Description
The Copeland 3L11-190 is a manual reset limit switch designed for high-temperature protection in HVAC and heating systems. This open-on-rise control interrupts the circuit when temperatures reach 190°F, helping prevent overheating and protecting critical components such as heat exchangers. The manual reset feature ensures the system remains shut down until the condition is inspected and reset by a technician, making it suitable for safety-critical applications. Constructed with a reliable bimetal disc, the 3L11-190 delivers consistent temperature response and long-term durability in demanding environments.
Key Features
- Open-on-rise temperature rating: 190°F cut-out
- Manual reset for safety-critical overheat protection
- Bimetal disc for accurate and repeatable operation
- Prevents overheating in furnaces and heating equipment
- Requires manual reset after temperature fault condition
- Suitable for HVAC systems, unit heaters, and furnaces
- OEM-grade construction from Emerson / White-Rodgers
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