KH-3B Explosion-Proof Auto Telephone:
China KH-3B Explosion-Proof Auto Telephone:
KH-3B Explosion-Proof Auto Telephone
Color: Black（RAL9005）
Subscriber feedback voltage：24V~48V
Ambient noise:≤75dB
Telephone ringing sound level: ≥85dB
Protection class:IP66
Ex remark: Ex eb ib mb IIC T6 Gb
Stuffing box cable entrance hole size: 2-Φ6~12mm 1-Φ4~8mm
Headset is optional
