Rittal's EFD III DK 7338.221 is a 1U rack-mount early fire detection system with smoke extraction and dual detectors for enclosed spaces.
The EFD III DK 7338.221 is a compact 1U rack-mount early fire detection system designed for closed, non-accessible enclosures. It includes a smoke extraction system with an integral fan and two fire detectors — one for pre-alarm and one for main alarm. The system is monitored by control electronics and features CAN bus interfaces and relay outputs for integration with monitoring systems.
It operates within a temperature range of +10°C to +40°C and supports 100–240V AC power. The enclosure is made of sheet steel with RAL 7035 color and IP30 protection. It includes optical smoke detectors with different sensitivities and a plain-language display with 6 LEDs for status indication.
| Rated Operating Voltage | 100 V - 240 V, 1~, 50 Hz/60 Hz |
|---|---|
| Dimensions | Width: 482.6 mm (19"), Height: 44 mm, Depth: 490 mm |
| Temperature Range (Operation) | +10 °C...+40 °C |
| Protection Category | IP 30 |
| Weight per Pack | 15 kg |
| EAN | 4028177699328 |
| Customs Tariff Number | 85311095 |
It is a 1U rack-mount unit with dimensions 482.6 mm (19") wide, 44 mm high, and 490 mm deep.
It includes a smoke extraction system with an integral fan, two fire detectors, and a control card for monitoring.
The system operates between +10°C and +40°C.