Actuating electric single-turn actuating mechanism of three-phase version ???

Executive mechanisms ??? are designed to move regulating bodies in systems of automatic regulation of technological processes in accordance with command signals of automatic regulating and controlling devices. Electrical power supply of mechanisms is carried out by three-phase alternating current voltage of 380 V with frequency of 50 Hz.
The working position of the mechanisms in space is any.
Mechanisms are recoverable, repairable, single-function products.
Average MTBF of the mechanisms is not less than 80000 h.
Average service life of the mechanisms is not less than 15 years.
Mechanisms are repairable
The value of the permissible noise level created by the mechanisms shall not exceed 80 dBA.