability and reducing component wear. Application: Continuous‑duty ventilation applications and process cooling fans. Feature: 1‑phase, 60 Hz, 115/208‑230 V rating; rated current ~9.4 A; efficiency ~78.5%. Business Impact: Predictable electrical footprint supports precise energy budgeting and easier procurement across global sites. Application: OEM equipment and service spares in commercial and light industrial HVAC. Feature: 0.63 in shaft diameter, 56H frame, 13.75 in width, 19.375 in length, 39 lb weight. Business Impact: Clear mechanical envelope simplifies pulley/belt alignment and reduces handling during installation. Application: Replacement in compact, space‑constrained HVAC assemblies. Feature: Certifications and standards: CSA | UR, NEMA. Business Impact: Regulatory compliance reduces QA risk and accelerates approvals for regulated projects. Application: HVAC units deployed in North America with stringent safety requirements. Industry context note: In modern facilities, having a readily stocked, compliant, and dimensionally compatible motor like FDAOL3521A translates to shorter downtime, faster line changeovers, and a stronger supply chain for HVAC OEMs and maintenance teams. Keywords woven into practical use cases include 1 HP HVAC motor, TEAO enclosure, 56H frame motor, single‑phase 115 V, and NEMA‑compliant solutions.
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FAQs
The FDAOL3521A is a foot‑mounted motor built on a 56H frame with horizontal mounting. This makes it compatible with a wide range of standard HVAC equipment and simplifies retrofit projects by aligning with common OEM footprints. The shaft diameter is 0.63 inches to align with typical pulley and coupling hardware.
This is a single‑phase motor rated for 115 V, with a secondary rating of 208–230 V in a 60 Hz system. It is designed for continuous operation with a nominal current around 9.4 A and a TEAO enclosure, enabling straightforward wiring and reliable performance in common HVAC applications.
Yes. With 1 HP output, 1725 r/min nominal speed, and a TEAO enclosure, this motor is well suited for air handling units, vent fans, and related HVAC equipment. Its 4‑pole design and direct‑on‑line starting provide reliable startup and steady operation in commercial and light industrial environments.
The FDAOL3521A carries CSA and UR certifications and aligns with NEMA standards, providing compliance assurance for regulated applications. This helps streamline approvals for North American installations and reduces project risk when sourcing from ABB.
ABB’s FDAOL3521A is stocked across multiple warehouses for rapid delivery, with warranty terms that require warranty returns if applicable. Routine maintenance is straightforward due to TEAO design and robust 6205 ball bearings, contributing to lower downtime and predictable total cost of ownership.