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Allen-Bradley | 140MT-C3E-B63 | 140MT-C Series
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Product Description: Allen-Bradley 140MT-C3E-B63
The Allen-Bradley 140MT-C3E-B63 is a robust motor protection circuit breaker with an electronic trip unit, rated for 63A. Designed as part of the compact 140MT-C series, it provides integrated overload and short-circuit protection for motors and motor circuits. The electronic trip unit offers precision, flexibility, and improved safety over traditional thermal-magnetic devices, making it ideal for high-current motor protection in industrial environments.
Key Features
- 63A rated operational current
- Electronic trip unit for precise overload protection
- Adjustable overload settings for application-specific tuning
- High breaking capacity ensures dependable short-circuit protection
- Compact C-frame design allows high-density panel installations
- Trip-free mechanism prevents failure under fault conditions
- Front-mounted ON/OFF toggle with status indication
- Compatible with a full range of modular accessories
Technical Specifications
- Frame Size: C-frame
- Trip Type: Electronic (adjustable overload protection)
- Rated Current (Ie): 63 A
- Rated Operational Voltage: Up to 690V AC (IEC), 480Y/277V AC (UL)
- Breaking Capacity: Up to 100 kA at 400V AC (with appropriate backup fuse)
- Trip Class: Typically Class 10
- Mounting Method: DIN rail or screw mount
- Operating Temperature: -25°C to +60°C
- Standards & Certifications: UL, CSA, CE, CCC, IEC/EN 60947-2 and 60947-4-1 compliant
Application Areas
- High-power motor circuits in industrial automation
- Pumps, compressors, conveyors, and heavy-duty HVAC systems
- Panel builders and OEM machinery
- Energy and utility sector installations
- Distributed motor control centers and MCCs
Advantages
- High-current handling in a compact form factor
- Electronic protection enhances precision and reduces nuisance trips
- Simplifies panel layout with integrated motor protection
- Wide accessory support enables customized solutions
- Reliable and certified for use in demanding industrial environments