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 multi-process, three-phase power source offers a rated DC output of 650 amps at 100 percent duty cycle or 750 amps at 60 percent duty cycle at 44Vdc. Open circuit voltage is 54V constant voltage or 59V constant voltage.