Rittal DET-AC III PRO38933 Fire Alarm and Extinguisher System - 7338121

The Rittal DET-AC III master system (model PRO38933, part number 7338121) is a compact fire detection and active extinguishing unit designed for security safes and closed server racks. It protects volumes up to 2.8 m³ using FK 5-1-12 gas. Procure.ae supplies this environmental monitoring solution with support across the UAE.

This compact fire alarm system detects fires via an optical smoke sensor with approximately 3.5%/m light obscuration sensitivity and monitors air flow within ±10% of total airflow. It activates an extinguisher containing 1.8 l of FK 5-1-12 gas from a 2 l Aluminium tank using a propellant cartridge and integral electrical unit. The system provides uninterruptible operation for approximately 4 hours via battery backup, ensuring continuous protection even during power fluctuations.

The unit fits in standard enclosures with dimensions of 482.6 mm width, 44 mm height, and 660 mm depth, manufactured from sheet steel in RAL 7035 and RAL 9005 colors. It connects via four x/ three x relay outputs at terminals or RJ12 jacks for integration with building management systems. Operating between 10 °C and 40 °C at 96% non-condensing humidity, it ensures reliable environmental monitoring for IT infrastructure in UAE data centers and server rooms.