KOON TECHNOLOGY fireproof telephones

Sound level: 60, 70 dB

... ex-proof telephone Types of protection: II 2G Ex db ib IIB T5 Gb -20℃ to 55℃ DTMF dialling MTBF:100000hours Built-in 8ohm 0.5W Telephone line power supply DC 24V-48V Sound level of ringing:over 70dB(A) at 50cm distance. ...

Sound level: 90, 60 dB

... 50cm distance
Explosion-proof telephone KNEx7 was ATEX certified, specially developed for flammable and explosive place such as coal, commonly used in factories and mines of H a level 2 places. Explosion-proof telephone ...

Sound level: 60, 100 dB

... KNEx6 Explosion proof telephones Explosion proof telephones work as atex equipment made of GRP by die casting. The atex explosion proof telephone is rugged and durable. KNTECH design and manufacture ...

Sound level: 110, 100 dB

... -20℃ to 55℃ VoIP SIP2.0 telephone Call Control Signaling:VOIP SIP Info(DTMF), RFC 2833(DTMF) With built-in amplifier and with external speaker 15-30W With flash light Sound level of ringing:over 100dB Explosion proof telephones ...

... during telephone conversation, at this time the siren stop sounding but still lighting and flashing. When finish call, press blue button again, the siren will continue sounding untill replacement. Fire Alarm Feature Power supply: ...

Sound level: 120 dB

... Flameproof telephone KNZD-46 The flameproof telephone uses metal materials to make metal appearance, and has the function of fire rapid alarm.Flameproof telephones have the characteristics of fireproof ...