KTH 18 Mining Explosion Proof Intrinsically Safe telephone

Introduction

KTH 18 mining explosion-proof intrinsically safe telephone (Table type, hanging type double use )matching with interchanger is produced according to the standard Q/HX001-2007.

KTH 18  type mining telephone (hereinafter referred to as the "telephone") is used undermine harsh conditions, the shell choose antistatic properties DMC project mold plastic compression molding, strong and durable, using modern integrated circuit design, is a kind of novelty explosion-proof communication products meet the requirements of the coal mine.

Usage Condition

1)       environment temperature: -5°C~+40°C;

2)       average relative moisture: ≤95%(25°C);

3)       atmospheric pressure: 80kPa~106kPa;

4)       noise: ≤75dB;

5)       the place with explosive mixture, but without corrosion gas for insulation ;

Technical Data

1)      Ex-mark: ExibI;

2)      Dial type: P/T compatible;

3)      Structure type: hanging/Table  type;

4)      Feed voltage:44V~60V;

5)      Intrinsically safe parameters:

a)      max input DC voltage:<=60V;

b)      max input DC current:<=34mA;

c)      max input bell voltage:<=60V, frequency: (25±3)Hz;

d)     max input bell current:<=38mA;

e)      volume of bell:>=90dB;

f)       longest communication distance:10km;

g)      net weight:3.3KGS;

h)     configured device :KTA131 safe coupler;