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Contact: Lorri Liu
Company: Huainan Wantai Electric Co., Ltd
Pingwei Industrial Park, Panji District, Huainan City, Anhui, China
Huainan 232089
Phone: 86-554-4333789
Fax: 86-554-4333789
E-Mail: Send Inquiry
Date/Time:  4/18/19 7:59 GMT

Mining intrinsically safe PA phone

Mining intrinsically safe PA phone
The device is a kind of mining intrinsically safe broadcast communication, signal
communication and alarm device. It is suitable for the environment where the coal
gas and coal dust are explosive and dangerous in the coal mine. The telephone can
be self-expanded as communication and dotting signal liaison system, and can also
be matched with other electric control devices, locking the equipment and ensuring
the safety of the personnel and the equipment.
Wantai is specialized in producing combined monitoring system and Explosion Proof
Control Box, Vacuum Electromagnetic Starter, etc. Our products are very popular,
if you are interested in our products, please contact us as soon as possible.
The product adopts fast-plug connector, simple and convenient wiring to reduce the
loss bursting point, easy to maintain
The floating battery pack is built-in, thus the communication is ffected when
external power supply is interrupted temporarily
The digital voice communication technology is adopted to realize automatic gain
control, so as to ensure that the calls are clear and undistorted
The product adopts the modular structure and is sealed with epoxy resin. It is
damp proof, shockproof and easy to maintain stop lock output control signal With
It can be used in conjunction with our company’s KHP144-K mine belt conveyor
protection electronic control device to realize fault alarm along the line
Main technical parameters
Intrinsically safe parameters
Power supply: Ui: 18.5V, Li: 700mA
Battery powered: Uo: 9.8V, Lo: 500mA
Working voltage: 9.6V
Mining intrinsically safe PA phone
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SOURCE: Import-Export Bulletin Board (
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