Three Phase AC Air Compressors for Sale

Three phase air compressors deliver the motor efficiency, higher horsepower, and sustained output that commercial shops, manufacturing plants, and industrial facilities require. CompressorPros carries three phase reciprocating and rotary screw models from 5 HP to 50+ HP, available in 208V, 230V, 460V. Filter by voltage, compressor type, or horsepower to find the right unit for your facility's electrical service and air demand.

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What Are Three Phase AC Air Compressors?

A three phase air compressor uses a three phase AC motor, which draws power from three alternating current waves. This type of electrical service is standard in industrial buildings, manufacturing facilities, larger commercial shops, and any operation where high-horsepower equipment runs throughout the day. Three phase motors are more efficient, produce smoother torque, draw less amperage per HP, and run cooler than single phase motors of equivalent power.

Three phase compressors serve auto body shops, fleet maintenance facilities, woodworking production floors, food processing plants, tire service centers, and any operation where compressed air is vital throughout the day. This category spans from entry-level 5 HP stationary shop units to 50+ HP industrial rotary screw systems that supply entire production lines.

Reciprocating (Piston) vs. Rotary Screw Three Phase Air Compressors

The first decision when selecting a three phase air compressor is whether you need a piston or a rotary screw air compressor. Your air demand pattern, daily run hours, and budget all factor into this choice.

Reciprocating (piston) air compressors on three phase power are almost exclusively two stage designs at this level, compressing air in two steps with an intercooler between stages for higher efficiency and maximum pressures of up to 175 PSI. They store compressed air in a receiver tank and cycle on and off as pressure fluctuates. Three phase reciprocating units are available from 5 to 25 HP and are well-suited to operations with variable or intermittent air demand, where the compressor does not need to run continuously. The BelAire 438VL 7.5 HP 230 Volt 3 Phase Two Stage 80 Gallon Air Compressor represents a solid entry into this tier, while the Quincy 4153DS12HCA46 15 HP QT PRO 460 Volt Three Phase 120 Gallon Horizontal Air Compressor serves heavier shop environments.

Rotary screw air compressors compress air continuously through two interlocking helical rotors. They are rated for 100% duty cycle and engineered to run all day without overheating. Three phase rotary screw units operate at significantly lower noise levels than reciprocating compressors of equal output, deliver steadier air pressure with less pulsation, and are more energy-efficient under sustained load. They are the standard choice for manufacturing, packaging, large fabrication shops, and any facility where compressed air runs as a utility. The Elgi EG22-150 30HP Three Phase Rotary Screw Air Compressor is a representative base-mount unit in this class, available across multiple voltage options.

For shops that use compressed air in bursts throughout the day, a three phase reciprocating compressor is often the most cost-effective option. For facilities running air tools, pneumatic automation, or industrial processes for four or more hours per day, rotary screw technology delivers lower operating costs and longer service life.

Types of Three Phase Air Compressors

Stationary Reciprocating Air Compressors

Three phase stationary reciprocating compressors are belt-driven, two stage units mounted on receiver tanks ranging from 80 to 200+ gallons. They deliver 15-50+ CFM depending on HP and are the backbone of auto repair shops, general contractors, fabrication operations, and service facilities. Three phase motors give these units a significant advantage over their single phase counterparts: smoother starting, lower amperage draw, and the ability to run larger pumps without the voltage and current constraints of single phase service.

Duplex Air Compressors

Duplex air compressors mount two pump-and-motor assemblies on a shared receiver tank. One pump can carry the load during light-demand periods or when the other is down for maintenance, and both engage during peak demand. This built-in redundancy makes duplex units particularly effective for operations that cannot tolerate any interruption in air supply, including medical facilities, food packaging, 24-hour production shops, and critical manufacturing lines. The ABAC ABC10-23200HD 2 x 10 HP 230 Volt Three Phase Duplex Air Compressor with 200 Gallon Tank delivers over 60 CFM with lead-lag controls that alternate pump operation for balanced wear.

Stationary Rotary Screw Air Compressors

Rotary screw compressors are the industrial standard for continuous compressed air. Available from 5 HP through 50+ HP on three phase power, these units typically ship as fully packaged systems with integrated controls, aftercoolers, and oil separators housed inside a sound-attenuating enclosure. The Schulz SRP-3025-460 Compact 25 HP 3 Phase Rotary Screw Compressor illustrates the compact footprint that modern rotary screw systems achieve at higher horsepower ratings, while units like the Toledo Tools TT40 serve large-scale production and industrial plant environments.

Variable Speed Drive (VSD) Rotary Screw Air Compressors

Variable speed drive (VSD) rotary screw compressors adjust motor speed to match real-time air demand rather than cycling between full load and idle. This eliminates the energy wasted during unloaded run time that fixed-speed compressors experience when demand fluctuates. VSD units deliver the greatest energy savings in operations with variable demand patterns, where air consumption swings significantly between shifts, processes, or times of day. They carry a higher upfront cost but can reduce energy consumption by 20-35% compared to fixed-speed units in the right application.

Voltage Options: 208V, 230V, or 460V

Three phase compressors are available across several voltage configurations, and selecting the correct one is essential for safe, efficient operation.

208V Three Phase

208V three phase is common in older commercial buildings. If your voltage dips below 208, you would be limited to a 200 Volt air compressor, which are less common.

230V Three Phase

230V three phase is the standard in many commercial and industrial buildings. This is the most widely available three phase voltage for compressors in the 5-15 HP range.

460V Three Phase

460V three phase is the standard for larger industrial facilities. Higher voltage reduces amperage draw for a given HP, allowing smaller wire sizes and lower electrical infrastructure costs. Most three phase compressors are available or standard in 460V configurations.

Key Specifications to Compare

CFM (Cubic Feet per Minute): The primary measure of a compressor's working capacity. Three phase reciprocating units typically deliver 15-60 CFM, while rotary screw models range from about 15 CFM at 5 HP to over 200 CFM at 50 HP. Calculate total simultaneous air demand across all tools and processes, then add a 20-30% buffer for peak loads.
HP (Horsepower): Three phase compressors range from 5 HP entry-level shop units to 50+ HP industrial systems. Three phase motors convert horsepower to CFM more efficiently than single phase motors, so a 7.5 HP three phase unit will often outperform a 10 HP single phase compressor in usable airflow.
Tank Capacity (Gallons): Applies to reciprocating and duplex compressors. Tanks of 80 to 200+ gallons are common in this category. Larger tanks reduce cycling, stabilize line pressure, and provide reserve air during peak demand. Rotary screw compressors may use a separate receiver tank or operate continuously without one.
Max PSI: Reciprocating three phase compressors typically reach 145-175 PSI. Rotary screw models are commonly rated at 100, 125, or 150 PSI. Select the PSI rating that matches your system and tool requirements rather than defaulting to the highest available.
Voltage: Must match your facility's electrical service exactly. Mismatched voltage causes poor motor performance, overheating, and potential equipment damage. When in doubt, have an electrician measure your supply voltage before purchasing.
Duty Cycle: Three phase reciprocating compressors are typically rated at 50-75% duty cycle. Rotary screw compressors are rated at 100% continuous duty. Matching the compressor's duty cycle to your actual usage pattern prevents premature wear and unscheduled downtime.

Verifying your facility's voltage, available amperage, and total air demand before purchasing is the most important step. A compressor that does not match your electrical service cannot be used safely, and one that does not match your air demand will either underperform or waste energy.

Brands Carried

Elgi: A global manufacturer with an extensive three phase lineup spanning 5 to 75+ HP, known for energy-efficient rotary screw compressors available across all standard voltage configurations.
Quincy: An American brand with over a century of manufacturing history, offering heavy-duty three phase reciprocating and rotary screw compressors backed by an extensive dealer and parts network.
BelAire: Builds a well-regarded line of three phase cast iron two stage reciprocating compressors for commercial and industrial shop environments.
ABAC: Offers three phase reciprocating and duplex compressors with cast iron pump construction, including high-capacity units up to 200+ gallon tank configurations.
Industrial Gold: A U.S. manufacturer focused on heavy-duty three phase reciprocating and duplex compressors with industrial-grade components and long pump life.
Schulz: Provides both three phase reciprocating and rotary screw compressors, recognized for compact packaging, quiet operation, and competitive pricing at industrial horsepower levels.
Toledo Tools: Industrial Rotary Screw Air Compressors by FS Curtis.

CompressorPros carries these and other established industrial brands so buyers can compare compressor technologies, voltage options, and performance levels from a single source.

Frequently Asked Questions

What is the advantage of three phase over single phase for air compressors? Three phase motors are more efficient, produce smoother torque delivery, draw less current per HP, generate less heat, and are available in much higher horsepower ratings than single phase motors. For any compressor above 10 HP, three phase is effectively the only practical option. Below 10 HP, three phase still offers lower operating costs and longer motor life.

What is the most common mistake when buying a three phase air compressor? Ordering the wrong voltage. A 230V compressor connected to 460V service, or vice versa, will not run properly and can damage the motor. Always verify your building's three phase voltage with a meter or electrician before purchasing.

My building only has single phase power. Can I still use a three phase compressor? No. Never try and operate a three phase air compressor using a phase converter. This will very likely void any warranty.

How do I know if my building has three phase power? Check your main electrical panel. Three phase service typically has three breaker poles tied together for individual circuits, and the panel label or utility meter will indicate three phase service. If you are unsure, an electrician can confirm with a quick meter reading.

When does a variable speed drive compressor make sense? A VSD compressor delivers the greatest return when air demand varies significantly throughout the day. If your facility has steady, predictable demand from open to close, a fixed-speed compressor is typically more cost-effective. If demand swings by 30% or more between peak and light periods, a VSD unit can reduce energy costs by 20-35%.

Does CompressorPros offer free shipping on three phase compressors? Yes. All orders ship free, direct from the manufacturer.

Shop Three Phase AC Air Compressors at CompressorPros

CompressorPros carries a full selection of three phase air compressors across every voltage and compressor type, from 230V reciprocating shop units and duplex systems to 460V rotary screw compressors and variable speed industrial systems. Whether you are equipping a new facility, upgrading an aging compressor, or expanding capacity for a growing operation, the right model is here.

All orders ship free, direct from the manufacturer. For help selecting the right model for your needs, reach out by phone (803-339-0445), email (info@compressorpros.com) or request a quote.

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Three Phase AC Air Compressors

Chicago Pneumatic RCP-7583VQP 7.5 HP 230 Volt Three Phase Quiet Power 80 Gallon Air Compressor

Chicago Pneumatic RCP-C10123D4 2 x 5 HP 460 Volt Three Phase Two Stage 120 Gallon Duplex Air Compressor

Chicago Pneumatic RCP-C10123V4 10 HP 460 Volt Three Phase Two Stage Cast Iron 120 Gallon Full Featured Air Compressor

Elgi EG18-150 25HP 208/230/460 Volt Three Phase Base Mount Rotary Screw Air Compressor - 150 psi

Elgi EG30-125 40HP 208/230/460 Volt Three Phase Base Mount Rotary Screw Air Compressor - 125 psi

Elgi EG37-150 50HP 208/230/460 Volt Three Phase Base Mount Rotary Screw Air Compressor - 150 psi

Elgi EN05-125-60T-G2 7.5 HP 208/230/460 Volt Three Phase Rotary Screw Air Compressor Compressor 60 Gallon Horizontal Tank Mount with Dryer- 125 psi

Industrial Gold CI1023E120H-P 10 HP Platinum Series 460 Volt Three Phase Two Stage Air Compressor

Industrial Gold CI523E80H-P 5 HP Platinum Series 208-230 Volt Three Phase Two Stage Air Compressor

Industrial Gold CI523E80H-P 5 HP Platinum Series 460 Volt Three Phase Two Stage Air Compressor

Industrial Gold CI7523E80V-CI10-P 7.5 HP Platinum Series 208-230 Volt Three Phase Two Stage Air Compressor

Industrial Gold R73ENC3-CDR 7.5 HP 208/230 Volt Three Phase Rotary Screw Air Compressor with Dryer