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hiss nödtelefon fabrik

Utility Tunnel Nödtelefoner
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.

Model: CDU-AUX
Size: 492*302*185mm
Omgivningstemperatur: -40 ℃ till 50 ℃
Relativ luftfuktighet: 10% till 95%
Atmosfäriskt tryck: 80-110 kPa
Omgivningsljud: ≤60dB
Driftsfrekvens: 300-3400 Hz
Sändande Loudness Rating (SLR): 5-15dB
Receiving Loudness Rating (RLR): -7-2dB
Sida Tone Masking Rating (STMR): ≥7dB

Utility Tunnel Nödtelefoner

elevator emergency phone factory products

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Waterproof SOS Emergency Call Box was made of cold rolled steel, the strong shell provide extra security for machine wiring. The protect level is IP65, has CE, ROHS, FCC, ISO9001...

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304 stainless steel, anti damage and easy to install. Wall mounted and build in hearing aidsn. The wire was made by Teflon, oil resistance, acid resistance and alkali resistance. Automatic...

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elevator emergency phone factory latest news

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