Middle Atlantic Copper Bus Bars

Ground Individual Components of Your Network Enclosure

Copper Bus Bars

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Middle Atlantic Copper Bus Bars

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Low Price GuaranteeWhat's special about these electrical grounding bars?

  • Mounts to any standard EIA-510-D enclosure or open frame rack, providing a convenient ground contact for rack-mounted equipment
  • Constructed of solid copper, these bus bars provide the purest electrical conductivity possible
  • Pre-drilled, threaded holes allow ground wire "jumpers" to bridge individual pieces of equipment, providing a direct path to ground
  • Includes nylon isolation  washers, bolts, nuts and all necessary mounting equipment for an all-in-one solution
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The Grounding Bus Bars by Middle Atlantic give you the ability to individually ground your network components. In doing so, you not only protect the integrity of your rack mounted equipment, but also your network infrastructure, reducing downtime and maintenance labor costs.

  • Available in a variety of widths and lengths to suit the size and needs of your cabinet and application
  • Significantly improves the reliability of a power or electrical grounding system, protecting your investment
  • Tapped with standard RMS spacing to accept standard 10-32 screws, so you can easily install grounding wires
  • Engineered to comply with US and International grounding requirements
  • Proudly made in the USA USA


MA-BB-12 12 U 21" (533.45 mm) 2" (50.8 mm) 0.25" (6.35 mm) 1.95 lbs
MA-BB-40 40 U 70" (1778 mm) 2" (50.8 mm) 0.25" (6.35 mm) 8.9 lbs
MA-BB-44-1 44 U 77" (1955.8 mm) 1" (24.4 mm) 0.25" (6.35 mm) 7.2 lbs
MA-BB-5254-1 52 U 79" (2006.6 mm) 1" (24.4 mm) 0.25" (6.35 mm) 10.4 lbs
MA-BB-12 Middle Atlantic Copper Bus Bar 12 U 2" (50.8 mm) 1.95 lbs
MA-BB-40 Middle Atlantic Copper Bus Bar 40 U 2" (50.8 mm) 8.9 lbs
MA-BB-44-1 Middle Atlantic Copper Bus Bar 44 U 1" (24.4 mm) 7.2 lbs
MA-BB-5254-1 Middle Atlantic Copper Bus Bar 52 U 1" (24.4 mm) 10.4 lbs

RLA RacksRLA Series Aluminum Two-Post Open Rack - Middle Atlantic
Available from 45U - 51U Rack Space
Ideal for applications that call for tough racks and heavy weight capacity, these open racks ship flat, and are fast and easy to set up.

RL Series Open FrameMiddle Atlantic RL Series Open Frame 2-Post Rack
Available from 38U - 45U Rack Space
Designed with tapered feet and an optional cantilever base, this rack is able to stabilize itself on uneven floors even under heavy load, to eliminate dangerous leaning.


WMRK Series Configured Multi-Vendor Server EnclosureWMRK Series Configured Multi-Vendor Server Enclosure
Available from 24U - 42U Rack Space
Ideal for raised-floor environments, these enclosures feature rack rails that are designer to accept servers and slide kits from all leading manufacturers.

Preconfigured ERK Series EnclosuresMiddle Atlantic Preconfigured ERK Series Enclosures
Available from 35U - 44U Rack Space
Preconfigured to eliminate the frustration of assembling a server rack piece by piece, this complete enclosure can be easily loaded with equipment right out of the box.


copper grounding strap, 91620Flexible Copper Braid Jumper Straps
Ideal for applications in which equipment doesn't line up perfectly or needs the freedom to shift slightly, these braided jumper straps provide a flexible, easy to install connection to ground, to protect equipment from electrical damage.


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