Metro type traffic light heads with LED light-optical systems (TU 3185-007-01404314-2015)

The heads of traffic lights of "Metro" type with LED light-optical systems manufactured according to TU 3185-007-01404314-2015 (hereinafter referred to as the heads) are designed to ensure traffic safety, as well as for the clear organisation of train traffic and shunting work in the underground.
The heads are intended for operation in conditions of macroclimatic regions with moderate and cold climate (climatic execution UHL category of placement 1 according to GOST 15150-69).
Average MTBF is not less than 25 000 hours. Average service life before write-off - not less than 20 years without routine replacement.
Warranty service life - 36 months. Calculation of the warranty period starts no later than 6 months from the date of receipt (delivery) of the product to the customer.
Example of record when ordering - Single digit head "Metro" with square shield 3613-00-00 TU 3185-007-01404314-2015 (with LED light-optical system SSSC 160-1)".