Description
The Copeland Comfort Control 3L09-4 is an automatic reset limit switch designed for temperature regulation and safety protection in HVAC systems. This switch monitors system temperatures and opens or closes the electrical circuit based on preset thermal conditions, helping to prevent overheating in furnaces and air handlers. The automatic reset function allows the switch to return to normal operation once temperatures drop to a safe range, supporting continuous system cycling without manual intervention. It is commonly used in residential and light commercial heating equipment.
Key Features
- Automatic reset limit switch for temperature control applications
- Provides over-temperature protection for HVAC equipment
- Opens and closes circuit based on preset temperature conditions
- Suitable for furnaces, air handlers, and heating systems
- Supports continuous operation without manual reset
- Designed for residential and commercial HVAC applications
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