Throttle-transformer of DT-1-150 type is designed for installation on railway sections equipped with autoblocking with frequency of signal current in the rail circuit of 25 or 75 Hz and electric traction on alternating current with frequency of 50 Hz. The choke-transformer is designed to pass the rated value of alternating current of 150A in electric traction through each section of the main winding. The middle winding lead is rated for 300A current.
The choke-transformer operates in the temperature range from minus 50C to plus 45C and is manufactured in climatic version U, category 1 according to GOST 15150-69. According to the method of human protection from electric shock the choke-transformer belongs to class 0 of GOST 12. 2.
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