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Application
The DBL electrical bell is used to get the signals from pulling device, dotting device or the control button and begin to ring as alarms or communications in the power supply circuit of 50Hz, voltage 36V, 127V in the coal mine down hole where is full of explosive gas mixture of methane, coal dust and so on.
Model implication
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) |
CDLB-36 |
36 |
0.9 |
150 |
150 |
8~10 |
300×185×195 |
5 |
CDLB-127 |
127 |
0.35 |
150 |
150 |