KH-1SG Auto Telephone:
KH-1SG Auto Telephone Function
DTMF dial key telephone
KH-1SG Auto Telephone, wall installation.
Technical Parameter
Feed voltage: 24-48V
Ringing sound pressure level: ≥75dB
DC impedance: <300Ω
Color: Black (RAL9005)
IP Class: IP 44
Weight: 1.0kg
Stuffing box cable entrance hole size: 1-Ф18mm, 1-Ф14mm
KH-1SG Mounting Size