Fuji Electric 4SH431A600Q300 is a SH-4 contractor relay from Fuji Electric, identified by the model 4SH431A600Q300. It is a contractor relay used to switch electrical control circuits within industrial automation and control-panel applications. The designation 4SH431A600Q300 places it in Fuji's SH-4 family, pairing the 4SH431 series with the A600 Q300 configuration.
