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The Struthers-Dunn FC-400-1 relay is an industrial two-pole control relay that is ideally suited for a variety of industrial automation applications, including fan motor control, machine start/stop control, and solenoid valve control. The relay has a single-phase, full wave coil and is UL, CSA, and VDE rated. It features a 10A contact rating at 277VAC, a dielectric strength of 2,000VAC, and surge current capability up to 20,000A. It has a mounting mode of both plug-in and socket. The coil is protected by a molded case and is designed to provide superior protection against dust, dirt, and moisture. The traditional design has been upgraded with a solid-state module that reduces thermal cycling and increases reliability.