The Overload Relay Unit is a dedicated protective device engineered to prevent motor failure by continuously monitoring electrical current. When current exceeds a preset safe thres...

The Overload Relay Unit is a dedicated protective device engineered to prevent motor failure by continuously monitoring electrical current. When current exceeds a preset safe threshold—adjustable from 1 to 32 Amperes—the unit initiates a precise trip within one second, disconnecting power to prevent dangerous overheating and irreversible damage to motor windings. Operating at 230V and 50Hz, it is designed for robust, long-term performance, featuring a durable IP54-rated enclosure that protects against dust and water splash. This reliability is central to its function, offering peace of mind by ensuring motors operate within safe thermal limits, thereby extending equipment lifespan and preventing costly, unplanned downtime. Its straightforward panel-mount design and dual reset functionality (automatic or manual) provide flexibility for various operational protocols and maintenance schedules.

This unit finds essential application in industries where motor-driven equipment is the backbone of operations. In manufacturing and processing plants, it protects motors integral to conveyor systems, mixers, and automated machinery. The agricultural sector relies on it to safeguard pump motors used for irrigation and water management, a critical defense against dry running. For commercial facilities, it secures motors within HVAC compressors and ventilation fans. Its capacity to support motors up to 5 horsepower makes it suitable for a wide spectrum, from smaller domestic water pumps to larger industrial compressors and machine tools, ensuring safety standards are met across the board.

The business value of this overload relay is rooted in operational continuity and asset protection. By preventing motor burnout, it avoids the significant costs associated with motor replacement, production halts, and emergency repairs. Its approximate 10-year service life and minimal 3W power consumption represent a low total cost of ownership. The unit's reliability acts as an insurance policy for your capital equipment, ensuring that pumps, compressors, and production machinery deliver consistent performance. This dependable protection is a key differentiator, building trust with operators and maintenance teams who require safety components that perform consistently under real-world electrical and environmental stresses.

Key Features:
- Adjustable current protection with a wide setting range from 1 to 32 Amperes for precise motor matching.
- Fast, reliable trip action with a 1-second delay to prevent motor overheating and winding damage.
- Dual reset functionality offering both automatic and manual reset modes for operational flexibility.
- Robust IP54-rated enclosure providing protection against dust ingress and water splashes for durability.
- Panel-mount design with 2 relay contacts for easy integration into existing control panels and starter units.

Benefits:
- Extends motor lifespan by preventing damage from overloads, overheating, and phase failures.
- Reduces maintenance costs and unplanned downtime by avoiding catastrophic motor failures.
- Ensures operational safety for personnel and protects connected electrical systems.
- Offers versatile application support for motors up to 5 HP in domestic, industrial, and agricultural settings.
- Delivers long-term reliability with an approximate 10-year service life and low 3W power consumption.