With coal safety certificate DLEC1-24 reversing horn mining sealing…

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Mining cast-type electronic horn (hereinafter referred to as electronic horn), the functional design of this horn complies with the relevant standards of GB3836-2010. It is a special horn used in conjunction with coal mine underground transport locomotives.According to the performance requirements of different locomotives, horns with different sounds (such as forward, reverse, alarm) are selected. It has many advantages such as beautiful appearance, high sound level intensity, low noise, long transmission distance, wide operating voltage fluctuation range, durability, good explosion-proof performance, no need to distinguish the positive and negative poles of the power supply during installation, and user-friendly. It is very suitable for use in coal mines and flammable and explosive places with the risk of gas or coal dust explosion.

The use environment of mining cast-type electronic speakers:

Electronic speakers can work normally in the following environments:

Environmental temperature: -10 ℃ ～ 40 ℃

Relative humidity: ≤95%

Ambient atmospheric pressure: 86kPa～110kPa

Underground coal mines containing gas or coal dust explosion hazards

Storage temperature: -40℃～+60℃

Product parameters of mining cast-type electronic speakers:

Working voltage: (DC) 24V, 50v, 100v, 150v, 200v, 250V

Load operating current: ≤2.0A, 700mA, 350 mA, 230 mA, 175 mA, 140 mA

Intrinsically safe operating current: 88 mA, 36.7 mA, 27.5 mA, 16.5 mA, 22 mA 20 mA

Power supply voltage fluctuation range: 75% ~ 110% of nominal value

Sound level intensity: 40m away from the sound center: ≥ 70dB

Frequency: 355Hz～510Hz

Rated power: ≤35W