Allen-Bradley 140U-H-UD is an undervoltage release trip unit for Bulletin 140G assembled molded case circuit breakers (MCCBs). This accessory provides remote or automatic circuit interruption when the supply voltage drops below a specified level, protecting motors and equipment. It is rated for 110-127V AC or 125V DC trip voltage and is designed for use with H-frame and larger MCCBs.

Electrical

• Undervolt Release The Allen Bradley 140U-H-UD Undervolt Release is a critical component designed to enhance the safety and reliability of electrical systems in industrial automation. This undervolt release device is engineered to protect contactors from unintended operations due to voltage drops, ensuring operational integrity and mitigating potential equipment damage.

Key Features

• Voltage Range: Operates effectively within a voltage range of 24V to 48V AC/DC, making it versatile for various applications.
• Quick Response Time: Features a response time of less than 1 second, providing immediate protection against undervoltage situations.
• Compact Design: Its compact footprint allows for easy integration into existing systems without requiring significant space.
• Robust Construction: Built with high-quality materials to withstand demanding industrial environments, ensuring long-term durability.
• Easy Installation: Designed for straightforward installation, simplifying setup and reducing downtime during maintenance.

Applications

• Industrial Automation: Ideal for use in manufacturing processes where reliable operation of contactors is crucial.
• Safety Systems: Frequently utilized in safety circuits to prevent unwanted machinery operation during undervoltage conditions.
• Compatibility: Compatible with Allen Bradley’s range of contactors, enhancing the overall functionality of electrical systems.
• Versatile Environments: Suitable for various industrial settings, including factories, assembly lines, and process control environments.

Benefits

• Enhanced Safety: Protects equipment from damage caused by undervoltage, reducing the risk of operational failures and hazards.
• Increased Reliability: Ensures that contactors function correctly, helping to maintain consistent production processes.
• Cost-Effective Solution: By preventing unnecessary equipment damage, it contributes to lower maintenance costs and improved equipment lifespan.
• Operational Efficiency: Its quick response time minimizes downtime, allowing for uninterrupted operations in critical applications. --- Product information compiled with AI assistance for reference purposes.