140M-C-UCF

Overview of Allen Bradley 140M-C-UCF

The Allen Bradley 140M-C-UCF is a motor protection circuit breaker designed to provide reliable short-circuit, overload protection, and manual motor control for multiple motor installations. Built by Rockwell Automation, it belongs to the 140M series known for durable construction and efficient motor safeguarding. This model offers an adjustable motor current setting and compact frame size suitable for space-constrained panels. It ensures operational safety while offering easy maintenance and installation. The 140M-C-UCF supports a maximum continuous rating suitable for various industrial motor applications, making it a practical choice for factories and process automation setups requiring consistent motor protection and isolation.

Key Features of Allen Bradley 140M-C-UCF

• Compact C-frame design supporting motor currents up to 32A
• Provides reliable overload and short circuit protection
• Adjustable motor current setting enhances flexibility in installation
• Manual motor disconnect capability for safe maintenance
• Lockable knob feature for added operational security
• Trip class 10 rating for fast and accurate motor overload response
• Compatible with side-mount auxiliary contacts for status indication
• IP2X finger protection covers included for operator safety
• UL Listed as a Type E Self-Protected Combination Motor Controller
• Compact width fits standard control panels efficiently

Technical Specs of 140M-C-UCF

Specification	Details
Frame Size	C-Frame
Rated Operational Current (Ie)	Up to 32 Amps
Motor Current Adjustment Range	0.1 to 32 Amps
Maximum Short Circuit Current	100 kA
Trip Class	10
Voltage Rating	Up to 690V AC
Additional Features	Lockable knob, IP2X finger protection, side auxiliary contact compatibility
Weight	0.603 kg

Applications / Use Case

The Allen Bradley 140M-C-UCF motor protection circuit breaker is ideal for safeguarding motors in manufacturing plants, automation systems, and industrial machinery. Its ability to protect against short circuits and overloads makes it suitable for conveyor systems, pumps, compressors, and fans. The adjustable current range enables the device to be customized for motors with different full load amperages. Additionally, the manual disconnect function allows operators to safely perform maintenance tasks without power source hazards. The 140M-C-UCF’s compact design is well-suited for control panels where space is limited but high reliability is required. It also meets UL and IEC standards, ensuring compliance in global electrical systems.

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