Thermamax 400D: Welding Inverter
Thermamax 400D: Welding Inverter
Diving + Life Support

Thermamax 400D: Welding Inverter

Availability: ,

One of the best alternatives for subsea tooling, the Thermamax 400D Welding Inverter is an efficient welding inverter with input power voltage AC 380V. The frequency of the device is 50/60 Hz and the rated input current is 15.40 in ampere.


VRD (Voltage Reduction Device) reduces open circuit voltage when not welding.

Bright digital amp meter

Compact durable case

Stable, reliable welding current

Variable arc control


Input Power: 380 AC 3Ph 50/60Hz

Rated Input Current: 15.4Amp

Open Circuit Voltage: 67V

Output Current: 40-400Amp

Duty Cycle: 60%


Subsea welding applications

Product Enquiry

Case Studies