Mine intercom bell

1. (II)
Mining explosion-proof and intrinsically safe communication audible and optical annunciator
Suitable for signal communication in coal mine inclined tunnel lifting, belt transportation, etc., and can also be used as a winch room Used as a direct telephone line at the wellhead, it integrates point signal, sound and light and carrier communication. It is an ideal replacement product for the electromagnetic bell and combined sound and light signal currently used in coal mines.
Working voltage

Communication distance

Number of dotting machines





Taiwan


2. Mine explosion-proof and intrinsically safe digital display communication audible and optical annunciator
It is suitable for use in large and small winches, belt conveyors, etc. in coal mines for signal communication. It is an updated product of the electromagnetic electric bell and combined electric bell currently used in coal mines.
Using single-chip microcomputer and modem technology, a four-core signal cable can realize the emission of audible and light signals, simplex intercom, multi-level position digital display, secondary transmission, safety light control, etc.
Working voltage

Communication distance

Number of dotting machines





Taiwan