Description
Supco SFC125265 Fan Cycle Switch Overview
The Supco SFC125265 is a precision-engineered fan cycle switch designed to regulate condenser fan motor operation based on refrigerant system pressure. By cycling the condenser fan on and off in response to head pressure changes, this switch helps maintain optimal system efficiency, protects compressor components, and ensures reliable year-round performance in air conditioning and refrigeration applications.
Key Specifications
- Cut-Out (Open) Pressure: 125 PSI
- Cut-In (Close) Pressure: 265 PSI
- Switch Action: Closes on Pressure Rise (SPST)
- Switch Type: Single Pole, Single Throw (SPST)
- Brand: Supco
- SKU: SFC125265
How It Works
The SFC125265 operates as a normally open pressure switch. As system head pressure rises to 265 PSI, the switch closes and energizes the condenser fan motor. When pressure drops to 125 PSI, the switch opens and de-energizes the fan. This pressure-driven cycling prevents excessive head pressure buildup and protects the refrigeration system during low-ambient temperature conditions.
Applications
- Residential and light commercial air conditioning systems
- Refrigeration condensing units
- Heat pump systems
- Any application requiring pressure-actuated condenser fan control
Why Choose the Supco SFC125265?
Supco is a trusted name in HVAC/R replacement components, known for quality construction and reliable performance. The SFC125265 offers a direct-replacement solution for OEM fan cycle switches, making it an ideal choice for service technicians seeking a dependable, cost-effective part. Its SPST design and clear pressure setpoints simplify installation and troubleshooting.







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