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Model KXT22 Mine-used Device of Communication and Signaling is of mine-used intrinsic safety type, consisted of one main machine and 0~10 extensions. It is suitable for environment with explosion danger of methane and coal dust in mine underground, also for industries of metallurgy, chemical, building, transportation, power and food. It has functions of audio broadcasting alarming, intercom amplifying and it also has interfaces to connect with dispatching exchanger and control system for belt conveyor and so on. |
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Capacity: 1 main machine, 10 extensions, 1 I.S. power supply |
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Interfaces:
1 telephone interface, 1 RS485 interface, 4 On/Off interfaces, 1 audio input interface |
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Maximum Distance between Extensions and Main Machine: 1 km(1 extension per 100 m) |
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Amplifying (Alarming) Loudness: 95 dB(A-right) |
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Main machine and Extensions are of mine-used intrinsic safety type, protection degree IP54 |
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Trunk connection can be used between the devices for extending |
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