Cooling System EFB Elektronik 691664

The EFB Elektronik 691664 cooling system is designed for installation in the bottom or roof of all 19" wall-mounting cabinets, available in both 1-part and 2-part versions. It has a black housing and includes mounting material for fixing, a power supply and earthing. The unit operates at a rated voltage of 230 V, 50 Hz and features a single 120 mm fan with a compact 38 mm height to provide airflow management for enclosed cabinets.

Advantages

The product combines a slim profile with a standard 120 mm fan diameter, which facilitates integration into standard 19" wall-mounted cabinets. Included accessories—mounting hardware, power connection and earthing—allow direct installation without sourcing additional parts. The 230 V, 50 Hz rating matches common mains supplies in many regions.

Suitable for

• Cooling and airflow management in 19" wall-mounting cabinets (1-part and 2-part)
• Small server enclosures and network cabinets where space is limited
• Applications requiring a 120 mm fan form factor

Key specifications

• Model: EFB Elektronik 691664
• Fan diameter: 120 mm
• Product colour: Black
• Installation position: bottom or roof of 19" wall-mounting cabinets (1-part and 2-part)
• Rated voltage: 230 V, 50 Hz
• Height: 38 mm
• Mounting material, power supply and earthing: included

How to use

Mount the unit in the bottom or roof position of a compatible 19" wall-mounting cabinet using the supplied hardware. Connect the power supply to a 230 V, 50 Hz mains source and attach the earthing conductor following local electrical regulations. Ensure the fan has unobstructed airflow paths and that any filters or cabinet openings are clear before powering on.

Recommendations

For reliable operation, periodically inspect the fan and cabinet airflow openings for dust buildup and clean as needed. Verify earthing connections and compliance with local installation standards during initial setup.