4-Post Open Frame Rack — CT-OF4 Series | Adjustable-Depth Heavy-Duty Frame
Shipping calculated at checkout
SKU: CT-OF4-5512-B
In stock
Open here
Depth-adjustable 4-post frame, 22 to 40 in. One SKU covers the whole equipment mix.
Why it wins in the white space
- 22 to 40 in adjustable depth. Rail depth adjusts to support servers, UPS units and deep chassis on adjustable shelves.
- Heavy gauge. 2.0 mm posts and beams, 3.0 mm base, silk-screened U marks.
- 15-minute solo install. Common assembly screws throughout. M8 bolts and washers, M12 expansion bolts, M6 cage nuts (quantity by U size) and cable management rings included.
- Freight friendly. Bulk packed knock-down in a double wall carton.
Technical specifications
| Material | SPCC cold-rolled steel, 2.0 mm posts and beams, 3.0 mm base |
| Color | RAL 9005 black (RAL 7035 grey on request) |
| Max static load | Up to 350 kg |
| Finish | Electrostatic powder coat |
| Packaging | Knock-down, double wall carton |
| Compliance | CE, RoHS, REACH |
| Standards | ANSI/EIA-ECA-310-E; IEC 297-2; DIN 41491 Part 1; DIN 41494 Part 7; ETSI compatible |
Ordering information
| Part No. | W (mm) | D (mm) | H (mm) | U |
|---|---|---|---|---|
| CT-OF4-5512-B | 516 | 567 to 1024 | 673 | 12 |
| CT-OF4-5522-B | 516 | 567 to 1024 | 1117 | 22 |
| CT-OF4-5525-B | 516 | 567 to 1024 | 1251 | 25 |
| CT-OF4-5527-B | 516 | 567 to 1024 | 1340 | 27 |
| CT-OF4-5542-B | 516 | 567 to 1024 | 2006 | 42 |
| CT-OF4-5545-B | 516 | 567 to 1024 | 2140 | 45 |
| CTA-0117-550-B (fixed shelf, 485 x 550 to 1150 x 44 mm) | 485 | 550 to 1150 | 44 |
Part numbers listed are RAL 9005 black (-B). RAL 7035 grey (-G) available on request.
Accessories (quoted separately)
| Part No. | W (mm) | D (mm) | H (mm) | Application |
|---|---|---|---|---|
| Vertical cable management | ||||
| CT-OF3-J22-B | 169 | 153 | 978 | 22U rack |
| CT-OF3-J25-B | 169 | 153 | 1067 | 25U rack |
| CT-OF3-J42-B | 169 | 153 | 1867 | 42U rack |
| CT-OF3-J45-B | 169 | 153 | 1956 | 45U rack |
| Vertically segmented cable manager (14U: 1 pc; 28U: 2 pcs; 42U: 3 pcs) | ||||
| CT-OF3-J14A3(B3)-B | 98 | 190 | 622 | |
| CT-OF3-J14A6(B6)-B | 160 | 220 | 622 | |
| CT-OF3-J14A9(B9)-B | 312 | 220 | 622 |
Engineered to ANSI/EIA-ECA-310-E and IEC 297-2. CE, RoHS and REACH compliant. Quality tested before shipment. Same-day shipping on in-stock items. Browse the full Racks & Cabinets line or download the CT-40 catalog from our catalog library.
Specifications
| Part Number | CT-OF4-5512-B |
| Category | Rack |
| HS Code | 9403.20.0090 |
Why Pros Buy Direct from Conversions Tech
Quality-tested and UL Listed. Every product we carry is built to our specifications by certified manufacturing partners and quality-verified before it ships. UL/CSA listed where required, NEC compliant.
Cross-reference savings. Direct equivalents to Burndy, Hubbell, and other OEM part numbers at up to 30% less — same specs, same certifications, without the big-brand markup.
Real technical support. Need a torque spec, die reference, or an OEM quote? You’ll speak directly with the Conversions Tech engineering desk — not a script reader — for instant answers, custom kitting, and private-label options.
Fast US fulfillment. Orders in by 2PM ET ship same day from our US warehouse, nationwide ground and expedited.
