The 653csvv-SE welding power source from ESAB Welding & Cutting Products (www.esabna.com) is designed for welding in harsh coastal environments. Its electronic control circuitry is enclosed, and all power components, connectors, terminals and support structures are equipped with a clear protective coating. This multiprocess, three-phase power source offers a rated DC output of 650A at 100 percent duty cycle or 750A at 60 percent duty cycle at 44 VDC. Open circuit voltage is 54V constant voltage or 59V constant voltage.