Middle Atlantic 37SP Mrk/wrk Rear Door - MW-RD-37

Middle Atlantic MW-RD-37 37U Solid Rear Door for MRK/WRK Rack Enclosures

The Middle Atlantic MW-RD-37 is a solid rear door replacement and upgrade panel designed specifically for Middle Atlantic MRK and WRK series rack enclosures. At 37 rack units tall and 19.44 inches wide, the MW-RD-37 spans a full 65.81 inches of enclosure height — giving integrators a clean, enclosed rear face on deep equipment racks deployed in AV equipment rooms, security head-end closets, network infrastructure bays, and broadcast facilities. If you're building out or completing a Middle Atlantic rack system, this door is the purpose-built fit for the job.

Overview

Rear enclosure doors are often the last spec on a rack build, but they matter operationally: a proper rear door controls airflow paths, reduces cable snagging during service calls, and keeps equipment compartments presentable in client-facing machine rooms. The MW-RD-37 is dimensioned to mate precisely with the MRK and WRK base series enclosures — no shimming, no improvised mounting. At 1.22 inches of installed depth, it adds minimal protrusion behind the rack, which matters in tight telecom rooms and shallow wall pockets. Browse the full rack enclosure category for the matching base cabinets and complementary accessories.

Key Features

• 37U Height Coverage (65.81 in / 167.2 cm): Spans the full rear opening of a 37-space MRK or WRK enclosure. No gap at top or bottom — the door closes flush, keeping the interior protected and airflow directed front-to-back through equipment rather than escaping out the rear.
• Standard 19.44-Inch Width (49.4 cm): Matches EIA-310 rack width conventions used across the MRK/WRK series. Drops directly onto the enclosure hinge posts without modification — important when you're swapping doors on an already-populated rack and can't afford downtime.
• Minimal Added Depth — 1.22 in (3.1 cm): In equipment rooms where every inch of clearance behind a rack matters for cable management trays and wall proximity, 1.22 inches of door swing depth keeps your install within code-compliant aisle clearances. Measure your rear clearance before ordering if the rack is within 18 inches of a wall.
• MRK/WRK Series Compatibility: Engineered as a factory-matched component for Middle Atlantic's MRK (Slim 5-Series) and WRK (Slim 5-Series Vented) enclosure lines. Purpose-built fitment means no field drilling, no bracket adapters, and no warranty complications from third-party modification.
• Shipping Weight 39.6 lbs (18 kg): Indicates solid steel construction. Plan for a two-person lift during installation — particularly relevant when mounting on a fully populated rack already bolted to the floor, where you can't tip the cabinet to ease door alignment.

Integration & Compatibility

The MW-RD-37 (often searched as MW RD 37) is a dedicated rear door panel for the Middle Atlantic MRK and WRK series enclosures. It is not a universal-fit door and will not drop onto other manufacturer enclosures or Middle Atlantic series outside the MRK/WRK family. Confirm your base enclosure series before ordering. If you're planning a full enclosure build, pair this with the appropriate rack power distribution units and side panels from the same series to maintain consistent fitment and finish. For integrators sourcing multiple enclosure components, reviewing the rack mounting accessories available in the same family will save a second order.

Frequently Asked Questions

Q: What rack enclosure series is the MW-RD-37 compatible with?

A: The MW-RD-37 is designed specifically for Middle Atlantic MRK and WRK series rack enclosures. It is a purpose-built component for those two lines and is not intended for use with other Middle Atlantic series or third-party enclosures.

Q: How many rack units does the MW-RD-37 cover?

A: The MW-RD-37 covers 37 rack units (37U), with an overall installed height of 65.81 inches (167.2 cm) to match the full rear opening of a 37U MRK or WRK enclosure.

Q: How much depth does the MW-RD-37 add behind the rack?

A: The door adds 1.22 inches (3.1 cm) of depth when installed. Factor this into your rear clearance planning, especially in tight equipment rooms or wall-mount scenarios.

Q: What is the width of the MW-RD-37?

A: The MW-RD-37 is 19.44 inches (49.4 cm) wide, matching the standard EIA-310 width of the MRK and WRK enclosure series.

Q: How heavy is the MW-RD-37?

A: The shipping weight is 39.6 lbs (18 kg). Plan for a two-person installation, particularly on fully populated racks.