Description
The Schneider Electric (Square D) B45.0 Thermal Unit used as a protective which operates within motor starters to protect electric motors from overheating. The bimetallic thermal unit operates as a protective part that detects high current and heat levels to initiate a disconnect which safeguards the motor from destruction. The HVAC system components including air handlers, compressors, and blower motors use this part to protect motors from damage through its ability to prevent burnout. The unit provides exact thermal overload protection and it has an easy replacement method which improves system reliability.









