KTH Series Mining Intrinsic-Safety Telephone

1) Application: this series telephone can be used in coal mine full of methane, coal-dust and other explosive gas mixture as the communication tool in mining interface, digging interface, loading place, transport tunnel, transformer station, water pump house and so on, combined with mine telephone of mine coal to form manufacture dispatching and administration communication network2) The explosion-proof type is intrinsic-safety and the enclosure is made of aluminum alloy3) Model: KTH-A, KTH-J4) KTH-A is the key stocking type that with metal keyboard and KTH-J is the getting type that has no metal keyboard5) Rated feed-electricity voltage: DC 24V; rated feed-electricity current: ≤20Ma; ring sound: ≥80dB

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