Easily replace a damaged surge protection module with this replacement module from Hughes Autoformers. This replacement surge protection module is only for the PWD50EPOW, PWD50EPOHW and PWD50W units. It is designed for use only with the 50 Amp ‘generation 2’ WiFi units and not compatible with Gen 1 units.
Instructions
- Unplug the unit – make sure unit is fully disconnected from power prior to installation.
- Unscrew 6 Phillips screws on the back of the unit (*7 screws for the EPO versions).
- Unscrew the top cable gland nut and move it up the cord.
- The surge module slides in/out of the slot. Unclip the one red/black wire, and loosen the screws holding the fork wire connectors to the wire leads.
- Unplug the old surge module from the unit.
- Connect the new surge protection module and wires. “G” is ground and green color, “N” is neutral and white color, “L
- Replace all the screws and re-tighten the cable gland nuts.
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Off-Grid Power Systems
are built around more than selling individual Victron parts. This MultiPlus-II is part of a curated mobile power ecosystem designed to help customers move from uncertainty to system confidence.
With MobileMustHave, customers get access to practical product selection, Victron-compatible system thinking, curated bundle components, education, documentation, and real support from a team that understands RV, van, overland, marine, and mobile off-grid use cases.
That matters because the right inverter/charger is only one part of a successful build. The real value comes from knowing how the inverter, batteries, solar charging, cabling, monitoring, and system protection are intended to work together.