FeaturesTools for special naval dockyards applications, the maintenance of oil and gas pipelines and large metal masses where the only power supply available is a motorwelder or that cannot be connected to a standard 230 V power supply for safety reasons. These tools can be connected to a 48 V motorwelder directly or using a BE72N junction box for 72 V tools. A functional and practical system that ensures the continuous availability, electrode and grinder along with maximum safety.