Hubbell 69HAU3 Pressure Switch with Unloader, 30-40 psi Cut In/Cut Out, Adjustable 15-60 psi Range - Ideal for Air Compressors, Water Pumps & HVAC Systems

Application: Used to Regulate the Tank Pressure Between Two Preset Valves Up to 250 PSI, UL Listed, CSA Certified, and CE Approved, Designed for Demanding Requirements of Larger Heavy Duty Commercial Compressors, Sturdy Painted Steel Case and Cover Resist Harsh Conditions, 3/8" Female NPT Standard, Rated for Both 50/60Hz Operation, Includes Unloader Valve Which Prevents the Compressor from Starting Under Load