The new production of electro parts for Infantry fighting vehicles BMP-1 and BMP – 2. Fully compatibile with old electrical parts intended to heating control of TNPO-170, TNPO-170A or others periscopes up to current load of 15 A ( possibility of increasing up to 25 A ). Ensuring of temperature control is performed in cooperation with built-in thermistors in periscopes and with control box RTS-27-1A.
Casing of products is constructed of solid aluminium alloy which, in addition to protective function, also work as apassive cooler. Despite its massive construction, the product is very light .