Allen-Bradley 140MP-A3E-B40

Overview

The Allen-Bradley 140MP-A3E-B40 is a robust and highly efficient Motor Protection Circuit Breaker (MPCB) engineered to safeguard industrial motors. This manual motor starter provides critical protection against both overloads and short circuits, ensuring operational longevity and safety in challenging industrial environments. Designed for motors with a current rating of 2.5A to 4.0A, its compact Frame Size A allows for seamless integration into a variety of control panels and systems. With adjustable thermal protection, precise customization is possible to meet the unique needs of your motor-driven applications, while fixed magnetic protection offers instantaneous defense against fault conditions. This MPCB is an ideal solution for engineers and technicians seeking reliable and versatile motor protection.

Key Features

• Adjustable Thermal Protection: Offers a customizable range for overload protection, allowing for precise calibration to match specific motor current requirements and prevent costly damage from sustained overcurrents.
• Fixed Magnetic Short-Circuit Protection: Provides immediate and robust defense against high-current electrical faults, safeguarding the motor and associated machinery from severe damage.
• Compact Frame Size A: Engineered for space efficiency, this design facilitates easy and quick installation within densely packed control panels and various industrial setups, optimizing panel real estate.
• Broad Current Range (2.5A to 4.0A): Suitable for protecting a wide spectrum of industrial motors, offering versatility across numerous applications from light to medium duty.
• Manual Motor Starter Functionality: Enables direct manual control for starting and stopping motors, providing an essential layer of local control and operational flexibility.
• 3 kA Short-Circuit Interrupting Rating: Guarantees reliable performance and protection against significant fault currents, ensuring system integrity and personnel safety under demanding conditions.
• DIN Rail Mountable: Designed for straightforward and secure mounting on standard DIN rails, simplifying installation procedures and enhancing modularity within control systems.

Technical Specifications

• Model: 140MP-A3E-B40
• Type: Motor Protection Circuit Breaker (MPCB), Manual Motor Starter
• Frame Size: A
• Current Range: 2.5A to 4.0A
• Short-Circuit Protection: Fixed Magnetic, 3 kA
• Thermal Protection: Adjustable Overload Protection
• Voltage Rating: 480V AC
• Mounting: DIN Rail Mountable
• Operating Temperature: -25°C to +60°C
• Color: Grey

Applications

• Motor-Driven Equipment: Essential for comprehensive protection of general industrial motors requiring reliable safeguard against both overloads and short circuits.
• Pumps and HVAC Systems: Ensures the continuous and safe operation of critical pumps, compressors, and heating, ventilation, and air conditioning units in commercial and industrial settings.
• Conveyor and Material Handling Systems: Protects motors vital to the operation of conveyor belts, automated guided vehicles, and other material handling machinery, preventing downtime.
• Robotics and Automation: Critical for integrating into robotic cells and automated manufacturing lines, securing precision motors from electrical anomalies and enhancing system reliability.
• Industrial Machine Tools: Provides robust protection for motors powering lathes, milling machines, presses, and other heavy-duty machinery in manufacturing environments.
• Power Distribution Panels: Functions as a primary protective device within industrial control panels and power distribution units, ensuring the safety of connected motor loads.

Why Choose This Model?

• Uncompromised Motor Safety: The combination of adjustable thermal and fixed magnetic protection offers a dual layer of defense, significantly reducing the risk of motor damage and extending equipment lifespan.
• Tailored Performance: Its adjustable thermal settings empower users to fine-tune protection parameters, optimizing performance for diverse motor characteristics and operational demands.
• Enhanced System Uptime: By effectively preventing motor failures due to electrical faults, this MPCB minimizes unexpected downtime, leading to increased productivity and reduced maintenance costs.
• Space-Saving Design: The compact