UTI system

Intrinsically Safe Telephony Devices UTI


Application
The UTI devices can be used for providing telephone communication in mining plants characterized by the hazard of explosion group I, categories M1 and M2 (methane and coal dust explosion) and high noise level, large dustiness and other non-typical local conditions for telephone set installation.

Cooperation
With all types of telephone exchanges

Capacity
  • any, in modules of 16 NN
  • per one rack - max. 224 NN
  • maximum - unlimited

Power supply
Buffer - 48 or 60V DC

Station equipment
  • SSI-UTI rack - equipped with intrinsically-safe separation systems ZSD or CPI 

Underground equipment
  • Intrinsically safe mining telephones TIG and TIG-S (S - with optical signaling device)
  • Programmable signalling device - telephone PST