Middle Atlantic Smoked Tempered Glass Front Door Fits 28 Space BRK Obrk and Mbrk Series - RK-GD28

Middle Atlantic RK-GD28 Smoked Tempered Glass Front Door for 28U BRK and MBRK Racks

The Middle Atlantic RK-GD28 is a smoked tempered glass front door sized for 28-space BRK, OBRK, and MBRK series rack enclosures. At 48.93 inches tall and 18.69 inches wide, it replaces or upgrades the standard solid-panel door when installers need visible equipment status without opening the cabinet — a practical requirement in NOC environments, security head-end rooms, and AV equipment closets where LED indicators and display panels need to be readable at a glance.

Overview

Rack front doors are one of those components that get specified late and regretted early when the wrong one ships. The RK-GD28 is purpose-built to fit the Middle Atlantic BRK and MBRK rack families at the 28U height — a common rack depth in enterprise security and AV installations. The smoked tempered glass strikes a balance: it diffuses enough light to reduce visual clutter in client-facing spaces while still allowing status LEDs and panel labels to be visible without unlatching. Tempered glass construction means it handles incidental contact better than acrylic alternatives and won't yellow or craze over time the way polycarbonate can.

Key Features

• 28U / 28-Space Fit: Dimensioned at 48.93 in (124.3 cm) tall and 18.69 in (47.5 cm) wide to match the BRK, OBRK, and MBRK series at 28 rack units. Buying a door sized for the wrong rack height is a common ordering mistake — verify your existing enclosure is one of these series before ordering. If you are running a different rack enclosure, confirm the frame dimensions match before purchasing.
• Smoked Tempered Glass Material: The tinted glass face reduces visual noise in finished machine rooms and client-visible equipment areas while maintaining sightlines to status indicators. Tempered glass is significantly more impact-resistant than standard glass and does not shatter into large shards if broken — a safety consideration in occupied spaces.
• Shallow Door Profile at 2.3 in (5.8 cm): The door adds only 2.3 inches of depth to the front of the enclosure. In tight equipment rooms where front-clearance is measured carefully — especially where swing-out space is limited — this shallow profile means the door clears most aisle-width minimums without repositioning the rack.
• 17 lb Shipping Weight: At 17 lbs (7.7 kg) shipped, this is a two-person lift if you are installing on a raised rack or working overhead. Budget accordingly during installation planning; a glass panel of this size warrants careful handling to avoid edge chipping during mounting.
• Series-Specific Compatibility: Designed exclusively for the BRK, OBRK, and MBRK Middle Atlantic rack series. This is not a universal-fit door — Middle Atlantic engineers their doors to match the exact frame tolerances of each enclosure family. Using this door on an incompatible frame will result in misalignment or mounting failures.
• Drop-In Replacement or Upgrade Path: Whether you are replacing a damaged door on an existing installation or upgrading a solid-panel BRK enclosure to a glass-front configuration for a refresh, the RK-GD28 installs without modifying the rack frame. This makes it viable as a field upgrade on deployed enclosures, not just new-build installations.

Integration and Compatibility

The RK-GD28 (often searched as RK GD28) is compatible with Middle Atlantic BRK, OBRK, and MBRK series enclosures at the 28-space configuration. If your installation uses a different rack unit count — 12U, 16U, 21U, 36U, or 45U, for example — Middle Atlantic produces matching glass door variants for those heights; verify the rack unit count of your specific enclosure before ordering. This door is not listed as compatible with the WRK, ERK, or other Middle Atlantic series. When planning a network equipment or security head-end room where multiple enclosures share a uniform glass-front aesthetic, confirm all enclosures in the row are the same series so door trim lines and handle positions align visually.

For integrators building out complete rack systems, pairing this door with appropriate rack enclosures and rack power distribution from the same BRK/MBRK family ensures consistent fitment across the installation. Middle Atlantic's product line is structured so that doors, side panels, and accessories are designed as a matched set within each enclosure series — mixing series components is not supported.

Frequently Asked Questions

Q: Which rack enclosure series does the RK-GD28 fit?

A: The RK-GD28 is designed to fit Middle Atlantic BRK, OBRK, and MBRK series rack enclosures at the 28-space (28U) height. It is not listed as compatible with other Middle Atlantic series such as WRK or ERK.

Q: What are the physical dimensions of the RK-GD28?

A: The door measures 48.93 in (124.3 cm) tall, 18.69 in (47.5 cm) wide, and 2.3 in (5.8 cm) deep. Shipping weight is 17 lbs (7.7 kg).

Q: What type of glass is used in the RK-GD28?

A: The RK-GD28 uses smoked tempered glass. Tempered glass is more impact-resistant than standard glass and breaks into small, less hazardous fragments rather than large shards.

Q: Can the RK-GD28 be installed on an existing BRK rack as an upgrade?

A: Yes. The RK-GD28 is designed as a drop-in fit for the BRK, OBRK, and MBRK series frame without modifying the enclosure, making it suitable for field upgrades on already-deployed racks.

Q: Does the smoked glass allow equipment status LEDs to be seen without opening the door?

A: Yes. The smoked tint diffuses ambient light and reduces visual clutter, but LEDs and indicator lights on rack-mounted equipment remain visible through the closed door, which is the primary functional advantage of the glass-front configuration over a solid-panel door.

Eden Phillips

The RK-GD28 comes up regularly on security head-end and NOC builds where the integrator wants a finished, client-presentable rack room but still needs field technicians to read NVR status lights and switch indicators without unlatching doors every time. The 48.93-inch height and 18.69-inch width are specific to the 28U BRK/MBRK frame — this is not a dimension you want to eyeball; pull the rack model number before ordering.

Technical Highlights:

• 28U Exact Fit (48.93 in H x 18.69 in W): Dimensioned to the BRK/MBRK frame tolerances — not a generic glass panel. The 2.3-inch door depth keeps front-of-rack clearance tight, which matters in equipment rooms where you are working to BICSI or TIA-942 aisle minimums.
• Smoked Tempered Glass: Tempered construction handles incidental contact and tool bumps in active machine rooms better than acrylic or polycarbonate alternatives, and the smoked tint reads as finished in client spaces without blacking out the equipment view entirely.
• 17 lb Shipping Weight: The glass panel ships at 17 lbs — not heavy by rack standards, but glass-specific handling applies. Edge chipping during mounting is the most common damage vector; use the provided mounting hardware and keep the panel vertical during transport within the room.

Deployment Considerations:

• Compatibility is strictly limited to BRK, OBRK, and MBRK series at 28U — confirm your enclosure model before ordering. Middle Atlantic produces glass doors for other U-heights in the same series; ordering the wrong height is a common and avoidable mistake on multi-rack installations.
• The smoked glass provides visual access to LEDs but will not provide meaningful security against physical access — if rack physical security is a compliance requirement for your deployment, pair this with a locking mechanism appropriate to your enclosure series.

Best fit for security integration head-ends, NOC buildouts, and AV equipment rooms where the rack is client-visible and technicians need LED-readable status without daily door cycling. The RK-GD28 makes the most sense when the aesthetic requirement and the operational requirement point in the same direction.