Description
The Trane CNT1662 is an OEM high limit switch engineered to protect heating systems from dangerous overtemperature conditions. Designed as a direct replacement for Trane equipment, this L250F-rated, single-pole single-throw (SPST) normally closed/common (NC/C) switch opens the circuit when temperatures exceed the rated threshold, shutting down the system before heat damage or unsafe conditions can occur.
Key Features
- OEM Trane replacement high limit switch
- L250F temperature rating — opens at 250°F to protect equipment
- SPST (Single-Pole Single-Throw) configuration for straightforward circuit control
- NC/C (Normally Closed/Common) contact arrangement
- Provides reliable overheat protection for furnaces and air handlers
- Direct OEM fit ensures proper installation and performance
Application
The CNT1662 high limit switch is a critical safety component used in Trane furnaces and heating systems. When supply air or heat exchanger temperatures rise above the 250°F set point, the switch opens to interrupt the burner circuit, preventing equipment damage and potential fire hazards. Its normally closed design ensures the heating system operates under normal conditions and safely shuts down upon an overtemperature event.
Product Specifications
- Brand: Trane
- Part Number: CNT1662
- Type: High Limit Switch
- Temperature Rating: L250F (250°F)
- Switch Configuration: SPST (Single-Pole Single-Throw)
- Contact Type: NC/C (Normally Closed / Common)
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