The Copeland D4DJ-300X is a heavy-duty semi-hermetic reciprocating compressor built to deliver high-capacity cooling for medium- and low-temperature refrigeration systems. It is ideal for large commercial and industrial applications such as logistics centers, cold storage warehouses, and food manufacturing facilities.

General Description
Part of the high-performance D4 series, the D4DJ-300X features a serviceable semi-hermetic design that ensures ease of maintenance and reliable long-term operation. Designed for continuous use, it offers stable performance with a variety of refrigerants and is built to withstand demanding operating conditions.

Key Specifications

• Compressor Type: Semi-hermetic, reciprocating

• Application: Medium and low temperature

• Cooling Capacity: Approx. 30 HP

• Displacement: 84.7 m³/h

• Voltage: 380–420V / 50Hz or 460V / 60Hz

• Phases: 3

• Refrigerants: R-404A, R-507, R-134a (based on system design)

• Oil Type: Mineral or alkylbenzene

• Motor Protection: Internal thermal protection

Conclusion
The Copeland D4DJ-300X provides strong, dependable cooling in high-load refrigeration systems. Its robust design and serviceability make it a reliable choice for operations that require consistent performance and minimal downtime.