50159 ZX limiting impedance Vigilohm
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This accessory belongs to the Vigilohm range designed to monitor ungrounded/IT electrical networks at feeder level, in accordance to installation and products standards. The limiting impedance subassembly prevents variation of potential. Useful if there is sensitive low-power equipment placed close to the medium to low voltage transformer, such as modem power supplies. This limiting impedance is not mandatory in a IT system. Need to be connected between the transformer and the earthed neutral. This accessory is mounted on a 190mm by 380mm plate, the subassembly weight 3.5 kilograms.
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