Description
The Supco SFC300400 Fan Cycling Pressure Switch is a compact, encapsulated, non-adjustable SPST (Single Pole Single Throw) switch designed for precise control of condenser fan operation in HVAC and refrigeration systems. It automatically closes on pressure rise, making it ideal for low ambient fan cycling applications.
Features:
Pressure Settings:
- Closes at 400 PSI, opens at 300 PSI, with a tolerance of ±15 PSI.
Electrical Ratings:
- 24/120/240 VAC at 50/60 Hz
- Maximum FLA: 5.8 Amps @ 120VAC; 2.9 Amps @ 240VAC
- Maximum LRA: 34.8 Amps @ 120VAC; 17.4 Amps @ 240VAC
Temperature Ratings:
- Ambient: -22°F to 275°F (-30°C to 135°C)
- Fluid: -4°F to 302°F (-20°C to 150°C)
Pressure Ratings:
- Operating Pressure Range: 0 to 650 PSI
- Burst Pressure: 5000 PSI
Design:
- ¼” SAE 45° female flare fitting with valve core depressor
- Snap-acting stainless steel hermetically sealed sensor
- 18 AWG, 18″ long wire leads
- Compact and lightweight for direct mounting
- Certifications: UL Recognized, CE Certified
Ideal for use in:
- Heat pump systems
- Air conditioning systems
- Refrigeration systems
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