Description
The Copeland 3L05-3 is a temperature limit switch designed for high-temperature protection in HVAC and heating systems. This open-on-rise control operates within a temperature range of approximately 210°F to 250°F with a 40°F differential, interrupting the circuit when the upper limit is reached to prevent overheating. The switch automatically resets as temperatures drop, allowing normal system operation to resume. Built with a durable bimetal disc, the 3L05-3 provides reliable and repeatable temperature response, making it suitable for furnaces, unit heaters, and other high-limit safety applications.
Key Features
- Open-on-rise temperature range: approximately 210°F–250°F
- 40°F differential for controlled cycling
- Automatic reset operation
- Bimetal disc for accurate and consistent temperature response
- Designed for high-limit safety protection in HVAC equipment
- Suitable for furnaces, unit heaters, and heating systems
- OEM-grade construction from Emerson / White-Rodgers
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