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Description
Vertiv Liebert APS 5kVA/4.5kW Power Module 208VAC | Replacement/ExpansionEnhance reliability and scale your data center or business critical power with the Vertiv Liebert APS 5kVA 4. 5kW Power Module for 208VAC systems. Engineered to integrate seamlessly with the AS3 and AS4 Series Liebert APS UPS, this module delivers dependable capacity growth, streamlined maintenance, and reduced downtime. Designed for expansion or replacement, it unlocks a path to higher availability without overhauling your existing infrastructure.
Enhance reliability and scale your data-center or business-critical power with the Vertiv Liebert APS 5kVA/4.5kW Power Module for 208VAC systems. Engineered to integrate seamlessly with the AS3 and AS4 Series Liebert APS UPS, this module delivers dependable capacity growth, streamlined maintenance, and reduced downtime. Designed for expansion or replacement, it unlocks a path to higher availability without overhauling your existing infrastructure.
- Powerful scalability: add 5 kVA / 4.5 kW of capacity to match rising workloads and maintain continuous uptime for essential equipment.
- 208 VAC performance: optimized for data centers, networks, and office environments that rely on standard 208-volt power distribution for reliable, consistent output.
- AS3 and AS4 compatibility: specifically designed to slot into Vertiv Liebert APS UPS units in the AS3 and AS4 Series, enabling straightforward upgrades and replacements.
- Hot-swappable design: engineered for minimal downtime during maintenance or replacement, helping to preserve service continuity.
- Compact, modular expansion: a space-efficient solution that scales without a complete system overhaul, simplifying field upgrades and future-proofing your power architecture.
Technical Details of Vertiv Liebert APS 5kVA/4.5kW Power Module 208VAC
- Power rating: 5 kVA / 4.5 kW, providing substantial reserve to protect against gradual load growth or sudden demand spikes
- Input/Output voltage: 208 VAC, aligned with common data center and enterprise power distribution standards
- Compatibility: designed for use as a replacement or expansion module in Vertiv Liebert APS UPS units within the AS3 and AS4 Series
- Form action: modular power module intended for straightforward installation into compatible UPS bays, minimizing service disruption
- Reliability emphasis: built to maintain steady performance under steady-duty operation, contributing to overall system uptime and resilience
How to install Vertiv Liebert APS 5kVA/4.5kW Power Module
- Power down the UPS system and disconnect it from all power sources, following your facility’s safety procedures to ensure a de-energized work environment.
- Open the service access panel of the compatible AS3 or AS4 Liebert APS UPS and locate the expansion/replacement bay designated for the 5kVA/4.5kW module.
- If replacing an existing module, carefully remove the old unit, noting connector alignments and any cooling or interlock interfaces that must be reattached to the new module.
- Carefully align the new power module’s connectors with the UPS backplane, then slide the module into place until it seats securely. Verify that locking mechanisms engage and that all connectors are fully seated.
- Reconnect any electrical harnesses or interconnects, ensuring secure, clean connections. Close the service panel and restore power to the unit.
- Power on the UPS and run a full self-test or diagnostic sequence as directed by Vertiv documentation. Monitor output readings to confirm correct voltage, frequency, and load balance, and verify that the system recognizes the new module.
Frequently asked questions
- What is the Vertiv Liebert APS 5kVA/4.5kW Power Module 208VAC used for? It is a replacement or expansion module designed to increase the power capacity of compatible Vertiv Liebert APS UPS systems (AS3/AS4 Series), delivering 5 kVA / 4.5 kW at 208 VAC to protect critical loads.
- Is the module hot-swappable? Yes. The design emphasizes hot-swappability to minimize downtime during maintenance or capacity upgrades.
- Which systems is it compatible with? It is intended for use with Vertiv Liebert APS UPS units in the AS3 and AS4 Series, enabling seamless expansion or replacement within those platforms.
- What voltage does it use? The module operates at 208 VAC for both input and output, matching common commercial and data-center power distributions.
- Do I need a technician to install it? For safety, accuracy, and warranty considerations, installation should be performed by qualified personnel familiar with UPS hardware and Vertiv installation guidelines.
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 6 reviews
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Product Reviews
★★★★★ 5
hobbyist only
Purchased to replace a 15 year old Epson. I still have three weeks to decide to return this so I will edit this review if I decide to do that.
PROS: After a few test prints, I love the quality of color, the accuracy of reproduction to what I see on my monitor, and the number of choices for print size and quality.
I found, as others complained, that with cheap gloss paper there was puddling of ink. When I switched to my best papers, especially my favorite highest quality matte finish, the results were astounding and I'd do matte for everything.
As for ink usage, I made the choice to go with a cartridge printer instead of the newer high-volume inks because I wanted the archival quality. Test the output for your needs, because I found the "draft" setting produced better on gloss paper.
CONS: Like so many electronics now, you only get instructions if you download and print them.
Second, when the printed photo feeds out, it has been curled and as it feeds into the receiving drawer, wants to drag the wet ink against the body of the machine. You have to be there to watch and push it down with a finger. Cheaper gloss paper in 4x6 size curled up in a little wet roll 1/2" diameter and is not usable AT ALL.
The miniature screen on which to select papers is ridiculous. I wish the computer interface let you make the choices on your computer, but it does not.
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Reviewed in the United States on June 6, 2020
★★★★★ 1
Defective printer and poor wifi performance
I cannot recommend that anyone buy this printer. At this price, I expected a consistently working and decent quality printer. For initial wireless setup with a Mac, we had to spend 45 minutes on the phone with Epson technical support. That got it working. It worked for a couple of weeks and then the printer would frequently lose its wifi connection even though our internet is high quality cable and very consistent. We'd have to turn this printer off and on repeatedly to re-establish the wifi connection. Then after 6 weeks it stopped working totally. After another 45 minute call with Epson, they said it had a hardware failure and we had to return it to Epson and would receive a refurbished unit. This is less than 2 months after buying a new high priced printer that they are suggesting we accept a refurbished unit. Finally Epson said they'd send a new one. We got the new one and did our customary call to tech support to set it up for wireless with a Mac. It turns out they forgot to send the factory ink cartridges in this replacement printer that are required to do an initial setup. We have the Epson cartridges that are spec'ed for this printer, but they have to be the ones that COME INSIDE the printer for the printer to begin its initial setup. So after another 45 minute call, Epson now says they have to send us new ink cartridges for the printer to even print a single piece of paper - even though we have Epson ink cartridges purchased just for this computer. So after weeks of no printer for our business, we now have to wait for another shipment from Epson. Then we will have the next 45 minute call to set it up.. This painful and costly experience has had way too many headaches - all caused by Epson defects and mistakes. We will not be buying Epson again.
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Reviewed in the United States on July 7, 2018
★★★★★ 5
A must have high quality Photo Printer for cheap!
If you’re searching for a high quality printer without breaking the bank , this is the printer for you.
I had spent a good amount of time researching various printers and the picture quality they offered . I really spent my time looking this up . I found that the Picture quality on this printer is incredible .
If you look at other models that can print 13x19 they cost way more. Now the ink capacity I’m not entirely sure about but I do know the ink can be expensive but it’s a trade off for getting an affordable printer without breaking super high quality pictures .
Setup was very straight forward and it makes it essentially easy for anyone to connect to their network to print wired or wireless. You have the ability to print from your phone which is really amazing as well .
All around this printer is great and if you’re hesitant you should just pull the trigger because you get quality with this model and affordability .
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Reviewed in the United States on November 6, 2025
★★★★★ 4
Ink is a problem
Printer is great. It prints very nicely.. had no problem setting up.. it all works fine. What I didn't like is the ink is kind of expensive and doesn't seem to last long. Once one color is out .. you can't use at all. Says "print in black" but it only allows that a few pages then it's done even tho there is black ink left. Epson customer service kind of sucks also.
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Reviewed in the United States on October 10, 2025
★★★★★ 5
Correction: Excellent value, quality and ease of use for color & grey scale; Wi-Fi firmware updates
Straightforward to install on my home WiFi network. The controls and screen are easy to navigate. Firmware updates can be done via WiFi—so much better than downloading an installer to a computer. Surprised that the maximum borderless print size is A3+. I don’t care, because I don’t mind a thin border on 13x19” paper, and intend to print 12x18” or smaller anyway for framing.
Good results on real-world test prints with default color and tonal settings in Apple Photos. Astonishingly, perfect color and tonal range in my full-spectrum, full-dynamic range test print of a storefront on 13x19” Matte paper. A garden scene had true hues—borderless on 4x6” glossy paper—but was a bit dark. You wouldn’t notice if you only saw the print. Full tonal range B&W image on glossy paper lost some highlight detail and mid-tone pop compared to what I got from a commercial print shop using Luster paper, but I’m not seeing a color cast reported by others, which is very good news.
I bought Epson again after a long hiatus because 1) I have a big stock of paper from pre-covid days, 2) ink cost is not a problem for my limited photo printing needs, and 3) the recent price drop offered a very low up-front cost. This one is smaller and very much quieter than its predecessor. It offers Air Print connectivity, but I prefer WiFi, even from mobile devices.
Pretty happy so far. Already useful and B&W may improve with experimentation.
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Reviewed in the United States on August 31, 2024