ABB 7BCEM2334T-G Shaft Ground Motor - TEFC
Part Number: 7BCEM2334T-G
Quick Summary
Shaft Ground motor from ABB delivers a reliable 20 HP drive for industrial fans and conveyors. Engineers often contend with grounding reliability, motor vibration, and unplanned downtime; this design addresses those challenges by providing a robust grounding path and durable construction. This model aligns with a NEMA design A profile and carries CSA/UR certifications to support regulatory compliance in North America, while delivering Premium Efficiency performance for long-term energy savings. With 230/460 V 3-phase operation, TEFC enclosure, and a 60 Hz rating, it fits common plant electricalInfrastructure and drive systems, reducing wiring complexity and installation costs. By combining solid mechanical design with market-standard mounting and frame features, it helps manufacturers improve uptime and total cost of ownership.
Product Information
Extended Description
7BCEM2334T-G ABB: Shaft Ground 20 Hp 230 V (CEM2334T-G)
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
20HP,1770RPM,3PH,60HZ,256TC,TEFC,F1
Ambient Temperature
40 °C
Bearing
6309 | Ball
Bearing NDE
6208 | Ball
Brake Present
No
Brand / Label
Baldor-Reliance
Catalog Number
CEM2334T-G
Certification Agency
CSA | CSA EEV | UR
Country of Origin
United States (US)
Customs Tariff Number
85015220
Dimension Diagram
09LYL284: Dimension Sheet
Drive End Flange Type
C-Face
Duty Time
60 Min
ETIM 7
EC001851 - Electric motor
Efficiency Level
Premium Efficiency (NEMA 12-12)
Electrical Data
Enclosure Type
TEFC
Frame Material
Iron
Frame Size
256
Frequency (f)
60 Hz
Global Commercial Alias
CEM2334T-G
Gross Volume
9651.933 in³
Gross Weight
146.51 kg
IDEA Granular Category Code (IGCC)
1318 >> Heating and cooling system motor AC
Insulation Class
H
Invoice Description
20HP,1770RPM,3PH,60HZ,256TC,TEFC,F1
Made To Order
No
Medium Description
Shaft Ground, 20 HP, 1800 RPM, Frame Size 256Tc, C-Face Mounting, 3 Phase, TEFC Enclosure, 230/460 V, 60 Hz (CEM2334T-G)
Minimum Order Quantity
1 piece
Motor Base Type
Foot Mounted
Motor Frame Size
256TC
Motor Frame Suffix
TC
Mounting Orientation
Horizontal
Mounting Position
F1
NEMA Design Code
A
Number of Phases
3
Number of Poles
4P
Number of Poles (High)
4
Number of Speeds
Single Speed
Order Multiple
1 piece
Output Power
20 Hp
Power Factor
83 %
Product Name
Shaft Ground
Product Net Depth / Length
27 in
Product Net Height
17.438 in
Product Net Weight
146.51 kg
Product Net Width
20.5 in
Product Type
Undefined
Quote Only
No
Rated Current (In)
48 A | 24 A
Rated Efficiency
93 %
Rated Speed
1770 r/min
Selling Unit of Measure
piece
Service Factor
1.15
Shaft Diameter
1.63 in
Shaft Grounding
Shaft Grounding
Short Description
20 HP, 1800 RPM, Frame Size 256Tc, C-Face, 3 PH, TEFC, 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
Type of Duty
Continuous
UNSPSC
26101105
Voltage Rating
230 V | 460 V
Feature: Shaft Grounding integrated into a rugged 256TC frame motor. Business Impact: Improves safety and reliability by providing a defined shaft grounding path, reducing fault-related downtime and maintenance. Application: Conveyor belts and pump trains where static or EMI considerations are critical. Feature: TEFC enclosure for harsh environments. Business Impact: Enables outdoor or dusty plant locations with lower enclosure maintenance and longer service intervals. Application: Material handling, fans, and general industrial drives operating in tough environments. Feature: 3-phase, 60 Hz operation at 230/460 V. Business Impact: Simplifies electrical installation and compatibility with standard VFDs and MCCs, lowering wiring complexity and startup time. Application: Industrial plants with mixed voltage supply, such as packaging lines and process equipment. Feature: 256TC frame size with F1 mounting and foot base. Business Impact: Streamlines retrofits and new installs by leveraging common stock and straightforward alignment with existing couplings and bases. Application: Replacement motors in legacy systems and new line builds with conventional mounting footprints. Feature: Premium Efficiency designation and NEMA design A. Business Impact: Reduces energy consumption and improves thermal performance, helping to meet corporate sustainability targets. Application: Continuous duty applications like conveyors and fans demanding dependable torque at peak loads. Feature: 20 HP, 1770 RPM, 4P high-pole configuration. Business Impact: Delivers predictable torque and speed control with minimal vibration, enhancing process stability. Application: Industrial drives where precise speed control and reliable startup are essential. Feature: Narrow Nominal Speed (1770 r/min) and Synchronous speed (1800 r/min). Business Impact: Reduces wear on driven equipment and optimizes belt/chain life, reducing maintenance costs. Application: Continuous process lines and material handling systems. Feature: Shaft Ground and mounting options including Horizontal orientation and C-Face drive end flange. Business Impact: Provides installation flexibility and compatibility with existing drive assemblies, lowering integration risk. Application: Retrofit projects and new installations across varied layouts. Feature: 40 °C ambient rating and robust bearings (6309/Ball, 6208/Ball). Business Impact: Extends bearing life in moderate ambient conditions, lowering preventive maintenance needs. Application: Plant floors with normal ambient temperatures and vibration considerations.
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FAQs
Begin by verifying compatibility with a 256TC frame and TEFC enclosure. Use a foot-mounted base and align the motor horizontally to match the drive end flange (C-Face) with your coupling or belt pulley. Ensure the mounting position is F1, and connect the shaft grounding as instructed. Verify final alignment, torque bolts to spec, and wire per the 230/460 V three-phase supply. This setup minimizes vibration, simplifies maintenance, and fits standard plant footprints.
The motor supports dual voltage 230 V and 460 V at 60 Hz, three-phase configuration, with a rated current up to 48 A depending on load. Connect to a suitable VFD or MCC with correct heat dissipation, ensure proper grounding, and size protective devices for a 20 HP load with a service factor of 1.15. Use copper conductors sized for current and temperature ratings to maintain performance and safety.
Yes. The motor is designed for continuous duty with a NEMA design A profile and a Premium Efficiency rating, supporting sustained operation under typical plant loads. With a 20 HP rating, 1770 RPM nominal speed, and a 1.15 service factor, it maintains torque and speed under steady conditions. TEFC enclosure and robust bearings further support long-term reliability in conveyors and fans.
The unit carries CSA and UR certifications, along with NEMA-based design considerations. This supports compliance for North American installations and industrial safety requirements. The motor also meets Premium Efficiency standards, aiding energy conformity. Ensure documentation is kept for audits and that installation adheres to local electrical codes and CSA/UR labeling requirements.
Maintenance focuses on periodic bearing checks (6309/Ball and 6208/Ball), lubrication per schedule, and monitoring shaft grounding integrity to prevent fault currents. The improved grounding path reduces downtime, while Premium Efficiency lowers energy costs over time. With standard stock at multiple warehouses and a 0-day lead time, the total cost of ownership is often reduced compared to non-grounded or high-maintenance alternatives.