Freestanding rack Rittal-Werk DK 7507.220 21U steel 48.3 cm depth

The Freestanding rack Rittal-Werk DK 7507.220 21U steel 48.3 cm depth is a standalone 19" cabinet frame designed to accommodate network and server equipment in office, server room or technical facility environments. Constructed from steel with a 48.3 cm usable depth and a 21U mounting height, the rack provides a stable structure for mounting rails, shelves and accessories, enabling organized cable routing and secure installation of IT components while optimizing vertical space.

Advantages

The steel construction ensures structural stability and long service life under continuous equipment load. The 21U height and standardized 19" mounting format make this rack compatible with a wide range of racks rails, shelves, patch panels and other accessories. A 48.3 cm depth permits installation of most standard rack-mounted servers, switches and power distribution units while leaving room for cable management. The freestanding design allows flexible placement without the need for wall mounting and supports straightforward access for maintenance and reconfiguration.

Suitable for

• Small to medium office server rooms
• Network closets and telecom cabinets
• Equipment racks for switches, routers and patch panels
• Hosting compact servers and UPS units

Key specifications

• Mounting height: 21U
• Construction material: steel
• Usable depth: 48.3 cm
• Mounting standard: 19-inch
• Design: freestanding cabinet frame

How to use

Place the freestanding rack on a level, stable surface and ensure adequate floor load capacity. Install compatible 19" mounting rails and any required shelves or accessory brackets according to the accessory instructions. Mount equipment from the bottom upwards to maintain balance, securing each device with appropriate rack screws and cage nuts. Route power and network cables using the available openings and attach cable management accessories to keep cables organized and to maintain airflow. Verify clearances for ventilation and service access before powering equipment.

Usage recommendations

For reliable operation, balance the load vertically and reserve space for airflow and cable bundles. Use compatible 19" accessories and follow manufacturer instructions for mounting and earthing. Periodically inspect fixings and cable routing to prevent strain on connectors and to maintain accessibility.