Hubbell 69HAU1 Heavy Duty Air Compressor Pressure Switch with Unloader Valve

The Hubbell 69HAU1 is a heavy-duty pressure switch designed for demanding commercial air compressor applications. This industrial-grade switch features factory settings of 115 PSI cut-in and 150 PSI cut-out, with an adjustable pressure range from 40 to 250 PSI to accommodate various compressor requirements.

Key Features:

• Integrated unloader valve prevents compressor from starting under load
• 3/8" female NPT pressure port connection
• 100% copper contacts for reliable electrical performance
• NEMA 1 rated enclosure with sturdy painted steel case and cover
• Extra wide diaphragm orifice reduces clogging
• Visible contacts for easy inspection
• Roomy wiring compartment with two large ground screws
• No-drift pressure settings for consistent operation
• UL Listed and CSA Certified

Electrical Ratings: Single phase: 2.0 HP at 120V, 3.0 HP at 240V; Three phase: 5.0 HP at 240V, 5.0 HP at 480/600V. Rated for both 50/60Hz operation.

This pressure switch is engineered to withstand harsh industrial conditions and provides reliable tank pressure regulation for larger heavy-duty commercial air compressor systems. The enclosed state-of-the-art switch mechanism ensures long service life and dependable performance.