ABB 7BBM3538 Short Series Brake - 0.5HP, 3PH CSA/UR
Part Number: 7BBM3538
Quick Summary
ABB 7BBM3538 Short Series Brake is a compact brake solution for reliable motor protection and precise stopping in three-phase drive systems. In tight panel spaces, engineers often struggle to fit braking devices without compromising performance or serviceability. This model carries CSA and UR safety certifications and aligns with standard NEMA design expectations for broad compatibility with Baldor-Reliance motors and common control schemes. Designed for 0.5 HP operation at 208–230/460 V and 1725 rpm, it delivers dependable braking across conveyors, pumps, and fans while keeping installation straightforward. Users value its drop-in fit, low maintenance needs, and consistent performance that reduces total cost of ownership over the motor’s life cycle.
Product Information
Extended Description
7BBM3538 ABB: Short Series Brake 0.5 Hp 208 V (BM3538)
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
.5HP,1725RPM,3PH,60HZ,56,BRAKE,3420
Altitude
1000 m
Ambient Temperature
40 °C
Bearing
6203, Ball
Bearing NDE
6203
Brake Present
Yes
Brand / Label
Baldor-Reliance
Catalog Number
BM3538
Certification Agency
CSA | UR
Country of Origin
United States (US)
Customs Tariff Number
85015100
Design
B
Dimension Diagram
34LYK044: Dimension Sheet
Direction of Rotation
Both sides
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
56
Frequency (f)
60 Hz
Global Commercial Alias
BM3538
Gross Volume
2200.078 inÂł
Gross Weight
31 lb
Horsepower Rating UL/CSA
0.500 Hp
IC Class
TENV
IDEA Granular Category Code (IGCC)
1325 >> General purpose motor AC
IE Class Data (50 Hz)
IE Class NA
IE Class Data (60 Hz)
IE Class NA
IM Class
F1
Insulation Class
B
Invoice Description
.5HP,1725RPM,3PH,60HZ,56,BRAKE,3420M
Lubrication
Regreasable
Made To Order
No
Medium Description
Short Series Brake, 0.5 HP, 1800 RPM, Frame Size 56, Standard Mounting, 3 Phase, TENV Enclosure, 208-230/460 V, 60 Hz (BM3538)
Minimum Order Quantity
1 piece
Motor Base Type
Foot Mounted
Motor Frame Size
56
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
0.5 Hp
Power Factor
69 %
Product Name
Short Series Brake
Product Net Depth / Length
18.625 in
Product Net Height
11.25 in
Product Net Weight
31 lb
Product Net Width
10.5 in
Product Type
Undefined
Quote Only
No
Rated Current (In)
1.9 A | 1.8 A | 0.9 A
Rated Efficiency
75.50 %
Rated Speed
1725 r/min
Selling Unit of Measure
piece
Service Factor
1.00
Service Factor Percentage
1.00 %
Shaft Diameter
0.63 in
Short Description
0.5 HP, 1800 RPM, Frame Size 56, Standard, 3 PH, TENV, 208-230/460 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
26101112
Voltage Code
K
Voltage Rating
208 V | 230 V | 460 V
Feature: Compact footprint and frame size 56 with foot-mounted, horizontal mounting; Business Impact: Space-efficient integration reduces enclosure size and wiring complexity; Application: Ideal for conveyors, packaging lines, and compact motor setups. The ABB Short Series Brake also supports quick installation with standard drive end flange alignment. Feature: 0.5 HP, 60 Hz operation with voltage options 208–230/460 V; Business Impact: Flexible power compatibility minimizes wiring changes and stock variety; Application: Suitable for a wide range of 3-phase motors in automation racks, pumps, and fans. Feature: Integrated brake presence with direct-on-line starting; Business Impact: Enhances safety and stops reliability while simplifying control logic; Application: Critical in material handling and process lines. Feature: TENV enclosure and insulation class B; Business Impact: Reliable performance in typical plant ambient conditions; Application: Industrial environments up to 40 °C and altitudes near 1000 m. Feature: Regreasable lubrication and serviceable bearings; Business Impact: Lower maintenance costs and longer life; Application: Long-term conveyor and pump duty. Feature: CSA | UR certification and NEMA alignment; Business Impact: Regulatory compliance and easy vendor qualification; Application: Compliance-driven projects in North America with standard motor packages.
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FAQs
The 7BBM3538 is designed as a foot-mounted brake that fits a 56 frame motor with a standard drive end flange. It uses a horizontal mounting orientation (F1) and aligns with Baldor-Reliance 56 frame motors. Ensure shaft diameter of 0.63 in and confirm a 3-phase 60 Hz supply for best performance. Proper wrenching and torque specs from the dimension sheet should be followed during mounting.
This brake is specified for 0.5 HP, 1725 r/min, 3-phase operation at 208–230/460 V. Rated currents are 1.9 A, 1.8 A, and 0.9 A corresponding to different operating conditions or motor configurations. It is designed for 60 Hz operation and is suitable for direct-on-line motor braking in typical industrial drives.
Yes. Its 0.5 HP, 3-phase rating, 56 frame, and 60 Hz operation are well matched to small to mid-size conveyors, pumps, and fans. The brake’s direct-on-line starting capability, compact footprint, and regulatory compliance make it a practical choice for equipment requiring reliable braking without major rework to existing control schemes.
The 7BBM3538 carries CSA and UR safety certifications and adheres to NEMA design standards, supporting regulatory compliance in North America. These certifications simplify supplier qualification, reduce risk during audits, and help ensure safe, predictable braking behavior under standard industrial conditions.
The unit features regreasable lubrication and serviceable bearings, which help extend life and reduce maintenance costs. Warranty guidance indicates standard warranty terms apply, with a return policy for warranty-covered issues. The design supports stocking at multiple warehouses, minimizing downtime and ensuring quick replacement when needed.