Danfoss MT125-3VI Compressor

The Danfoss MT125-3VI is a high-performance hermetic reciprocating compressor primarily designed for medium to high evaporating temperature applications. As part of the Maneurop MT Series, this 4-cylinder unit is engineered to handle R22 refrigerant using a pre-charged mineral oil (160P) lubricant. This three-phase compressor operates at 200-230V and 60Hz, delivering a nominal capacity of 124,678 Btu/h. Its fully gas-cooled motor ensures total motor protection by passing all suction gas through the windings before compression, effectively eliminating the need for external cooling even in high-demand refrigeration cycles.

For field installations, the MT125-3VI features versatile rotolock connections, including a 1-3/4" suction port with a 1-1/8" ODF sleeve and a 1-1/4" discharge port with a 3/4" ODF sleeve. The inclusion of a 3/8" NPT oil equalization port and a threaded sight glass makes it an ideal candidate for parallel manifold configurations. The large internal free volume provides superior resistance to liquid slugging, a critical factor for technicians managing systems with significant refrigerant charges.

• High Volumetric Efficiency: Advanced circular valve plate design reduces internal pressure losses and heat transfer.
• Robust Liquid Handling: Massive internal housing protects components from damage during liquid refrigerant migration.
• Standardized Fit: Rotolock valves and supplied solder sleeves simplify direct replacement in existing HVACR systems.
• Advanced Motor Protection: Built-in internal overload protector guards against overheating and electrical fluctuations.
• Parallel Compatibility: Pre-drilled oil equalization connection allows for easy integration into multi-compressor racks.

• What oil is required for the MT125-3VI? This model is specifically designed for mineral oil. If you are converting to HFC refrigerants, the MTZ series with POE oil is typically required.
• Is this unit compatible with 208V systems? Yes, the 200-230V/3/60Hz motor rating is fully compatible with standard 208V three-phase commercial power supplies.
• Does this compressor include a mounting kit? Yes, the package includes the motor-compressor, rotolock nuts, gaskets, solder sleeves, and the necessary rubber grommets and bolts for installation.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.