ABB 7B409B Buffer Motor 28M 4P - 3-Phase, 40°C, CSA
Part Number: 7B409B
Quick Summary
ABB 7B409B Buffer is a 28M, 4-pole, three-phase buffer motor designed for high-precision grinding and finishing in industrial metalworking. The rugged design helps maintain consistent finish quality even in demanding shop-floor environments. Many users struggle with motor downtime, mismatched voltage, and enclosure exposure that degrade performance over time. This model addresses those challenges with a TENV enclosure, a 40 °C ambient rating, and CSA certification for safety compliance. By matching standard Baldor-Reliance dimensions and a wide voltage range (208/230/460 V), it supports flexible, cost-effective integration across regional plants. For procurement, its availability in multiple stock locations accelerates project timelines and reduces total cost of ownership.
Product Information
Extended Description
7B409B ABB: 28M 4P BUFFER
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
28M 4P BUFFER
Ambient Temperature
40 °C
Brand / Label
Baldor-Reliance®
Catalog Number
409B
Certification Agency
CSA
Country of Origin
United States (US)
Customs Tariff Number
8460908020
Dimension Diagram
G0LY0167: Dimension Sheet
Drive End Flange Type
Standard
ETIM 7
EC001851 - Electric motor
Efficiency Level
Not Regulated / Exempt | Undefined Efficiency
Electrical Data
Enclosure Type
TENV
Frame Material
Steel
Frame Size
Undefined
Frequency (f)
60 Hz | 50 Hz
Global Commercial Alias
409B
Gross Volume
5770.548 in³
Gross Weight
59 lb
Horsepower Rating UL/CSA
1.500 Hp
IDEA Granular Category Code (IGCC)
1328 >> Multi phase motor AC
Insulation Class
B
Invoice Description
28M 4P BUFFER
Made To Order
No
Medium Description
3 Phase, TENV Enclosure, (409B)
Minimum Order Quantity
1 piece
Motor Base Type
Foot Mounted
Mounting Orientation
Horizontal
Number of Phases
3
Number of Poles
4P
Number of Poles (High)
4
Number of Speeds
single_speed
Order Multiple
1 piece
Output Power
1.50 Hp
Product Name
Grinders/Buffers/Lathes/Belt Sander
Product Net Depth / Length
31.813 in
Product Net Height
13.625 in
Product Net Weight
59 lb
Product Net Width
13.313 in
Product Type
Undefined
Quote Only
No
Rated Current (In)
4.6 A | 4.4 A | 2.2 A
Rated Speed
1500 r/min | 1800 r/min
Selling Unit of Measure
piece
Service Factor
1.00
Service Factor Percentage
1.00 %
Shaft Diameter
0.88 in
Short Description
3 PH, TENV,
Standards
Other
Starting of Motor
Direct on line
Stocked At (Warehouses)
China | Alabama, United States | Alaska, United States
Synchronous Speed (vsyn)
1500 r/min | 1800 r/min
Type of Duty
Continuous
UNSPSC
26101115
Voltage Rating
208 V | 230 V | 460 V
Feature → Business Impact → Application: The ABB 7B409B Buffer uses a robust 3-phase, 28M frame with a 4-pole design to deliver reliable torque and steady performance in continuous buffing and grinding tasks, reducing cycle times and extending tool life in production lines. Feature → Business Impact → Application: The TENV enclosure rated for a 40 °C ambient environment minimizes heat ingress and dust-related wear, lowering maintenance costs and increasing uptime for shop-floor buffers and grinders in harsh industrial settings. Feature → Business Impact → Application: A flexible voltage rating of 208/230/460 V enables easy integration across multiple plants without costly transformer infrastructure, supporting scalable rollouts and faster procurement for metalworking operations requiring consistent performance across sites. Feature → Business Impact → Application: Foot-mounted, horizontal orientation simplifies retrofits and minimizes alignment work during installation, delivering faster commissioning and predictable vibration characteristics in lathes and belt sanders. Feature → Business Impact → Application: Direct-on-line starting and a shaft diameter of 0.88 in provide straightforward coupling and alignment with standard Belden/ABB-compatible couplings, reducing installation risk and startup time in grinding and buffing lines. Feature → Business Impact → Application: With 1.50 Hp output and dual synchronous speeds (1500/1800 r/min), operators can optimize finishing cycles for different materials and speeds, improving throughput and consistency in surface finishing applications. Feature → Business Impact → Application: CSA certification and stock availability (multiple warehouses) support regulatory compliance and supply chain resilience, ensuring rapid replenishment for continuous buffing operations in manufacturing environments.
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