wall telephone set

1.KTH17B mine explosion proof telephone 2.have emergency calling function 3.frequency 300-3400HZ,65db Specifications

1.KTH17B mine explosion proof telephone 2.have emergency calling function 3.frequency 300-3400HZ,65db 4.MA , EXSI CERT.

1. The safe type of KTH17Btype mine nature automation telephone set is that the standard produces according to Q/HX001-2007 it’s outer covering is selected and used hinder burn antistatic ABS engineering plastics producing plastic articles by injection moulding molding , sturdy and durable , circuital adopt modern integrated-rization wiring design but able explosion protection new and original communication product. Be called a "telephone set" for short hereinafter.

2. The telephone set assorts  by the fact that HDK type telephone coupler manages programme-controlled telephone switching boards with the switchboard, is composed of safe explosion protection of nature communication system.

3. The telephone set uses mainly in the environment having the explosive property gas only there be no the gas and steam destroying metal and the insulation corrosivity enough.

 

Function and characteristic:

1, The telephone set is that two VF is to be concerned about dyadic machine with calling , assembling a characteristic tightly. Be concerned about dyadic machine external form dimension: 280 * 220 * 90 .

2, Communication is MHYV1 * from when ≤10 kms , lines cable type specification 2 * 7/0.37.

3, Weight 1.7 kgs

4, Outer covering select and use hinder burn antistatic ABS engineering plastics annotating a type , firm be able to bear pressure, the adopt acidproof rubber to annotate a type but able sealing washer , water-proof dust prevention function are more advantageous.

 

Main technology parameter

1,Our safety is parametric

Parameter	Project
Maximal entering voltage	DC60V
The maximum imports electric current	20mA
Maximal bell stream voltage	AC56V
Maximal bell stream electric current	10mA

2, pressure:<80-106Kpa

3.temperature:-5 to 40

wall telephone set