For optimal safety, vehicles using 230 V 50 Hz inverter/ combi/ genset power as well as power from the grid line to operate the various appliances require the installation of the WP – IG Isolation Guard. This is a fully automatic safety device that measures the electrical resistance in the AC wiring and should it detect a potential risk to safety, switches the power off immediately. The system works as follows: when the WhisperPower inverter or combi is turned on, the WP – IG Isolation Guard executes a short system test. Once the test is complete the green LED on the device will illuminate. The internal relay then allows the 230 VAC installation inside the vehicle to be operated by the inverter and / or combi inverter / charger.
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