Description
The Supco SHL511 is a board-mounted general purpose limit switch engineered for dependable temperature control and overheat protection in HVAC and appliance applications. With fixed open and close temperature setpoints and an automatic reset function, this limit switch provides consistent, hands-free protection without requiring manual intervention after a trip event.
Key Features
- Fixed Open Temperature: 160°F — trips the circuit when the sensed temperature reaches this threshold
- Fixed Close Temperature: 140°F — automatically resets and restores the circuit once the temperature drops to this level
- Switch Type: SPST (Single Pole, Single Throw) Normally Closed — circuit is closed under normal operating conditions and opens on high-temperature detection
- Auto Reset: Automatically restores operation when temperature returns to the safe range — no manual reset required
- Insertion Length: 3.12″ — designed for precise board-mounted installation
- Mounting Style: Board Mounted — ideal for direct integration into control boards and appliance assemblies
Application
The SHL511 is well-suited for use in furnaces, air handlers, appliances, and other HVAC equipment where temperature monitoring and automatic safety shutoff are required. Its normally closed SPST configuration ensures the system operates continuously under safe conditions and interrupts the circuit only when an over-temperature condition is detected.
Product Specifications
- Brand: Supco
- SKU: SHL511
- Open Temperature: 160°F (Fixed)
- Close Temperature: 140°F (Fixed)
- Switch Configuration: SPST Normally Closed
- Reset Type: Auto Reset
- Insertion Length: 3.12″
- Mounting Type: Board Mounted
- Control Type: Temperature
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