Elevator phone one button Handsfree Emergency intercoms Intercom kntech Knzd-11 Metal emergency telephone

KNZD-11 handsfree emergency telephone features:

1. Stainless steel 304 body with SUS handsfree button, flush mount type. (Cold-roll Steel option.)
2. Waterproof rating IP55 dust proof.
3. Hands-free, double loudspeaker.
4. Weather resistant to IP55 standard, service temperature range from -30 degree to +75 degree.
5. Lightening protection to ITU-T recommendation K.21.
6. Support hotline calling.
7.Phone integrity wiring to enable the telephone system to check if the telephone unit is still operational. (If PABX have this available we can provide this function).
8. Optional 7 minute time out to release the line if the handset is left off hook. This function upon buyer's requirement).
10. The housing covered with a layer of reflective label for easy identification at night.Optional
11. Application: Tunnel, metro, railway, LRT, speedway, marine, ship,offshore, mine, power plant, bridge et

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