Middle Atlantic ERKRD21 Rack Rear Door 21-space

Product Description

The MIDDLE ATLANTIC - U.S. - LEGRAND ERKRD21 is a 21-space rear door designed for use with compatible rack enclosures. It provides rear access control and physical security for rackmounted equipment installed in data, AV, or low-voltage systems infrastructure. The ERKRD21 is sized to fit a 21-space rack opening, giving installers a clean, finished rear closure on supported enclosure models. This component is typically installed by low-voltage technicians, AV integrators, or IT infrastructure professionals during rack builds or equipment room fit-outs.

The ERKRD21 is suited for rackmount installations where rear door access or cable management closure is required. It is appropriate for commercial and residential structured wiring environments, equipment rooms, and server or AV rack enclosures requiring a rear panel solution. Installers working on rack builds that specify a 21-space rear door will find this part fits within the standard ERK rack door lineup from MIDDLE ATLANTIC - U.S. - LEGRAND.

Key Features

• 21-space rear door for compatible ERK series rack enclosures
• Provides rear access control and physical closure for installed equipment
• Sold individually as a single unit replacement or addition
• Designed for professional low-voltage and AV rack installations

Compatibility

Designed as an OEM-style replacement or accessory rear door for 21-space rack enclosures in the ERK series product line from MIDDLE ATLANTIC - U.S. - LEGRAND.

Installation Notes

Installation is typically performed by low-voltage technicians or AV integrators during rack enclosure assembly or retrofit. Power down all active equipment in the rack before fitting or replacing rear door components to avoid accidental contact with live terminations. Verify enclosure model compatibility before installation to ensure proper hinge and latch alignment. Follow the enclosure manufacturer's hardware guidance for door attachment.