Description
Cleveland Controls AFS-271-396 Air Flow Switch Overview
The Cleveland Controls AFS-271-396 is a reliable, normally open air flow switch engineered for HVAC and combustion applications where accurate airflow detection is critical. Designed to operate with air or combustion by-products that will not degrade silicone, this switch is well-suited for use in furnaces, air handling units, and other forced-air systems requiring dependable proof-of-flow verification.
Key Features
- Normally open (NO) configuration for standard proof-of-flow applications
- Wide setpoint range of 0.05″ ± 0.02″ to 2″ w.c. for versatile installation
- Broad voltage compatibility: 120–277Vac for use across common commercial and residential electrical systems
- Maximum pressure rating of 1/2 PSI (0.5 PSI) for safe, reliable operation
- Compatible with air and combustion by-products that will not degrade silicone internal components
- Compact design for straightforward duct or equipment installation
Specifications
- SKU: AFS-271-396
- Brand: Cleveland Controls
- Switch Type: Air Flow Switch
- Contact Configuration: Normally Open (NO)
- Setpoint Range: 0.05″ ± 0.02″ to 2″ w.c.
- Operating Voltage: 120–277Vac
- Maximum Pressure: 1/2 PSI
- Media Compatibility: Air or combustion by-products that will not degrade silicone
Applications
- Furnace and air handler proof-of-flow verification
- Combustion air proving in heating equipment
- HVAC duct airflow monitoring and safety interlock circuits
- Commercial and residential forced-air systems
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