Characteristics: • Power: 20000W • Output voltage stabilization accuracy: ±%3 • Number of automatic regulation stages: 20 • Operating range of input voltages: 140÷290 V • Operating range of output voltages: 214÷226 V • Maximum range of input voltages: 60÷310 V • Response time to emergency voltage change: up to 20 ms • Thermal protection response temperature: 105 °C • Dimensions: 315×625×358 • Weight: 53 The stabilizers provide: • maintaining the declared technical characteristics, including power, over the entire operating range of input voltage; • automatic disconnection from the network when the input phase voltage increases above 340 V; • undistorted form of the sinusoidal output voltage; • operation over the entire load range from idle to maximum load; • stabilization of the output phase voltage at 220 V±3% when the input phase voltage changes from 140 to 290 V, with a frequency of 50 Hz;• continuous measurement of the effective values of the input current, input and output voltage in each period of the network frequency and a response to their change of no more than 20 ms;• display of the input voltage and current, the degree of stabilization and output voltage on the indicator;• the ability to adjust the nominal range of the output (stabilized) voltage by the user;• display of the error code during protective shutdown;• short-circuit protection;• overcurrent protection with an improved ability to safely overload for a limited time for starting currents of electric motors;• protection against pulse overloads by current for 20 ms with shutdown for 30 seconds;• the ability to operate in transit mode in an emergency;• protection of consumers from overvoltage in the "transit" mode when the input phase voltage increases above 265 V;• shutdown of the stabilizer in case of overheating of the power transformer;• shutdown of the power keys in case of overheating at overload;• protection against incorrect connection of the stabilizer;