Description
The Trane CNT0478 SPST Auto Limit Switch 100F-120F is a temperature-sensitive control component that monitors operating conditions and interrupts the electrical circuit when the preset temperature range is reached. Its internal sensing element automatically responds to temperature changes by opening or restoring the circuit as conditions return to the specified range, enabling it to regulate equipment operation. Applied in compatible HVAC systems, the element is mounted near heat-producing components where accurate temperature monitoring is required for circuit control. Automatic temperature response of overheating, supports stable equipment operation, and contributes to the protection of connected electrical and mechanical components.









