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Mining explosion-proof and intrinsically safe voice Acousto-Optic signal device

Mining explosion-proofand intrinsically safe voice Acousto-Optic signal device

The device is applicable to the signal contact of belt transport and winches transport in coal mines containing explosive gases. It facilitates production and improves economic efficiency, having great popularization prospects and values. And it contains several functions of the old type, like dotting button, explosion-proof lights, explosion-proof bell, and three- way connection.

Our Mining Integrated Protection Deviceare used worldwide in mining operations to keep people safe and mines open. Wantai's Vacuum Soft Starter, Vacuum Electromagnetic Starterare versatile, rugged, and reliable; have low power consumption; and are designed for harsh, remote locations or unsafe conditions not suitable for personnel.

The internal wiring of this product adopts plug-in terminal type, which is easy to replace and easy to maintain carrier

This product adopts frequency modulation dynamic which has strong anti-interference ability, and the transmission distance is far and clear

The product adopts the modular structure and is sealed with epoxy resin. It is damp proof, shockproof and easy to maintain

The speakers use high frequency and waterproof horn, with high audio frequency and long transmission distance

Supply voltage: 127V

Operating current: 0.2A

Intrinsically safe parameters

Operating voltage: DC9.1V

Working current: ≤150mA

Sound loudness: no less than 85dB

Optical signal: the light signal is red, and the intensity of the



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