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Description
APC Symmetra RM and LX 208V/240V Backplate kit with (3) L6-20RDesigned for administrators who demand flexibility, reliability, and seamless integration, the APC Symmetra RM and LX 208V 240V Backplate Kit with three L6 20R outlets is a purpose built accessory that expands the capabilities of your Symmetra system. This backplate kit lets you tailor power distribution to meet evolving data center workloads, whether youre upgrading from 208V to 240V infrastructure, reconfiguring a dense rack environment, or
Designed for administrators who demand flexibility, reliability, and seamless integration, the APC Symmetra RM and LX 208V/240V Backplate Kit with three L6-20R outlets is a purpose-built accessory that expands the capabilities of your Symmetra system. This backplate kit lets you tailor power distribution to meet evolving data-center workloads, whether you’re upgrading from 208V to 240V infrastructure, reconfiguring a dense rack environment, or provisioning additional high-demand equipment. Crafted to preserve the Symmetra chassis’s form factor, this kit maintains clean cable management, steady airflow, and consistent impedance, helping to maximize uptime and efficiency in mission-critical environments. By providing a sturdy mounting surface and integrated locking outlets, the kit reduces installation complexity and downtime, allowing IT teams to deploy, service, and scale with confidence. Ideal for corporate campuses, colocation facilities, edge deployments, and disaster recovery sites, the backplate kit delivers modularity without sacrificing reliability, enabling you to adapt quickly as your data center footprint evolves.
- Flexible 208V/240V configuration with (3) L6-20R outlets: This backplate kit enables precise power delivery for APC Symmetra RM and LX systems, supporting 208V or 240V configurations to match your data center’s electrical footprint. The three L6-20R locking receptacles provide secure, high-current connections for critical loads, helping reduce the risk of loose or accidental disconnections and ensuring stable performance during peak demand. By aligning with APC’s recommended configurations, you can optimize load balance and improve distribution efficiency across racks without compromising safety or serviceability.
- Secure, locking connections for mission-critical equipment: The included L6-20R outlets use locking connectors to maintain a dependable electrical pathway even in busy data-center environments. This feature minimizes the chances of accidental unplugging during maintenance or rearrangements, supporting uptime for servers, storage, and network gear. The robust receptacles are designed to withstand routine rack movement and cable tugging, providing long-term reliability in environments that demand steady power at all times.
- Sturdy backplate construction and clean cable management: Engineered to match the Symmetra RM/LX form factor, the backplates are built from durable materials with a protective finish to withstand rack-rack handling and dense cabling. The design promotes tidy cable routing, reduces strain on connectors, and maintains proper airflow channels within the enclosure. This results in improved thermal performance and easier maintenance, with cables neatly organized and accessible for service or expansion.
- Easy installation and scalable design: The backplate kit is intended to streamline deployment with clear mounting points and included hardware, enabling technicians to install quickly with minimal downtime. Its modular nature supports future expansion or reconfiguration, allowing you to adapt to changing IT workloads without replacing the entire power distribution setup. The kit’s design also simplifies post-install serviceability, making it straightforward to replace or upgrade individual components as needed.
- Professional-grade compatibility and operational reliability: Built to integrate seamlessly with APC Symmetra RM and LX systems, this backplate kit preserves the integrity of your existing power architecture while delivering additional outlets for high-density deployments. By using components that are designed to work together, you maintain consistent electrical characteristics, minimize impedance mismatches, and preserve protection features critical to modern data centers. This compatibility helps ensure predictable performance and reduces the risk of compatibility issues during future upgrades.
Technical Details of APC Symmetra RM and LX 208V/240V Backplate kit with (3) L6-20R
Technical details are not available in this listing. For full specifications, please consult the official APC product documentation or the supplier’s product page for compatibility, voltage ranges, current ratings, and installation guidelines.
how to install APC Symmetra RM and LX 208V/240V Backplate kit with (3) L6-20R
- Power down the APC Symmetra RM/LX system and disconnect all power sources to ensure a safe installation. Follow your facility’s lockout/tagout procedures before touching the unit.
- Remove any panels or access covers as required to access the mounting area where the backplate will be installed. Keep track of all screws and brackets for reassembly.
- Align the backplate kit with the chassis’ mounting points, ensuring that the three L6-20R outlets align with approved cable routing paths. Use the included mounting screws and brackets to secure the backplate firmly to the frame, taking care not to overtighten nuts or hardware.
- Route the cables to the L6-20R outlets, ensuring that each connection is secure and that cables do not obstruct airflow paths. Verify that the locking latches on the L6-20R outlets engage properly to prevent accidental disconnections during operation.
- Reattach any panels or covers, restore power, and perform a functional check. Confirm that all three L6-20R outlets are delivering power and that the Symmetra RM/LX system recognizes the new configuration. Monitor for proper operation and heat dissipation during initial power-on testing.
Frequently asked questions
- Is this backplate kit compatible with all Symmetra RM and LX models? The kit is designed to support APC Symmetra RM and LX configurations that operate at 208V/240V. Please verify compatibility with your specific model and firmware version using the official APC compatibility guides prior to purchase.
- What is included in the kit? The package typically includes the backplates, mounting hardware (screws and brackets), and the three L6-20R locking outlets. If you require cables or additional adapters, these may be sold separately or as part of a separate accessory bundle.
- Do I need a professional installer? For best results and to ensure warranty coverage, installation by a trained technician is recommended. The kit is designed for straightforward mounting, but handling high-current electrical components and ensuring proper airflow are critical to data-center reliability.
- Will this backplate affect UPS warranty? Accessories designed specifically for APC Symmetra RM and LX systems are typically supported by the manufacturer’s warranty when installed according to official guidelines. Always consult the warranty terms for your exact model and configuration before installation.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 2060 reviews
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Product Reviews
★★★★★ 4
Great if you're average height.
Color: Black
Comfortable for the price. The seat could be a bit better, but for a budget friendly ergonomic chair, it's well made and has helped a lot with my back pain caused by my previous desk chair.
Assembly wasn't terribly difficult, though I did have one screw with damaged threads. Luckily they ship spare screws in the kit, so that was a non-issue.
Rollers work great on my small rug and hard flooring and don't tend to tangle cords or cables too much.
Size wise, works great for my frame (5 ft 6 in) but for someone more than a few inches taller than myself, you should probably look at another chair.
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Reviewed in the United States on September 4, 2025
★★★★★ 5
Great chair
Color: Black
I am very happy with my purchase. Easy to assemble but be aware your drill bits included with your set won't fit their screws. However, you can get a fair bit done with the drill and then use tool included to adjust. Super comfortable and exactly the right height for my desk. Highly recommend for quality exceeding price point.
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Reviewed in the United States on May 9, 2026
★★★★★ 1
Review from an "actual" tall person who doesn't weigh 400 pounds.
Color: Black
I recommend this chair.
Firstly, I looked at least dozens of chairs and nearly every review in trying to select a chair. I didn't want to spend $200.
It's confusing because everyone's idea of perfect is of course subjective. One thing, What is tall? I'm 6'6" I think that's pretty tall. Others feel that 6'0" is tall. LOL In the listing, it shows this chair is good for a 6'5" person which I think is pretty accurate. I weigh about 210 pounds and the padding is just fine. One thing I would push manufacturers to do would be to give accurate measurements. Seat height low and high. Back support height. Head rest added to back height etc.! Maybe actual human measurements that the chair is geared toward. Nice to know that 400 lbs is cool but that doesn't tell me much.
My primary goal was to find a chair I could sleep in because I recently had a
back injury and sleeping on my bed, while fine, resulted in intense pain trying
to get up in the morning. We'll see what happens but the headrest reaches my head
which was goal one.
The lumbar fits so I don't need to use cushions and pads etc. I found the upper
position of the support to be right for me and it's super comfortable. Plus number
two.
The raised height of the chair fits my long legs (inseam 36") Plus three.
I wanted adjustable arm rests but this one doesn't have that. No biggie, for me the height of the arm rests is pretty much just right. It might be a little high for some.
The back leaning adjustment doesn't lock except for upright. Locking upright is good, and leaning back - for me - doesn't really need to lock.
Being an actual tall person made me really skeptical. I'm relieved that I won't have to take it apart to return it. The assembly was straight forward and pretty easy though I'd suggest not really tightening the arms snugly before getting the back squared away - the alignment is easier if you do that.
I got the chair for $109 with 21% off. It's slightly wobbly yet feels pretty well made. It rolls well enough.
I'm quite satisfied with the purchase and I'll come back if there are updates.
Edit one. I've had it a week now and found I couldn't sleep in it. I think it would be better if the back could recline separately from the seat. There might also be figuring out a way to support my legs due to the back and seat reclining together rather than separately. Two. I kind of wish more now that the arms were adjustable for height and tilt if that makes sense. I have a bar stool next to me on the right in front of my desk that is the right height to relax my right arm while reaching my mouse on the desk so that's my work around there. Three. The casters are kind of basic and don't roll as easily on the floor matt as my former second hand chair - they would probably be fine on a hard surface. I'll probably switch them out. Four: The lumbar support, while mostly in the right place is unpadded and creates kind of a hard spot there. I've re-introduced my lumbar support pillows for comfort there.
All in all, I'm still happy with the $100 purchase. In my experience, being pretty tall always comes with compromise and these notes are not deal breakers for me.
Yea, It can always be more perfect but unless you're in a showroom test driving and willing to spend $300? Right.
UPDATE: I'm really not satisfied with this chair and in fact, I wish I hadn't bought it. Firstly, the pneumatic post that the chair part connects with is wobbly depending on which way it is facing according to which way the legs are aligned. It's like a poor fit and I'm pretty mechanically inclined.
Second and also important. The lock to keep it upright and inclined only worked for a few weeks. For a while, you had to mess with it to engage the upright position. It no longer works.
Worse than that, the lumbar support pad disconnected with the chair and is now floating and after only a month or so, the remaining supports for the Lumbar rest have dug into the fabric on the back of the chair creating holes in the back's fabric. I've tried but there is no way to reconnect that bit without removing the back's fabric as far as I can see.
I'm taking this down to one star for sure. Poor design? Poor manufacturing? Yea. I wouldn't suggest this chair to anyone. If the company comes up with a solution, I'll continue my review.
As for now. Not a recommendation.
Update: Not impressed and kind of crappy. Mentioned is that the so called lumbar thingy disconnected and is unusable. I've got my own pad which seems to help. Also, it's wiggly where the chair connects to the base. Months later, I might toss it and go back to the chair I bought locally and second hand.
Don't buy this chair!
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Reviewed in the United States on March 20, 2025
★★★★★ 5
Great Instructions, Straightforward Assembly
Color: Black
I just received this chair today, so my product review is mostly on the packaging, instructions, and assembly.
The product was well-packaged, and it was obvious when I unboxed it that a lot of care and thought went into packing it in the most efficient way that would also protect the parts. I was positively impressed with the packaging.
I was also incredibly impressed with the instructions and assembly process. I am used to cheaper products where the parts only half fit or important components are missing, or where the instructions were confusing and unclear. This chair's instruction manual was very clear and concise. The diagrams were easy to understand and neat. The screws came labeled and separated and also included the scew types and sizes/lengths, which is handy in case you need to pick up extras at a store somewhere. But they also included one extra of each type of screw, washer, and cover, which I appreciated during assembly. (I didn't find myself worrying what would happen if I dropped a screw, which is something I would normally be distsracted by while working.)
The only things I would take points off for were these:
1. The instructions said the chair came with gloves for assembly, but no gloves were included. That was fine with me, but why mention them if you won't include them? The instructions even later say not to use the chair if not all components were present...but all the important ones were, so I assembled it without gloves (as I probably would have done anyway, since it was for me and not another person).
2. It matters which side of the seat is the front, but the sticker was confusing. The instructions show a sticker placed on the side that is the front, and that is where my sticker was placed. However, the sticker says "FRONT" and has an arrow pointing somewhere. In the instructions this arrow pointed to the front. On my seat, however, the arrow pointed to the back. So am I supposed to believe the sticker placement (it was diagonal, so it looked haphazardly slapped on) or the arrow? On that particular step the piece you are screwing into the seat can fit both ways, but thankfully there is a later step where it becomes obvious which side is the front vs. the back. (The arm rests can only be attached to the back.) So I wish that had been clearer up front, but otherwise it was okay.
Recommendations for assembly:
- To attach the wheels, apply firm, direct, straight-down pressure. I tried screwing them on at first but you just push. Make sure they go in the whole way like the picture shows.
- When they say to tighten the screws to only 60%, it's a helpful tip, because you can't fit the armrests on both the seat and chairback at the same time with the screws completely tightened. Just tighten them enough to fit the pieces on, then later you can tighten up the screws.
So far I find the chair to be very comfortable and I'm exceedingly happy with it. The lumbar support seems like it could potentially be a little chafy or scratchy, but I'll give the chair a chance before deciding if it's problematic or not. Like I said, I only got the chair today, so I can't speak much to its long-term comfort, durability, or longevity. But I was so impressed with how easy and straightforward they made the assembly that I had to write a review to show my appreciation.
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Reviewed in the United States on May 9, 2026
★★★★★ 3
It's okay
Color: Black
Appeared to be a super comfortable chair. Purchased for my mother to work from home and the material is apparently slightly itchy and the arm rest isn't quite comfortable. It was pretty simple to put together but it did take some time.
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Reviewed in the United States on June 11, 2026