KOSUR - 220 - 0002 - NF4 - control system for brushless exciter of synchronous generators, twochannel, with automatic field regulator regulator and independent regulator of excitation current in each channel, power supply in accordance with self-excitation diagram, in one-side access cubicle, with one matching transformer, no additional power supply, power supply for control circuits is 220 V, climatic version is NF,category of location is 4.