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BAL-36(127) Acousto-optic Combination Electric Bell
BAL-36(127) Mining Explosion Proof Acousto-optic Combination Electric Bell
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Application
This series of electric bell is used to display in the local area, alarm to far away and send alarming signals in the power supply circuit of 50Hz, voltage 127V in the coal mine down hole where is full of explosive gas mixture of methane, coal dust and so on.
Main technical parameters
Type |
Rated voltage (V) |
Rated current (A) |
Acoustics radius (m) |
Visual distance (m) |
Cable O.D. (Φmm) |
Outline dimension L×W×H(mm) |
Weight (kg) |
BAL-36G |
36 |
0.9 |
150 |
150 |
8~13 |
490×150×130 |
9 |
BAL-127G |
127 |
0.35 |
150 |
150 |