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Utility Tunnel Emergency telephones
Utility Tunnel Emergency telephones
Utility Tunnel Emergency telephones
Utility Tunnel Emergency telephones

Utility Tunnel Emergency telephones

Emergency telephones for utility tunnel purpose made of aluminium alloy material by die casting. The  telephone waterproof is rugged and durable. Body-integral, Strong flame retardancy and low-temperature resistant. Special sealing design can ensure complete waterproof grade up to IP66. Waterproof, dustproof and moisture-resistant. The  telephone waterproof widely used in tunnel and outdoor. Most metro and high-speed rail project need install IP66 telephone for emergency communication.

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ParametersDimensionApplicationsInstruction
Model: CDU-AUX
Size: 492*302*185mm
Ambient Temperature: -40℃ to 50℃
Relative Humidity: 10% to 95%
Atmospheric Pressure: 80-110 kPa
Ambient Noise: ≤60dB
Operating Frequency: 300-3400 Hz
Sending Loudness Rating(SLR): 5- 15dB
Receiving Loudness Rating(RLR): -7-2dB
Side Tone Masking Rating(STMR): ≥7dB

This product: Utility Tunnel Emergency telephones

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