English
Español
Our Products
Featured Product Lineup
Explore our comprehensive range of high-quality refrigeration equipment designed for industrial and commercial applications.
DC Powered Cabinet Air Conditioner
Direct 48V DC operation for solar, telecom, and off-grid electrical enclosures · IP55 · 1000W-2000W
1500 W Cooling at 35°C
48V DC Nominal input
42–58V Input range
3.5 W Standby draw
This DC powered cabinet air conditioner is specified for electrical enclosures operating from 48V DC bus systems, including solar-powered telecom sites, hybrid microgrids, and remote off-grid installations. The unit removes the need for a DC-to-AC inverter stage, reducing conversion losses and eliminating a potential point of failure between the power source and the cooling load.
The compressor and fan motors operate directly from the DC bus. A wide input range of 42V to 58V accommodates battery voltage swing during charge and discharge cycles without interrupting cooling. The unit is intended for sites where load scheduling and available capacity are managed at the system level.
Commercial and Technical Advantages
01
No inverter stage Operates directly from the 48V DC bus, eliminating DC-to-AC conversion losses and removing the inverter from the maintenance scope. Applicable where the site already distributes DC power to equipment racks.
02
Low standby consumption Standby draw of 3.5W when the cabinet is at setpoint. Relevant for solar sites where overnight battery capacity is the limiting design factor and parasitic loads must be accounted for in the energy budget.
03
Battery voltage tolerance Continuous operation across 42V to 58V DC. Cooling is not interrupted during charge or discharge transitions. Configurable low-voltage cut-off prevents deep discharge of the battery bank.
04
Site energy coordination Communication interface allows the controller to receive charge state or available capacity signals from the site power system, adjusting cooling output to match available energy rather than running at fixed demand.
05
Documented electrical data Input current curves, inrush characteristics, and cut-off thresholds provided in the technical submittal for integration with site DC distribution and protection design.
06
Service parts program Compressors, DC fans, controllers, and protection devices held as service parts for a minimum of 10 years. Relevant for remote sites where parts availability determines maintenance scheduling.
Technical Parameters
Electrical
Nominal input voltage48V DC
Input voltage range42V to 58V DC
Maximum input current34 A at 48V
Inrush current limit1.5× nominal
Standby power draw3.5 W
Low voltage cut-off40V DC, configurable
ProtectionReverse polarity, over/under voltage, overcurrent
Cooling and mechanical
Cooling capacity at 35°C1500 W ± 5%
Capacity at 45°C ambient1350 W (derated)
Operating ambient range-30°C to +55°C
Refrigerant and chargeR290, 280 g (GWP 3)
Enclosure ratingIP55 (IEC 60529)
Dimensions (H×W×D)860 × 560 × 300 mm
Net weight38 kg
Deployment Contexts
Solar-powered telecom sites Remote base stations and microwave relay cabinets operating from photovoltaic arrays and battery banks, where conversion to AC for cooling would add loss and hardware.
Hybrid microgrids Diesel-solar-battery hybrid systems where DC bus distribution is already present and cooling loads are managed alongside other DC equipment.
Off-grid monitoring stations Environmental and infrastructure monitoring cabinets in locations without grid connection, where battery capacity and parasitic load determine operational autonomy.
DC-powered industrial enclosures Industrial control cabinets operating from 48V DC distribution where AC supply is unavailable or intentionally avoided for safety or reliability reasons.
Selection and Installation Notes
DC supply sizing Size the DC feed for 34 A continuous at 48V, with cable and protection rated for the maximum current at the lowest operating voltage. Account for the cooling load in the site energy budget.
Cut-off configuration The low-voltage cut-off is factory set at 40V and adjustable. Set the threshold above the battery depth-of-discharge limit to avoid competing protection actions with the site controller.
Cable and protection Copper conductors 10 mm² minimum. DC-rated fuse or breaker at 40 A. Verify voltage drop between the distribution point and the unit does not exceed 2% under full load.
Clearance Maintain 300mm at the evaporator return and 500mm at the condenser discharge. Keep the condenser air path free of recirculation from the evaporator outlet.
Refrigerant handling R290 is classified A3 (flammable). Service must follow local regulations for flammable refrigerants, including venting, leak detection, and technician certification requirements.
Maintenance interval Filter inspection every 2 to 3 months at dusty sites. Condenser coil cleaning quarterly. Annual check of DC connections, cut-off threshold, and refrigerant charge.
Procurement FAQ
No. The unit accepts 42V to 58V DC directly. Where the site bus voltage is outside this range, an external DC-DC converter is required. Provide the bus voltage and available current for evaluation.
The technical submittal includes input current at multiple voltage points and an annual energy estimate based on ambient profile. Provide the site load profile and battery capacity for a coordinated energy calculation.
The platform is available with 24V DC input at correspondingly higher current. Casing dimensions are unchanged. Contact the sales team for the 24V model reference and current rating.
Dimensional drawing, DC input characteristics, wiring diagram, capacity table, refrigerant data sheet, communication register map, and declaration of conformity. Flammable refrigerant handling documentation is included for R290 units.
Standard configuration lead time is 5 to 7 weeks. Orders above 50 units are scheduled individually. Custom voltages or communication options add 2 to 3 weeks. Contact the sales team for a production slot quotation.
Standard warranty is 24 months from commissioning or 30 months from shipment. Compressor coverage extends to 60 months. Warranty is conditional on documented maintenance and correct DC supply configuration.
Product Categories
Complete Refrigeration Portfolio
Comprehensive range of industrial refrigeration equipment — standard & custom
Air Cooled Chiller
Efficient air-cooled systems for plastics, laser, food & diverse industries
energy savingWater Cooled Chiller
High-performance water-cooled industrial chillers with superior COP
high efficiencyAir Cooled Box Chiller
Compact, ready-to-use air cooled box chillers for small to medium loads
plug & playWater Cooled Box Chiller
Space-saving water cooled box type chillers with integrated pump & tank
integratedAir Cooled Screw Chiller
Heavy-duty screw compressor, air cooled — for large industrial applications
heavy dutyWater Cooled Screw Chiller
High-capacity water cooled screw chillers for continuous operation
reliableWater Cooled Screw Evaporative Cooling Chiller
Evaporative assisted cooling for maximum efficiency in hot climates
ecoProfessional Customization
Tailor-made solutions — from design to manufacturing, for your specific needs
CUSTOM ISO 9001 · CE Certified
Shanghai Soouney Refrigeration Equipment Co., Ltd.
A large-to-medium-sized high-tech enterprise integrating R&D, production and sales. Upholding "integrity, quality, service and innovation" — delivering reliable cooling solutions to the world.
11+
Export Countries
200+
Projects Delivered
19+
Years of Innovation
100%
Client Satisfaction
2007
Engineering Excellence in Refrigeration
Shanghai Soouney was founded with a vision to become a leading force in the refrigeration industry. We are China DC Powered Cabinet Air Conditioner Manufacturers and Custom DC Powered Cabinet Air Conditioner Suppliers. Today, we are a renowned brand in cabinet air conditioners and industrial chillers, recognised by professionals worldwide.
Rooted in the Chinese market, we provide reliable refrigeration solutions to clients across the globe — from standard products to professional customisation.
From standard products to professional customization — we deliver precision cooling.
R&D Driven
High starting points, stringent standards — continuous innovation
Integrity & Trust
Long-term partnerships built on transparency and after-sales support
Certified Quality
ISO 9001, CE, and industry-specific approvals across all lines
Global Mindset
Serving 40+ countries with tailored refrigeration solutions
"We don't just cool equipment — we build trust, one project at a time."
Why Soouney
Driven by Quality & Innovation
Committed to delivering excellence through continuous improvement and customer-centric solutions.
R&D Focus
High starting points, stringent standards — continuous product improvement
Integrity & Service
Long-term partnerships built on trust, transparency and after-sales support
Global Presence
Rooted in China, serving worldwide with reliable refrigeration solutions
Certified Quality
ISO 9001, CE, and industry-specific approvals for all product lines
