AtlasIED FRD Series Flush Rear Door for Equipment Racks, 14-44RU Options Available

The AtlasIED FRD Series flush rear doors are purpose-built for streamlined rack integration and secure access. Designed for simplified installation, each model allows left- or right-hinge mounting with spring-loaded locking pins—eliminating traditional nut-and-bolt hardware. Whether you're retrofitting a rack or starting fresh, FRD doors make rear access secure and convenient without disassembling your rack setup.

These doors are constructed from 18-gauge CRS and include keyed locks for added security. The FRD44 model also offers built-in passive ventilation, providing 24.6 in² of airflow split between top and bottom louvers.

Key Features

• Quick Mount Design: No nuts/bolts needed—installs over loaded racks
• Secure Hinged Access: Left- or right-side installation with lock and key
• Rugged Construction: 18-gauge cold rolled steel (CRS) for long-term durability
• Ventilation (FRD44): Includes 24.6 in² passive airflow cutouts
• Safety Rated: UL1678 listed

Technical Specifications

• FRD14: 24.5 x 20.19 x 0.53 inches (622 x 513 x 13 mm)
• FRD21: 36.75 x 20.19 x 0.53 inches (934 x 513 x 13 mm)
• FRD24: 42.0 x 20.19 x 0.53 inches (1067 x 513 x 13 mm)
• FRD35: 61.25 x 20.19 x 0.53 inches (1556 x 513 x 13 mm)
• FRD40: 70.0 x 20.19 x 0.53 inches (1778 x 513 x 13 mm)
• FRD44: 76.89 x 20.19 x 0.53 inches (1953 x 513 x 13 mm), with 24.6 in² ventilation

Available Variations

• FRD14: 14RU flush rear door, solid construction
• FRD21: 21RU flush rear door, solid construction
• FRD24: 24RU flush rear door, solid construction
• FRD35: 35RU flush rear door, solid construction
• FRD40: 40RU flush rear door, solid construction
• FRD44: 44RU flush rear door with top/bottom ventilation