Product Introduction
DC air conditioners for outdoor cabinets are compact thermal management units designed to keep sensitive electronics operating safely in harsh environments. Powered directly by DC supply (commonly from batteries, solar systems, or DC bus), they provide stable cooling for electrical cabinets, telecom enclosures, monitoring cabinets, and energy storage auxiliary compartments—especially in remote or unmanned sites where AC power is limited or unstable.
Compared with conventional AC-powered units, DC cabinet air conditioners offer higher energy efficiency, smoother temperature control, and better adaptability to off-grid applications. With sealed structure and robust protection design, they help prevent overheating, condensation, and dust ingress, improving system reliability and extending component life. Many models also support smart monitoring interfaces such as RS485/Modbus , making it easier to manage cabinet temperature remotely and reduce maintenance visits.
Features
High efficiency DC rotary compressor：Reliable & energy saving
Intelligent communication：RS485 port and dry contact alarm port
LED display：Parameters setting and operation display
High protection level：Application in outdoors perfectly
Easy maintainability design：For convenient maintenance
Wide operating temperature range：Adapt to all conditions
Environment friendly refrigerant：Add a green Earth
Photos
Technical Parameter
| Cooling Capacity | DC Input Voltage Range | Refrigerant | Installation | Enclosure Protection | Communication | Cabinet Material | Surface Finish |
|---|---|---|---|---|---|---|---|
| DC300W | -48VDC ±20% | R134a | Semi-embedded | IP55 | RS485 | SGCC Steel | RAL7035 |
| DC500W | -48VDC ±20% | R134a | Semi-embedded | IP55 | RS485 | SGCC Steel | RAL7035 |
| DC1000W | -48VDC ±20% | R134a | Semi-embedded | IP55 | RS485 | SGCC Steel | RAL7035 |
| DC2000W | -48VDC ±20% | R134a | Semi-embedded | IP55 | RS485 | SGCC Steel | RAL7035 |
| DC3000W | -48VDC ±20% | R134a | Semi-embedded | IP55 | RS485 | SGCC Steel | RAL7035 |
| DC4000W | -48VDC ±20% | R134a | Semi-embedded | IP55 | RS485 | SGCC Steel | RAL7035 |
Applications
DC air conditioners for outdoor cabinets are widely used to protect temperature-sensitive electronics in remote or unmanned sites where -48VDC power is available (battery system, rectifier, solar-hybrid, DC bus). Typical applications include:
Telecom Outdoor Cabinets & BTS Sites: base station cabinets, power cabinets, transmission cabinets, RRUs/BBUs shelters
Smart Grid & Utility Monitoring Cabinets: feeder automation, distribution monitoring, protection & control panels
Outdoor Electrical Control Cabinets: PLC/control panels for industrial automation, pumping stations, and remote facilities
