MSA ITS-1004, Operating Manual

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43 Version 10.6.3
Operating Manual
Analog telephone unit explosion-proof
KNEx1 (Ex)
Description:
Telephone communication with VAS (explosion-proof).
Features:

For explosion hazardous areas

Volume control of incoming call and current conversation

LCD (three-line) and functional keys (5 pcs.)

Telephone book for 50 numbers

Integrated function of noise suppression

Reinforced armored cable

LCD displays call icon
Technical specifications:

Casing material: plastic (reinforced polyester)

Keyboard material: stainless steel

Power supply:
unit – from telephone line
backlight – 24 V DC

Max. power consumption: 4 W

Speakerphone signal: 95 dB

Explosion proof rating:
Ex e ib mb IIC T6 Gb
Ex tb IIIC Т80°C Db
(protection «e», «m», «i», «t»)

Operating temperature: −25 °С…+60 °С

IP rating: IP66

Weight: 5.8 kg
Mounting type:

Hinged
Connection diagram: See Figures B.5 and B.6
Analog telephone unit
explosion-proof
KNEx1 (Ex) Koontech Stationary, explosion-proof, analog, hinged mounting