The Square D A5.78 Thermal Unit is a key component in the industrial and commercial electrical systems, designed primarily for overload protection of motors. It is part of Square D’s extensive line of motor control products, which are known for their reliability and performance. The A5.78 thermal unit operates efficiently within a current range of 5.15 to 5.78 amperes and belongs to Class 20, making it suitable for various industrial applications where motor protection is critical. This thermal unit is designed to provide accurate and timely protection against overheating, thus ensuring the longevity of connected machines and electrical systems. Square D has established a reputation for quality and innovation in the electrical equipment sector, and the A5.78 thermal unit is no exception. Its unique features include a robust design that withstands harsh operating environments, as well as compatibility with various motor starters and control devices. This product is widely utilized across different industries such as manufacturing, HVAC, and water treatment facilities, where the prevention of motor burnout is essential. The A5.78 thermal unit is not just a safety device but also contributes to the efficiency of operations by preventing unnecessary downtime due to motor failures.

Current Range: 5.15 – 5.78 A Class: 20