Skip to content

800-352-6631 8AM - 5PM CST / Monday - Friday

Help Center
/
Shipping & Returns
/
Request A Quote

Products
- Server Racks & Cabinets
- Airflow & Cooling
- Power
- Server Rack Shelves & Drawers
- Server Rack Screws & Hardware
- Data Center Cable Management
- Cables, Patch Panels, Audio Video
- Electronics, KVM & LCD Monitors
- SKB Protective Cases
- Security ID Solutions
- Rail Kits & Brackets
- Furniture & LAN Racks
- Fiber
- Electrical Enclosures
Solutions
Divisions
- ID Solutions
- Security
- Power & Cooling
Partners
Explore

Products
Solutions
Divisions
Partners
Explore

Search for anything

Home / Locking Solid Security Door

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Locking Solid Security Door by Middle Atlantic at Rackmount Solutions

Explore More IT Solutions

KoldLok by Upsite Technologies at Rackmount Solutions

From $22.86

HotLok by Upsite Technologies at Rackmount Solutions

From $4.79

Flat Panel by Kendall Howard at Rackmount Solutions

From $11.80

Flanged Panel by Kendall Howard at Rackmount Solutions

From $11.25

Locking Solid Security Door

|

SKU# SSDR-12 - Middle Atlantic

$206.10 /

Shipping calculated at checkout.

Rack Units (Size U)

Door Style

Internal Width (Inches)

Product variants

Quantity

Need it fast? Stock can vary, so reach out to us first for up-to-date availability and lead times on time-sensitive orders.

Shipping Method:

Shipping Method

For shipments that aren’t dock-to-dock or have special delivery requirements beyond a liftgate, we recommend reaching out to our team of account managers at 1-800-352-6631 prior to placing your order.

We'll be happy to review your delivery needs and provide an accurate freight quote.

Otherwise, additional delivery charges could apply. Learn More

Estimated Ship Date: Mon Aug 24 - Wed Aug 26

Estimated Ship Date

Estimated ship dates are based on standard availability and production schedules and may differ from what’s shown on this page.

We recommend reaching out to our team of account managers at 1-800-352-6631 prior to placing your order.
We'll be happy to confirm current stock levels and provide the most accurate lead times.

Otherwise, ship dates are subject to change based on material availability and manufacturing demand. Learn More

Overview

● Rack Units (Size U): 12

● Country of Origin: Made in USA

● Door Style: Locking Solid

● Internal Width: 19.00 (EIA Compliant)

● External Depth: 1.63

● External Height: 21

● Rack Units (Size U): 15

● Country of Origin: Made in USA

● Door Style: Locking Solid

● Internal Width: 19.00 (EIA Compliant)

● External Depth: 1.63

● External Height: 26.25

● Rack Units (Size U): 16

● Country of Origin: Made in USA

● Door Style: Locking Solid

● Internal Width: 19.00 (EIA Compliant)

● External Depth: 1.63

● External Height: 28

● Rack Units (Size U): 20

● Country of Origin: Made in USA

● Door Style: Locking Solid

● Internal Width: 19.00 (EIA Compliant)

● External Depth: 1.63

● External Height: 35

● Rack Units (Size U): 21

● Country of Origin: Made in USA

● Door Style: Locking Solid

● Internal Width: 19.00 (EIA Compliant)

● External Depth: 1.63

● External Height: 36.75

● Rack Units (Size U): 8

● Country of Origin: Made in USA

● Door Style: Locking Solid

● Internal Width: 19.00 (EIA Compliant)

● External Depth: 1.63

● External Height: 14

IT Pros Also Viewed

Aluminum Flat Blanking Panel

Aluminum Flat Blanking Panel

Middle Atlantic

Aluminum Flat Blanking Panel From $34.20 /

Choose Options

Data Center Cable Runway - Middle Atlantic - Ladder Wall Support Brackets by Middle Atlantic at Rackmount Solutions

Middle Atlantic

Data Center Cable Runway - Middle Atlantic - Ladder Wall Support Brackets $57.30 /

12-24 Screws

12-24 Screws

Middle Atlantic

12-24 Screws From $8.00 /

5.0

Choose Options

Rackmount Drawer by Middle Atlantic at Rackmount Solutions

Rackmount Drawer by Middle Atlantic at Rackmount Solutions

Middle Atlantic

Rackmount Drawer From $272.70 /

Choose Options

Data Center Cable Runway - Middle Atlantic - 6 Foot Straight Ladder Rack by Middle Atlantic at Rackmount Solutions

Middle Atlantic

Data Center Cable Runway - Middle Atlantic - 6 Foot Straight Ladder Rack $143.10 /

Rack Units (Size U)

Door Style

Internal Width (Inches)

Product Information

Locking Solid Security Door

Product Description

The SSDR-12 12u locking solid security door from Middle Atlantic prevents any tampering on 12u of equipment. This rackmount security door extends off the cabinet by 1.63 inches, creating room for cabling or any protruding equipment. Add additional security with the help of security screws.

The SSDR-15 15u locking solid security door from Middle Atlantic prevents any tampering on 15u of equipment. This rackmount security door extends off the cabinet by 1.63 inches, creating room for cabling or any protruding equipment. Add additional security with the help of security screws.

The SSDR-16 16u locking solid security door from Middle Atlantic prevents any tampering on 16u of equipment. This rackmount security door extends off the cabinet by 1.63 inches, creating room for cabling or any protruding equipment. Add additional security with the help of security screws.

The SSDR-20 20u locking solid security door from Middle Atlantic prevents any tampering on 20u of equipment. This rackmount security door extends off the cabinet by 1.63 inches, creating room for cabling or any protruding equipment. Add additional security with the help of security screws.

The SSDR-21 21u locking solid security door from Middle Atlantic prevents any tampering on 21u of equipment. This rackmount security door extends off the cabinet by 1.63 inches, creating room for cabling or any protruding equipment. Add additional security with the help of security screws.

The SSDR-8 8u locking solid security door from Middle Atlantic prevents any tampering on 8u of equipment. This rackmount security door extends off the cabinet by 1.63 inches, creating room for cabling or any protruding equipment. Add additional security with the help of security screws.

About the Manufacturer

Part of the Commercial AV division of Legrand, North America, Middle Atlantic has manufactured exceptional racks and products for AV systems located in Residential, Commercial, Broadcast, and Security environments since 1979. Middle Atlantic racks commits itself to sustainable manufacturing as shown by its: Green Circle Certification, ISO:9001 and ISO:14001 registration, RoHS Certification, and reduction in energy and water consumption. With a broad product line, Mid Atlantic racks provide unparalleled options for the customer including fan tops, door styles, cable management and a wide range of standard accessories. Middle Atlantic headquarters is located in Brownfield, New Jersey.

Shipping

Rackmount Solutions wants you to be completely happy and satisfied with your purchase and that includes the shipping method to your location. Items ship by UPS daily, or LTL motor freight truck and/or their designated partner/contractors. If you have an established account with a delivery company, we will make every effort to ship on that carrier and you will be billed directly by them. Please tell us at the time the order is placed in the comment section of the checkout.

Full Shipping Policy & Accessorial Freight Charges

Product Specs

Rack Units (Size U):12
Door Style:Locking Solid
Internal Width:19.00 (EIA Compliant)
External Depth:1.63
External Height:21
Material:Steel
Color:Black
Certifications:Greenguard
Manufacturer:Middle Atlantic
Warranty:Lifetime
Country of Origin:Made in USA

Rack Units (Size U):15
Door Style:Locking Solid
Internal Width:19.00 (EIA Compliant)
External Depth:1.63
External Height:26.25
Material:Steel
Color:Black
Certifications:Greenguard
Manufacturer:Middle Atlantic
Warranty:Lifetime
Country of Origin:Made in USA

Rack Units (Size U):16
Door Style:Locking Solid
Internal Width:19.00 (EIA Compliant)
External Depth:1.63
External Height:28
Material:Steel
Color:Black
Certifications:Greenguard
Manufacturer:Middle Atlantic
Warranty:Lifetime
Country of Origin:Made in USA

Rack Units (Size U):20
Door Style:Locking Solid
Internal Width:19.00 (EIA Compliant)
External Depth:1.63
External Height:35
Material:Steel
Color:Black
Certifications:Greenguard
Manufacturer:Middle Atlantic
Warranty:Lifetime
Country of Origin:Made in USA

Rack Units (Size U):21
Door Style:Locking Solid
Internal Width:19.00 (EIA Compliant)
External Depth:1.63
External Height:36.75
Material:Steel
Color:Black
Certifications:Greenguard
Manufacturer:Middle Atlantic
Warranty:Lifetime
Country of Origin:Made in USA

Rack Units (Size U):8
Door Style:Locking Solid
Internal Width:19.00 (EIA Compliant)
External Depth:1.63
External Height:14
Material:Steel
Color:Black
Certifications:Greenguard
Manufacturer:Middle Atlantic
Warranty:Lifetime
Country of Origin:Made in USA

Downloads

Rackmount Solutions Overview
Download file

Rackmount Solutions Overview
Download file

Rackmount Solutions Overview
Download file

Rackmount Solutions Overview
Download file

Rackmount Solutions Overview
Download file

Rackmount Solutions Overview
Download file

Rackmount Solutions offers a full variety of data center power, cooling and security products, featuring a complete set of custom server racks made in the USA.

About
FAQs
News
Careers
Contact Us

Terms & Conditions
Customer Support
Shipping & Returns
Shipping to Canada?
RMA Request

Subscribe to our newsletter

Keep up to date on promotions, new products, industry news and more!

Email

I agree to receiving marketing emails and special deals

© 2026 Rackmount Solutions

Cart ⁰

Your cart is currently empty.

Search

Trending Now

Rackmount Solutions
1u Adjustable Angle Brackets 20-35" Deep $53.36 /
4.5
Rackmount Solutions
Rackmount Solutions Cage Nut Hardware Kit From $34.32 /
4.83
Choose Options
Rackmount Solutions
Open Frame Server Racks From $109.49 /
4.83
Choose Options