Overload Relays Overview Overload relays provide motor protection by monitoring current and thermal conditions and by interrupting the control circuit when an overload is detected. They help prevent motor damage, reduce downtime, and extend the life of drives and related equipment. Designed for easy integration with standard control circuits, these relays offer reliable protection with fast, predictable response. Key benefits Protect motors from damage due to overloads and stalls, reducing unplanned downtime Extend life of motors and drives by providing fast, decisive protection Easy to integrate with standard contactors and control circuits Available with fixed or adjustable trip settings to fit a range of motor sizes and applications Reliable performance with consistent trip characteristics Key attributes Function: motor current and thermal protection with a dedicated trip element to interrupt the motor circuit when needed Compatibility: suitable for standard AC motor circuits and compatible with common contactors and control voltages Size: compact form factor designed for installation in crowded control panels Material: rugged enclosure built for industrial environments Performance: fast trip response, stable operation, and alignment with relevant electrical standards What to expect in use Simple selection: choose the appropriate current rating and trip setting to match the motor and load characteristics Robust protection: protects against motor burnout from overload, jam, or stall conditions Flexible deployment: suitable for a variety of control wiring schemes and panel layouts Use scenarios Conveyor systems: protect motors driving belt conveyors in manufacturing lines from overloads and jams, reducing downtime and equipment wear Pumps and compressors: guard pumping or air compression units in water treatment, chemical processing, or HVAC applications against overload current and stall conditions Fans and blowers: shield blower motors in commercial or industrial HVAC systems from restricted air flow or mechanical binding that would cause overload Installation considerations Match the relay current setting to the motor's fullload current (FLA) and the application load profile Confirm compatibility with the existing contactor and control voltage in the control panel Refer to the product datasheet for installation, wiring, and safety requirements to ensure proper performance Note This description reflects the generic features and uses of overload relays for motor protection in typical industrial environments. For modelspecific details, ratings, and configurations, consult the corresponding product documentation.