Description
The Copeland 3L11-220 is a manual reset limit switch designed for high-temperature safety control in HVAC and heating equipment. This switch features an open-on-rise function, interrupting the circuit when temperatures reach 220°F to protect equipment from overheating. The manual reset design requires technician intervention to restore operation, making it ideal for safety-critical applications where verification of fault conditions is necessary before restart. Built with a durable bimetal disc, the 3L11-220 provides accurate temperature sensing and reliable performance in furnaces, unit heaters, and other heating systems.
Key Features
- Open-on-rise temperature rating: 220°F cut-out
- Manual reset for safety-critical applications
- Bimetal disc for precise and repeatable temperature response
- Designed for overheat protection in HVAC equipment
- Requires manual reset after temperature fault condition
- Suitable for furnaces, unit heaters, and heating appliances
- OEM-grade construction from Emerson / White-Rodgers
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