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m.chinacoalintl.com
we provide service of enterprise's customs declaration, inspection.
telephone,safe telephone,explosion proof telephone 1. KTH 17B intrinsically safe automatic telephone is not only used underground, tunnel, metal mining, chemical industrial s, etc ,but also in hard pollution places
2. The material of cover is with features of waterproof, dust proof, anti corrosion and the protection degree IP54;
3. Installation ,desk-top ,hanging type optional, by adopting the newest electronic switch structure, all the components is fixed strongly.
4. The phone keypad is sealed and bright, ringing sound, visual and also has emergency call, hang up call, redial.
5. With communication distance adjustment switch, it is possible to adjust the switch to improve the communication effects according to the distance between the telephone and dispatch master station for the situation of long communication distance, bad insulation of wire.
Main Parameter
KTH17B
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Max input DC voltage
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DC52V
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Max input circuit Current
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DC 65mA
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Feed voltage
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DC48V
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Bell ringing voltage
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DC24-48V
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Net Weight (kg)
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1.65kg
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Size (mm)
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285mm×175mm×135mm
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Communication Distance
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≤5km,model: MHYV1*2*7/0.37
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Belling Grade
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≥80dB
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Material
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ABS
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Protection Level
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IP54
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Installation
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Wall Mounting/ desk top
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Link coupler
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KTA16B safe coupler, connect to 10 phones
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Dial model
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DTMF
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Function
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Explosion proof /waterproof/ anti-dust /anti-corrosion
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