Description
The Cleveland Controls AFS-951 is a precision-engineered air pressure sensing switch designed for dependable pressure detection and control in a wide range of HVAC and building automation applications. With a broad sensing range of .05″ w.c. to 12″ w.c., this switch is well-suited for monitoring duct static pressure, filter status, fan operation, and airflow proving in commercial and residential systems.
Equipped with Single-Pole Double-Throw (SPDT) contacts, the AFS-951 provides both normally open and normally closed switching capability, giving installers the flexibility to configure the switch for a variety of control sequences — including fan proving, dirty filter indication, and safety interlock applications.
Key Features
- Wide sensing range: .05″ w.c. to 12″ w.c.
- SPDT contact configuration for versatile wiring options
- Suitable for duct static pressure, airflow proving, and filter monitoring
- Designed for commercial and residential HVAC applications
- Cleveland Controls quality construction for long-term reliability
Specifications
- Brand: Cleveland Controls
- Model / SKU: AFS-951
- Type: Air Pressure Sensing Switch
- Pressure Range: .05″ w.c. – 12″ w.c.
- Contact Type: SPDT (Single-Pole Double-Throw)
Common Applications
- Fan / blower operation proving
- Dirty filter detection and indication
- Duct static pressure monitoring
- Safety interlock circuits
- Building automation and HVAC control systems
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