Middle Atlantic SRSR-4-19 19RU Rotating Sliding Rail System
Overview
The Middle Atlantic SRSR-4-19 is a 19-rack-unit slide-out rotating rail system built for in-cabinet rack deployments where rear-panel access is a recurring operational requirement. Rather than removing equipment or working around fixed rails, the SRSR-4-19 lets a technician slide the entire loaded assembly forward and rotate it — giving unobstructed access to cabling, I/O ports, and power connections on equipment that would otherwise require partial disassembly of the rack. The system handles up to 250 lbs (113.4 kg) of installed gear across 19 RU of mounting space, making it practical for densely loaded AV, security, and IT equipment bays. The flat black powder coat finish blends with standard rack aesthetics, and domestic manufacture in the USA supports TAA-compliance requirements on government and federal projects. SRSR-4-19 uses 10-32 rack rail threading, consistent with the dominant standard in commercial enclosures.
Compatibility
The SRSR-4-19 is designed for Middle Atlantic in-cabinet rack enclosures — specifically cabinets with sufficient interior clearance to accommodate the slide-and-rotate motion path. The unit occupies 19 RU of usable height (33.25 in / 84.5 cm) within an overall frame height of 36.25 in (92.1 cm), so the host cabinet must provide at least that interior vertical clearance. Usable mounting depth is 17.25 in (43.8 cm); verify that all installed equipment — including rear connectors and cable bend radius — fits within this envelope before specifying. The 10-32 threaded rail accepts standard rack-mount hardware used across most 1U–4U security appliances, NVRs, network switches, and AV processors. This system is not designed for open-frame or two-post rack environments — it requires a fully enclosed cabinet to support the rotating mechanism. Confirm interior cabinet width accommodates the 19.13 in (48.6 cm) overall frame width with clearance for the rotation arc.
Installation Notes
Before mounting, verify the host cabinet's floor or base structure can support the combined weight of the SRSR-4-19 frame plus installed equipment — the shipping weight alone is 102.6 lbs (46.5 kg) and a fully loaded system can approach 350 lbs total. Ensure adequate floor space in front of the cabinet for the slide-out and rotation swing — this system requires clear working room forward of the rack door. The 10-32 rail type requires standard cage nuts or pre-threaded strips; confirm compatibility with the specific rail hardware in your enclosure before installation. Route cables with sufficient slack and managed dressing to accommodate the full range of slide and rotation motion without binding or pulling at termination points.
