The devices of the intrinsically safe industrial telephony PTI are intended for building the telephone connection in industrial plants (coking, petrochemical, spirit, and other) characterized by the high degree of explosion hazard (II explosion group, categories 1, 2, and 3) as well as the high levels of noise and extensive dustiness, and other non-typical local conditions for telephone sets installation.

With all types of telephone exchanges

Capacity

Buffer - 48 or 60V DC