KNEX5 ex telephone
ex telephone KNEX5 work as atex equipment basis on standard atex and iecex. The atex explosion proof telephone is intrinsically safe and atex zone 1 and zone 2 also zone 21. KNTECH design and manufacture the telephone with IECEX tertification and explosion proof classification also export to 50 countries. Every explosion proof telephone have atex explosion protection ex d iib with exmark.
Types of protection: II 2G Ex db ib IIB T4 Gb -40℃ to 60℃
DTMF dialling MTBF:100000hours
With Alarm Sounder
Telephone line power supply+ AC220V Power supply
Sound level of ringing:over 120dB(A).
speed dialling keypad:Super strong function is available for dialling 10 groups of numbers stored in the memory
Housing: construction robust aluminium alley die-cast body
Unit size: 290*185*118mm
Ambient temperature: -40℃ to 70℃. Relative humidity:10%~95%
Atmospheric pressure: 86~106Kpa Circumstance noise:less than 60dB(A)
Degree of protection: IP66 according to EN60529
Impact protection: IK 09 according to EN50102