CASTAIR I73CUC2-S 7.5 HP Cube Air Compressor Power Unit – 28.1 CFM at 175 PSI, 3-Phase

CASTAIR I73CUC2-S 7.5 HP Cube Air Compressor Power Unit

The CASTAIR I73CUC2-S is a 7.5 HP industrial air compressor power unit designed for commercial workshops, service vehicles, and industrial compressed-air applications. Its compact Cube configuration combines a low-speed pump, electric motor, and factory-mounted magnetic motor starter in a rigid steel frame.

Operating at 585 RPM, this three-phase unit delivers 28.1 CFM at 175 PSI. Its tankless design makes it suitable for installation with a compatible existing or remote air tank, providing an alternative to replacing an entire compressor assembly when the tank remains in good condition.

Key Features

• 7.5 HP motor: Designed for demanding commercial and industrial applications.
• Three-phase power: For compatible industrial electrical installations.
• Low-speed pump: Operates at 585 RPM.
• Air delivery: 35.0 CFM at 0 PSI and 28.1 CFM at 175 PSI.
• Mounted magnetic motor starter: Factory-mounted and wired.
• Rigid steel frame: Provides a durable mounting structure.
• Self-tensioning motor base: Supports belt tension management.
• Compact Cube design: Helps minimize installation space.
• Standard discharge connection: 3/4-inch NPT female pump outlet.

Technical Specifications

Installation Requirements

This tankless power unit is designed to mount on a compatible existing or remote air tank. A pressure switch is required for operation. Depending on the installation, additional components such as a check valve, discharge piping, fittings, and vibration pads may also be needed.

Verify electrical compatibility and installation requirements with CASTAIR before purchase.

Performance Note

Air delivery varies with operating pressure and system conditions. The tank, pressure switch, and any required installation components should be selected to suit the intended application.