Supco SHP300200 High Pressure Switch 300 PSI Open 200 PSI Close

The Supco SHP300200 is an encapsulated, non-adjustable high pressure switch designed for refrigeration, air conditioning, and heat pump systems. This automatic reset switch opens on pressure rise, providing reliable protection for HVAC compressors and systems using HFC, HCFC, and CFC refrigerants.

Key Features:

• Opens at 300 PSI, closes at 200 PSI with ±15 PSI tolerance
• SPST (single pole, single throw) contact configuration
• 1/4 inch SAE female flare connection with valve core depressor
• 18 inch lead length with UL1015 18 AWG wire
• Automatic reset functionality
• Operating pressure range: 0 to 650 PSI
• Burst pressure rating: 5,000 PSI
• Rated for 24/120/240 VAC at 50/60 Hz

Technical Specifications:

• Contact ratings: 12-28V AC/DC at 10A, 48V AC/DC at 5A, 110-120V AC at 5.8A, 208-240V AC at 2.9A (rated load)
• Maximum locked rotor amperage: 36A
• Life cycle at rated load: 100,000 cycles average
• Ambient temperature range: 20°F to 176°F (-30°C to 80°C)
• Fluid temperature range: 60°F to 250°F (-50°C to 120°C)
• UL and CE approved

This tamper-proof pressure switch features a snap-action stainless steel hermetically sealed sensor that delivers excellent set point repeatability and stability. Ideal for use as a high-pressure safety control or as an operating control in applications such as low ambient condenser fan control.