ABB 7BKBM3458 Short Series Brake - CSA/UR Certified
Part Number: 7BKBM3458
Quick Summary
ABB 7BKBM3458 Short Series Brake for 0.33 HP motors is designed to deliver precise braking within compact, three-phase drives used in packaging lines, conveyors, and small machine tools. Engineers face challenges with space constraints and inconsistent braking performance in retrofit projects; this unit addresses those pain points with a compact form factor and reliable actuation. It carries CSA and UR safety listings and RoHS compliance, signaling strong regulatory alignment for industrial environments. With a 56C frame, C-face mounting, and 60 Hz operation, it integrates smoothly into standard motor builds, supporting fast procurement and predictable maintenance—helping teams reduce downtime and total cost of ownership in automated systems.
Product Information
Extended Description
7BKBM3458 ABB: Short Series Brake 0.33 Hp 208 V (KBM3458)
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
.33HP,1725RPM,3PH,60HZ,56C,BRAKE,34
Altitude
1000 m
Ambient Temperature
40 °C
Bearing
6203, Ball
Bearing NDE
6203
Brake Present
Yes
Brand / Label
Baldor-Reliance
Catalog Number
KBM3458
Certification Agency
CSA | UR
Country of Origin
United States (US)
Customs Tariff Number
85013100
Design
B
Dimension Diagram
34LYK045: Dimension Sheet
Direction of Rotation
Both sides
Drive End Flange Type
C-Face
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
KBM3458
Gross Volume
2200.078 inÂł
Gross Weight
23 lb
Horsepower Rating UL/CSA
0.330 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
.33HP,1725RPM,3PH,60HZ,56C,BRAKE,3416M
Lubrication
Regreasable
Made To Order
No
Medium Description
Short Series Brake, 0.33 HP, 1800 RPM, Frame Size 56C, C-Face Mounting, 3 Phase, TENV Enclosure, 208-230/460 V, 60 Hz (KBM3458)
Minimum Order Quantity
1 piece
Motor Base Type
Footless
Motor Frame Size
56C
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
0.33 Hp
Power Factor
64 %
Product Name
Short Series Brake
Product Net Depth / Length
18.625 in
Product Net Height
11.25 in
Product Net Weight
23 lb
Product Net Width
10.5 in
Product Type
Undefined
Quote Only
No
Rated Current (In)
1.5 A | 1.4 A | 0.7 A
Rated Efficiency
70 %
Rated Speed
1725 r/min
RoHS Information
RoHS Compliant
Selling Unit of Measure
piece
Service Factor
1.00
Service Factor Percentage
1.00 %
Shaft Diameter
0.63 in
Short Description
0.33 HP, 1800 RPM, Frame Size 56C, C-Face, 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 → 0.33 HP brake for a 56C frame motor delivers reliable holding and controlled stopping. Business Impact → Minimizes energy waste, reduces restart shocks, and extends drive life. Application → Ideal for small conveyors and machine tools where space is limited and repeatable stop positions are critical. Feature → 60 Hz operation with 208/230/460 V three-phase compatibility. Business Impact → Simplifies global installations and wiring, lowering changeover costs. Application → Useful in multi-site OEM deployments and international manufacturing lines. Feature → 56C frame with C-face drive-end mounting and horizontal orientation. Business Impact → Eases retrofit and alignment, reduces installation time and risk. Application → Suitable for retrofit projects and new builds in tight control panels. Feature → TENV enclosure and insulation Class B with regreasable lubrication. Business Impact → Improves reliability in continuous-duty environments and lowers maintenance frequency. Application → Appropriate for high-cycle applications in automation and process lines. Feature → Stocked at multiple warehouses with 0 day lead time and clear warranty terms. Business Impact → Shortens procurement cycles and minimizes downtime. Application → Critical for lean manufacturing and just-in-time maintenance programs. Feature → Rated current 1.5/1.4/0.7 A, synchronous speed 1800 r/min and rated speed 1725 r/min. Business Impact → Predictable dynamic performance and consistent braking response. Application → Conveyor drives and machine tools requiring precise speed control and braking.
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