Functional Description
Voltage is applied to feed 24 ~ 48V.
The phone is a dual audio touch-tone telephone number issued.
Wall-mounted, installed in a place where explosion-proof requirements.

Technical parameters
User feedback voltage: 24V ~ 48V
Environmental Noise: ≤ 75dB
Handset is ringing degree: ≥ 85dB
Telephone DC resistance: <300Ω
Color: blue (RAL 250 50 40)
Weight: 1.6kg
Protection class: IP44
Explosion-proof grade: ExibIICT6