VICTRON ENERGY REL300100000, is an AC sensors used to measure and calculate current (A), voltage (V), power (W) and energy (kWh) and all this is displayed on Color Control GX or Cerbo GX and the VRM portal. An installation will have one AC sensor per phase. The network port is connected to Color Control GX or Cerbo GX via RS485 to USB interface which is available in 1.8m or 5.0m versions.
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