• This device is a versatile protection relay used in various switchgear and network types.
• It measures voltage and current, includes fault location features, and supports multiple communication protocols.
• The specific model number visible on the unit is REF543KM129AAAA.
• Auxiliary voltage (Uaux) is 110-240 Vac or 110-220 Vdc, with a frequency of 50/60 Hz.
• The device is equipped with 25 binary inputs and 18 output relays.

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