Description
The Supco SHM200 is a precision-engineered snap disc manual reset limit switch designed to protect HVAC and heating equipment from dangerous overtemperature conditions. With a fixed cut-out temperature of 200°F and an open-on-rise switch action, this device immediately interrupts the circuit when the sensed temperature reaches the set point — keeping equipment and occupants safe.
Unlike automatic-reset controls, the SHM200 requires a manual reset, ensuring that a technician inspects and addresses the root cause of the overheat condition before the system is returned to operation. The included adapter flange plate simplifies mounting and ensures a secure, professional installation on a wide variety of HVAC applications.
Key Features
- Fixed cut-out temperature: 200°F
- Open on rise switch action — circuit opens when temperature exceeds set point
- Manual reset required after trip — prevents automatic restart without inspection
- Snap disc design for fast, reliable response to temperature changes
- Includes adapter flange plate for versatile, secure mounting
- Compact, durable construction suited for demanding HVAC environments
Common Applications
- Furnace and air handler overheat protection
- Duct and plenum high-limit sensing
- Heating element temperature limiting
- Commercial and residential HVAC safety control circuits
Why Choose the Supco SHM200?
Supco has built a trusted reputation in the HVAC and refrigeration industry for dependable, code-compliant controls. The SHM200 combines the proven reliability of snap disc technology with the added safety of manual reset operation, making it an ideal choice for any application where unattended automatic restart poses a risk. The adapter flange plate further streamlines installation, reducing labor time and ensuring a proper fit.
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