SHP400300 HVAC Refrigeration for Supco High Pressure Switch Open: 400 Close: 300 - Pressure Switch -Features: SAE 45 female flare fitting with valve core depressor High pressure switch opens on pressure rise Life at rated load: 100,000 cycles Automatic Reset Rated Voltage 24/120/240 VAC @ 50/60 Hz Snap acting stainless steel hermetically sealed sensor Wire is 18 AWG, 18" long Small size and light weight for direct mounting Excellent set point repeatability/stability Specifications: -31F to 149F (-35C to 65C) Max Pressure 700PSI  Quality assurance: excellent design and processing. It is made of highly durable materials. After strict testing, it has compact structure and long service life. Super durable, high-quality substitute. Made of durable high quality materials and fully tested by the manufacturer This is the manufacturer's replacement. The function is equivalent to the previous parts. The product description is well designed and well processed. Accurate matching and wise choice. Our reliable accessories can keep your gear running smoothly. Please confirm your model before ordering. Carefully check the dimensions and photos for suitability.