Sigma II Amplifier is the ultimate servo solution for your automation needs. A single platform covers 30 w to 55 kW Basic Spec.Input Power Main Circuit13-phase (or 1-phase) 200 to 230VAC +10% to -15%, 50/60 Hz, or single-phase 100 to 115VAC +10% to -15%, 50/60 HzControl Circuit1Single-phase 200 to 230VAC (or 100 to 115VAC) +10% to -15%, 50/60 HzControl Mode3-phase, full-wave rectification IGBT ...