Emergency Intercom for the Dubai Metro
Inside train cars, flush-mounted in the body shell.
1 unit per door, 5 cars per train.
Design challenge
In preparation for Expo 2020, we were commissioned to develop an emergency intercom system for the Dubai Metro trains. This complex environmental context – including sand, industrial cleaning, extreme temperature fluctuations, and intensive public use – required high standards in terms of robustness, waterproofing, and long-term durability.
Technical solution
The intercom, intended for indoor use, was designed with a high IP protection rating:
- IP65 front protection, achieved through an internal closure with precision-dosed silicone gasket, ensuring a tight seal between the two halves of the device.
Front-facing components designed to meet the required IP rating:
- Microphone
- Button
- Speaker
- Indicator LED
Structure and materials
Challenges addressed
Testing performed
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