Mining explosion-proof and intrinsic safety type sound and light signal device

1、 Purpose:

Signal communication for belt conveyor transportation and winch transportation in underground explosive gas environments. This device is lightweight and integrates several functions such as dot button, explosion-proof light, explosion-proof bell, and three-way wiring. This device is an ideal product for belt transportation, winch transportation, and signal communication in tunnels. It has a communication function.

2、 Performance characteristics

This product is easy to install and maintain. High audio frequency, strong anti-interference ability, long and clear transmission distance.

3、 Technical parameters

Supply voltage: AC127V;

Intrinsic safety parameters: U0: DC12V I0:300mA Internal circuit operating voltage: DC9.5V Operating current: ≤ 220mA;

Sound volume: not less than 85dB;

The signal has a simplex intercom function;

Light signal: The light signal is red, and its intensity is visible at a distance of 20m in the dark.