Three-phase biased DIFFERENTIAL RELAY Rated frequency 50Hz Three-phase biased differential relays for protection of power-generators and large high-voltage motors Assembly boxes SPAD-ZK 1 or SPAD-ZK 2 Assembly boxes not included in price Auxiliary supply voltage 40я??275 V d.c
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Parts & Services >> Medium Voltage Products and Systems >> Distribution Automation >> Transformer Protection >> SPAD J6