Middle Atlantic MRK-4031 MRK Open-Frame AV Rack with Back Door, 31" Depth x 22" Width, 40U
Special Order: typically 2–6 weeks
Ships directly from the manufacturer. This is an estimated lead time, not a guaranteed delivery date.
Availability can change and lead times may be longer. If your project has a deadline, check with us before ordering.
A member of our team will check with the manufacturer and personally reply by email.
Key Features
- Built for heavy-duty installations: seismic-certified, fully welded steel frame supports high static loads so your security and IT equipment stays protected.
- Gangable, space-saving design: 40U open-frame configuration and 31" depth let you combine racks for multi-bay AV, surveillance, and monitoring deployments.
- Flexible cable and equipment management: multiple lacing points, slotted rail brackets and 19" threaded rails simplify wiring and serviceability.
- Configurable access and airflow: open-frame with a configurable rear door balances physical security with optimal cooling for active networking gear.
- Contractor-friendly installation: UL-listed, TAA-compliant with pre-installed grounding and easy rail adjustment to speed up large-scale projects.
- Lifetime limited warranty and GREENGUARD/RoHS certifications provide long-term reliability and environmental compliance for enterprise installs.
Quick Specifications
- Product Model
- MRK-4031
- Brand Name
- Middle Atlantic by Legrand
- Product Name
- MRK-4031 Gangable Enclosure Rack Cabinet
- Product Type
- Rack Cabinet
Explore the details
Product information
MRK-4031
Overview
Deliver reliable, install-ready support for large AV, security and IT systems with the Middle Atlantic by Legrand MRK-4031 open-frame AV rack. Designed as a workhorse for contractors and systems integrators, this 40U rack cabinet combines seismic certification and fully welded steel construction to protect critical surveillance, monitoring and networking equipment in high-density, multi-bay environments. At 31" depth and 22" width with standard 19" threaded rails, the MRK-4031 provides generous internal room and a 10,000 lb load capability for heavy servers, switches and DVR/NVR appliances.
The gangable design lets you link enclosures when fully loaded, saving floor space while maintaining service access. Multiple lacing points, slotted rail brackets and a configurable rear door simplify cabling, airflow and maintenance for security camera systems, control rooms and data closets. UL-listed, TAA-compliant and backed by a lifetime limited warranty, the MRK series is built to perform on large-scale AV, surveillance and networking projects. Specify the MRK-4031 for durable, contractor-friendly rack infrastructure—contact us to configure or order for your next security or network deployment.
Features
- Built for heavy-duty installations: seismic-certified, fully welded steel frame supports high static loads so your security and IT equipment stays protected.
- Gangable, space-saving design: 40U open-frame configuration and 31" depth let you combine racks for multi-bay AV, surveillance, and monitoring deployments.
- Flexible cable and equipment management: multiple lacing points, slotted rail brackets and 19" threaded rails simplify wiring and serviceability.
- Configurable access and airflow: open-frame with a configurable rear door balances physical security with optimal cooling for active networking gear.
- Contractor-friendly installation: UL-listed, TAA-compliant with pre-installed grounding and easy rail adjustment to speed up large-scale projects.
- Lifetime limited warranty and GREENGUARD/RoHS certifications provide long-term reliability and environmental compliance for enterprise installs.
| General Information | |
|---|---|
| Brand Name | Middle Atlantic by Legrand |
| Manufacturer | Legrand Group |
| Product Name | MRK-4031 Gangable Enclosure Rack Cabinet |
| Product Type | Rack Cabinet |
| Product Model | MRK-4031 |
| Product Series | MRK |
| Manufacturer Part Number | MRK4031 |
| Technical Information | |
| Material | Steel |
| Certifications | |
| TAA Compliant | Yes |
| Physical Characteristics | |
| Color | Black |
| Depth | 31 |
| Width | 22 |
| Height | 76.13 |
| Rack Width | 19" |
| Rack Height | 40U |
| Maximum Weight Capacity | 10000lb |
| Product Information | |
| Mount Type | Freestanding |
| Warranty | |
| Limited Warranty | Lifetime |
| Miscellaneous | |
| Certifications | ASCE, TAA, UL Listed |
| Assembly Required | No |
| Country of Origin | US |
| Environmentally Friendly | Yes |
| Environmental Certification | GREENGUARD, RoHS |
No matching specifications
Try a different term, such as a connector type or resolution.
Plan your purchase
Is this right for your project?
Confirm the model, required accessories and delivery needs before ordering.
- SKU:
- MRK-4031
- Manufacturer part:
- MRK-4031
How do I confirm compatibility?
Check the specifications and manufacturer documents for your existing system. Send us your model numbers and project requirements if you need help selecting equipment or accessories.
Ask a product specialistWhen will this item ship?
Availability is shown above. Special-order items and project quantities may need additional lead time. Contact us to confirm a delivery date before scheduling installation.
Shipping, freight and delivery detailsWhat should I know about returns?
Returns require an approved RMA. Consult the linked return policy for deadlines and eligibility. For standard non-defective returns, eligible factory-sealed items carry a 15% restocking fee and customer-paid return shipping; open-box and used items are refused. Defective and DOA claims follow the policy's separate terms. Special orders and other exclusions are final sale.
Read return eligibility and exclusionsMiddle Atlantic MRK-4031 MRK Open-Frame AV Rack with Back Door, 31" Depth x 22" Width, 40U
MRK-4031