KH-1SF Weatherproof Auto Telephone:
KH-1SF Weatherproof Auto Telephone Function
DTMF dial key telephone
Technical Parameter
Feed voltage: 24-48V
Ringing sound pressure level: ≥75dB
DC impedance: <300Ω
Color: Sea gray (RAL7035)
IP Class: IP 56
Weight: 2kg
Stuffing box cable entrance hole size: 1-Ф18mm
KH-1SF Mounting Size