Description
The Supco SHL170 is a precision-engineered snap disc auto reset limit switch designed for reliable temperature control in HVAC and appliance applications. With a fixed 130°F cut-in temperature and a fixed 170°F cut-out temperature, this switch provides consistent open-on-rise protection, automatically interrupting the circuit when temperatures exceed the set threshold and resetting once temperatures return to a safe level — no manual intervention required.
The SHL170 ships complete with an adapter flange plate for straightforward mounting and integration into a wide range of equipment configurations. Its snap disc design delivers fast, positive switching action for dependable performance cycle after cycle.
Key Features
- Fixed 130°F cut-in temperature for precise automatic reset
- Fixed 170°F cut-out temperature for reliable high-limit protection
- Open on rise switch action — circuit opens as temperature rises to cut-out point
- Snap disc mechanism provides fast, positive switching response
- Auto reset operation — no manual reset required after temperature normalizes
- Includes adapter flange plate for versatile, secure mounting
Specifications
- Brand: Supco
- SKU: SHL170
- Fixed Cut-in Temperature: 130°F
- Fixed Cut-out Temperature: 170°F
- Switch Action: Open on Rise
- Switch Type: Snap Disc
- Reset Type: Auto Reset
- Includes: Adapter Flange Plate
Applications
- HVAC equipment high-limit temperature protection
- Appliance over-temperature safety control
- Heating systems requiring automatic thermal cutout
- OEM and replacement installations requiring snap disc limit switching







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