The ABB ACS550-U1-031A-2 is a discontinued AC drive from the ACS550 series, designed for three-phase operation with 208-240 VAC input, 50/60 Hz frequency, and 30.8 A current rating. This NEMA-compliant unit delivers 7.5 kW power output and meets UL Type/NEMA 1 standards for US installations.
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