M. , "Transport", 1978, -160 s. The book provides information about the domestic equipment for automatic detection of overheated boxes in PONAB-3 trains, which has become widespread on the railways. The main attention is paid to the principles of equipment construction, the interaction of its constituent parts, the description of the operation of functional devices of distillation and station equipment, the design execution of blocks and nodes. The work of unified logical elements and nodes based on these elements is considered. The book provides brief information about the organization of the current content of rolling stock in operating conditions. The book is intended for electrical mechanics and railway engineering workers, associated with the operation of devices for automatic detection of overheated boxes , and can also be used by students of technical schools and road technical schools when studying the work of equipment PONAB-3 .