It is used on 2100 HP diesel electric locomotives, equipped with storage batteries of 144 Vdc rated voltage. It adjusts the winding current of the auxiliary generator to set the output voltage of 170 Vdc.

RAT-18M

Minimum supply voltage: 100Vdc Maximum supply voltage: 180Vdc Long time output current: 15A Rated value of regulated voltage: 170Vdc Generator voltage to rated voltage adjustment error: ±1% Maximum regulated voltage: 175Vdc Minimum regulated voltage: 165Vdc The device has output short-circuits protection. Dimensions: 250x185x61mm Net weight: 1,55kg±10% Protection degree: IP20 Operating temperature: -25°C...+70°C