The ALLEN BRADLEY 150-C361NBD is a solid-state soft starter and smart motor controller (SMC-3) with a 361 AMP capacity. It features an open enclosure design, operates at 200-460 VAC input line voltage for 3-phase systems, and supports 50/60 Hz frequency. The control voltage ranges from 100-240 VAC. This unit comes with Radwell's 2-year warranty (factory warranty not applicable).