CSX400 Cold Machine Self-Contained Cooling System for Volumes Up to 400L – 12/24VDC
The all-in-one upgrade for marine refrigeration. The Dometic CSX delivers next-generation cooling performance in a compact, integrated design. With precision temperature control, fan-assisted cooling and ultra-efficient, low-GWP refrigerant, it’s built to keep food and drinks fresher for longer – no matter where you sail.
The Dometic CSX is a self-contained cooling system engineered for effortless installation and reliable performance. Ideal for volumes between 50 and 400 L, it combines a high-efficiency compressor, fan-cooled evaporator and digital temperature control in one space-saving unit. Simply drop it in, connect power, and enjoy consistent cooling without the complexity of remote couplings. With low-GWP (Global Warming Potential) refrigerant, reduced power draw and a durable marine-ready build, the CSX is the smarter way to keep provisions fresh – whether you’re coastal cruising or voyaging offshore.
Benefits with Dometic CSX Series:
- Integrated compressor and evaporator for easy drop-in install
- Fan-assisted airflow reduces cool-down time and maintains even temperature
- Digital temperature control with high-accuracy NTC sensor
- Up to 20% lower power consumption vs. previous models
- Low-GWP (Global Warming Potential) refrigerant (R1234yf) for reduced environmental impact
- Built-in LED compartment lighting for better visibility
- Compact footprint for space-restricted galleys or boxes
- Available in refrigerator or deep-freezer versions
- Electronic control with automatic defrost logic
Features:
- 250-400L volume
- Digital display (internal or external mount) & NTC sensor
- Fan-cooled evaporator with integrated compressor
- Built-in LED compartment lighting
- Drop-in installation, no couplings required
Technical Specifications:
- Max. Cooling Capacity (L) – 400
- Connection Voltage – 12/24VDC
- Power Consumption (Rated Max W) – 77
- Refrigerant Type – R1234yf
- Global Warming Potential (GWP) – 4
- Refrigerant Quantity (g) – 45
- CO2 Equivalent (tCO2) – 0.00018
- Full Unit Dimensions (W x H x D) (in.) – 10.1 x 13.8 x 8.9
- Weight (lbs) – 12.8
Owner’s Manual (pdf)
Brochure (pdf)
SKU:DOM-9630000214

![Marine Business Melamine Snack Set - NORTHWIND - Set of 4 [15013]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/marine-business-melamine-snack-set-northwind-set-4-15013.webp)
![Springfield 15.5" x 27.5" Rectangular Table Top - White [1670008]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/springfield-15-5-x-27-5-rectangular-table-top-white-1670008.webp)
![SeaDek Combo Dash Pocket - Mocha [53614-83380]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/seadek-combo-dash-pocket-mocha-53614-83380.webp)
![Marine Business Melamine Round Dessert Plate - NORTHWIND - 7" Set of 6 [15003C]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/marine-business-melamine-round-dessert-plate-northwind-7-set-6-15003c.webp)
![Viking Cylinders 17lb Vertical Fiberglass Composite LPG Cylinder w/Type 1 Valve - OPD, DOT, TC Approved [1420-0017]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/viking-cylinders-17lb-vertical-fiberglass-composite-lpg-cylinder-w-type-1-valve-.webp)
![Marine Business Melamine Rectangular Tray - NORTHWIND [15012]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/marine-business-melamine-rectangular-tray-northwind-15012.webp)
![SeaDek 16" x 39" 20mm Dual Density Large Helm Pad Mocha/Black Brushed w/Routed Teak LinesBoston Whaler Logo - 406.4mm x 990.6mm x 20mm [39615-80327]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/seadek-16-x-39-20mm-dual-density-large-helm-pad-mocha-black-brushed-w-routed-tea.webp)
![Magma Surface Slide Mount [T10-345]](https://www.sailrepairworks.com/wp-content/uploads/2026/10/magma-surface-slide-mount-t10-345.webp)