The DC Fridge CX400 + VX400O is a DIY refrigeration kit for a 400L build, pairing a cooling unit with an evaporator plate for boats, caravans and RVs. This Dometic Cold Machine DIY Kit is made up of the CX 400 cooling unit, VX 400-O evaporator cooling plate, and digital thermostat. The Dometic CX & VX series delivers tailored cooling power for every boat and every box. With compact condensing units and versatile evaporators, the system adapts seamlessly to volumes from 50 to 400 L. Precision digital control, reliable quick-connect couplings and low-GWP refrigerant* make installation simple and performance dependable. Whether for a compact galley fridge or a high-capacity fish box, CX & VX gives you the flexibility to design refrigeration that’s as individual as your voyage. Benefits of Dometic CX & VX Series Flexible combinations of condensing units and evaporators to suit boxes from 50 - 400 L Reliable quick-connect couplings for fast, secure installation Compact compressor units designed for tight marine spaces Modern roll-bond evaporators with clean faceplate design for seamless integration Precision digital temperature control with high-accuracy NTC sensor Energy-efficient performance with low-GWP refrigerant* (R1234yf) Suitable for both new builds and retrofit upgrades Multiple evaporator formats (flat, O-box, fan-cooled, freezer) to match any compartment Cooling Unit Specifications: Model / SKU: CX 400 / 9630000218 Voltage: 12 / 24 V DC Cooling Capacity: up to approx. 400 L / 14 cu ft Power Consumption: 80 W Refrigerant Type: R1234yf Global Warming Potential: 0.501 Refrigerant Quantity: 35g CO2 Equivalent (tCO2): 0.000018 Dimensions (W × D × H): 290 × 156 × 144 mm Weight: ~4.1 kg Plate Evaporator Specifications: Model / SKU: VX 400-O / 9630000226 Unit Type: Roll-bond capillary plate Compatible With: CX 400 cooling units Voltage: 12 / 24 V DC Power Consumption: 73W Refrigerant Type: R1234yf Global Warming Potential: 0.501 Refrigerant Quantity: 30g CO2 Equivalent (tCO2): 0.000015 Pipe Length: 2.2m Connection Type: Spring Coupling Max Cooling Capacity at 35, 50, 100 mm PU (Fridge): 200, 400, 500 Max Cooling Capacity at 35, 50, 100 mm PU (Freezer): 65, 130, 160 Internal Freezer Volume (m3): 17 Dimensions (W × H × D): 397 × 304 × 187 mm Weight: ~2.1 kg Specifications Capacity 400L Voltage 12/24V