Allen-Bradley 810-A04B is a Bulletin 810 magnetic overload relay designed for motor protection in industrial control circuits. This 3-pole relay features an adjustable trip current range of 0.4 to 0.63 amperes, providing precise overload protection for small motors. It is typically used with Bulletin 100 or 500 contactors to form a complete motor starter assembly, offering reliable thermal protection against phase loss and overload conditions in AC induction motor applications.

Allen Bradley 810-A04B Magnetic Overload Relay The Allen Bradley 810-A04B Magnetic Overload Relay is an essential component in industrial automation, designed to protect motors from overload conditions. This robust relay effectively monitors the motor's current, ensuring optimal performance while preventing damage due to excessive operational demands. With its reliable operation and durable construction, the 810-A04B is perfect for various industrial applications.

Key Features

• Current Rating: Designed to handle a range of motor sizes with a current capacity of 1.6 to 4.0 Amperes, making it versatile for different applications.
• Time-Delay Function: Equipped with adjustable time-delay settings that enhance the protection of motors during start-up and prevent nuisance tripping.
• Magnetic Mechanism: Utilizes a magnetic mechanism for precise overload detection, ensuring quick response times to protect motor systems effectively.
• Compact Design: Space-saving design allows for easy integration into electrical panels with limited space, streamlining installation processes.
• Durable Construction: Built with high-quality materials to withstand harsh industrial environments, ensuring longevity and reliability.

Applications

• Motor Protection: Ideal for protecting three-phase motors in manufacturing setups, ensuring they operate within safe limits.
• Industrial Automation: Compatible with various automated systems, enhancing overall operational safety and efficiency in industrial settings.
• HVAC Systems: Utilized in HVAC applications to prevent compressor overload, ensuring consistent climate control and system reliability.

Benefits

• Enhanced Reliability: Provides peace of mind by safeguarding motors against overloads, minimizing downtime and maintenance costs.
• Improved Performance: Ensures motors operate efficiently, leading to increased productivity in manufacturing processes.
• User-Friendly Adjustments: The adjustable settings allow for customization based on specific operational requirements, providing flexibility for various applications. --- Product information compiled with AI assistance for reference purposes.