KS/12KS/24KS-1B Marine Batteryless Telephone For Explosive Gas Atmospheres

Ambient noise:≤75dB
Ringing sound level: >85dB(A)
Power supply: DC24V -25% +30%
Color: black(RAL9005)
IP class:IP44
Weight:1.8/1.86/3.3Kg
Power:1W
Explosion-proof class: Ex ib Il B T4 Gb
Stuffing box cable entrance hole size:
KS-1B:1-Φ14mm;1-Φ25mm;
12KS-1B:1-Φ14mm;1-Φ25mm;
24KS-1B:1-Φ14mm;1-Φ38mm
Connected with safety bamie:
S-1B:AQ-3
12/24KS-1B:AQ-3B