Smart-7 is a single-phase voltage stabilizer for an apartment or house with a maximum power of 7 kW. It belongs to the Volter Smart series and is designed to provide stabilized voltage to all types of electrical consumers when powered from a network with unsatisfactory voltage quality. It can be used in unheated rooms or outdoors in a place protected from precipitation. Features: - Low noise - Increased noise immunity - High speed - Possibility of operation at sub-zero temperatures and high humidity - Increased fire safety - Maximum number of protections - Convenient connection - Do not distort the sine wave - Resistance to mechanical stress Characteristics Type - inverter Phase - single phase Efficiency, % - 98 Input range - 110-330 V Speed, ms - 1 Noise level, dB - 34-40, depending on the load Maximum current, A - 32 Maximum power, kW - 7 Cooling - natural convection + forced Mounting method - wall-mounted Output voltage - 220 V Max. Power at Umin, kW - 3.5 kW Stabilization accuracy - ±0.5% Number of stages - stepless Stabilization step - - Switching off at Umin - 90 V Switching off at Umax - 330 V Switching off in transit - 260±5 V Switch-on delay - 4.5-7.5 s Dimensions (H x W x D), mm - 555 x 360 x 60 Weight, kg - 9.8 Protection class - IP20 Humidity, no more than -40…80% Color - silver metallic Warranty - 120 months Temperature range - Operating range from minus 25°С to plus 40°С indoors