Explosion-proof telephone set TASH1-16A

Explosion-proof telephone apparatus TASH1-16A (loudspeaker with dialer) is designed for intrinsically safe telephone communication and loudspeaker notification. The TASH1-16A is also designed to work together with explosion-proof loudspeakers with the help of an external amplifier UB1, providing 25 W power. The loudness of call, emergency and notification signals of TASH1-16A devices is 105 dB at a distance of 0.5 m from the loudspeaker. Explosion protection marking:1Ex ib IIB T5 Gb. Type of explosion protection - intrinsically safe electrical circuit ib.
The telephone set fulfils the following functions: 1) Telephone conversation. 2) Dialing the subscriber's number on the PBX line using an electronic dialler. 3) Calling the dispatcher (by pressing the D button). 4) Receiving a call signal from the dispatcher or from the PBX line. 5) Emergency call to the dispatcher (by pressing button A). 6) Loud-speaking notification of subscribers. 7) Listening to industrial noises.