The ALLEN BRADLEY 150-C201NCR is a solid state soft starter and smart motor controller (SMC-3 series) with 201 AMP capacity. Designed for 3-phase systems, it operates at 200-600 VAC input line voltage with 50/60 Hz frequency and 24 VAC/DC control voltage. This open enclosure unit comes with Radwell's 2-year warranty (factory warranty not applicable).