Supco SHP450250 High Pressure Control Switch 450 PSI Open 250 PSI Close

The Supco SHP450250 is a high-precision pressure control switch designed for HVAC and refrigeration systems. This SPST (Single Pole Single Throw) switch provides reliable overpressure protection by automatically opening at 450 PSI and closing at 250 PSI, ensuring safe operation of air conditioning, refrigeration, and heat pump systems.

Key Features:

• Opens on pressure rise at 450 PSI, closes at 250 PSI
• Automatic reset operation for convenient functionality
• 1/4" SAE 45° female flare fitting with valve core depressor
• Compatible with HFC, HCFC, and CFC refrigerants
• Snap-acting stainless steel hermetically sealed sensor for durability
• Pressure range: 0-650 PSI with ±15 PSI differential
• Operating temperature range: -30°F to 176°F (-35°C to 80°C)
• Rated life: 100,000 cycles at rated load
• Encapsulated, non-adjustable design for consistent performance
• Direct mount installation

This high-pressure switch delivers excellent set point repeatability and stability, making it ideal for professional HVAC and refrigeration applications where reliable pressure monitoring and control are essential. The economical design provides precision control without compromising quality or performance.