Dust Collector was in operation when shop was closed.

Unit has been disassembled, and piping removed from shop area. all ready for pick up.

Below is what I located when I researched the model number of the unit.

Sold as is where is

Key specifications
Horsepower (HP): 5 HP.
Airflow capacity: 1,500–2,250 Cubic Feet per Minute (CFM).
Electrical requirements: 230V or 460V, three-phase, 60Hz.
Amperage: 12.4A at 230V; 6.2A at 460V.
Dimensions: 40.25 inches (W) x 110.25 inches (H) x 37 inches (D).
Approximate weight: 800 lbs.
Operational features
High-efficiency cyclone: The ATC 205 uses a cyclone separator to remove moderate to large-sized dust particles from the airstream.
Continuous duty: The system is engineered to provide continuous, non-stop operation.
Durable construction: It is built with heavy-duty materials for long life and reliability in industrial settings.
Customizable configuration: After-filter assemblies and various options are available to match specific application needs and air quality requirements.
Model naming convention
The Amtech ATC model name indicates its specifications:
ATC: Designates a High-Efficiency Cyclone Dust Collector.
20: Indicates a 20-inch cyclone diameter.
5: Signifies a 5-horsepower drive motor