The Danfoss SZ300 is a high-efficiency scroll compressor designed for air conditioning and refrigeration applications. Here’s a breakdown of its key features:​

Model: SZ300

Type: Scroll compressor

Refrigerant Compatibility: R407C, R134a, R513A​

Power Supply: 380–400V/3/50Hz or 460V/3/60Hz​

Cooling Capacity: Approximately 71.2 kW (243,000 BTU/h) at standard ARI conditions​

Oil Type: Polyolester (POE) oil, specifically 160SZ​

Oil Charge: 8.0 liters​

Swept Volume: 437.5 cm³

Physical Dimensions:

• Diameter: 344 mm

• Total height: 738 mm

• Suction connection size: 1 5/8 inch

• Discharge connection size: 1 1/8 inch​

Operating Limits:

• Maximum high-side pressure: 32 bar

• Maximum low-side pressure: 20 bar

• Maximum operating current: 69 A

• Maximum number of starts per hour: 12​

Applications: Primarily used in air conditioning systems, such as:​

• Commercial air conditioning

• Industrial air conditioning

• Process cooling​

The SZ series is designed to support modern refrigerants in response to environmental regulations. When choosing the SZ300, consider system compatibility, refrigerant availability, and long-term regulatory compliance.