This voltage regulator automatically corrects brownouts and over-voltages. It offers quick response for instant recovering. The front panel displays the relative input voltage level and alerts you for unstable voltage conditions.

• Wide input voltage range.
• Short-circuit and overload protections.
• Selectable LED analog meter and display.
• Selectable delay time: 3-7 seconds or 3-7 minutes.
• Built-in transformer (relay type).
• Input phase: single.
• Input voltage: AC 150-250V, AC 50-130V.
• Input frequency: 50/60Hz.
• Output voltage: 220+/- 3%, 110+/- 10%.
• Output capacity: 4,000W.
• Low voltage: 184V+/- 4V.
• Over voltage: AC 246V+/- 4V.
• Efficiency: >95% (AC-AC).
• Noise level: ≤50dB.
• Temperature: -5 to 40°C.
• Humidity: 20-90%.