Description
The Supco SHL518 Limit Switch is a Temperature control component used to monitor and regulate operating heat levels. It opens at 250F and closes at 210F, supporting to protect equipment from overheating by interrupting or restoring electrical circuits based on temperature thresholds. It is installed in furnaces, air handlers, and other heating appliances where safety cutoffs are required during abnormal temperature conditions in HVAC systems. The switch operates as part of the system’s safety control network, supporting accurate operation by ensuring temperature limits are maintained within defined ranges during continuous heating cycles in commercial applications.
