KTH18 Intrinsically safe automatic telephone brief introduction
KTH18 Intrinsically safe automatic telephone is used in coal mine or other high temperature, high humidity, heavy pollution and poor working environments KTA17 telephone coupler supporting the use of an automatic telephone.
KTH18 Intrinsically safe automatic telephone technical parameter
Maximum input DC voltage : ≤60V
Maximum input DC current : ≤34mA
Ringing maximum input voltage : ≤ 60V ,frequency(25±3)Hz
Maximum input Ring Current : ≤38mA
Ringer loudness : ≥90dB(A)(pick KTA17 safety couplers and 10 kilometers mine simulation subscriber line, 1 meter away from the phone test)
Maximum communication distance : 10km
Associated equipment : KTA17-type safety coupler
Dial : P / T compatible
Structured way : Hanging
Supply voltage : 44V-60V
Dimension : 357*190*127mm
Weight : 3.5KG
KTH18 Intrinsically safe automatic telephone feature
1 phone shell using anti-static material, waterproof, dustproof, anti-corrosion, protection grade IP65, suitable for extremely harsh environments.
2 wall mounted, using a newly developed hook switch mechanism, no movable parts.
3 keyboard is fully sealed with a luminous touch of a button, a call ringing sound and light show, and an emergency call, hang up and redial key.
4 Includes a call from the gain adjustment switch, according to the distance between the phone and scheduling switchboard, then adjust the gain by sending for long distance calls in the coal mine, line insulation bad situation.
The phone is wall-mounted, portable, modern design, the shell is anti-static material, waterproof, dustproof, anti-corrosion, protection grade IP65, suitable for extremely harsh environments, the keyboard is fully sealed with a luminous touch of a button, ringing call sound and light show, and an emergency call.
KTH18 Intrinsically safe automatic telephone photo
Because of the production batch, the specific model are different, the above pictures are only for reference , you can contact our sales staff for further details on the specific verification.
B/L of the History Trading
