Description
APC Smart-UPS SRT3000RMXLI Dubai 3000VA Online Rack UPS 2U
The rack looks fine from the front. Firewall lights are blinking. Storage array is online. Two servers are running accounts, shared files, and the ERP database. Then the building power drops for less than one second.
Not a long outage. Not even enough for most staff to notice. But the server rack notices. The firewall reboots. The storage controller logs a dirty shutdown. One virtual machine comes back with file system errors. The office loses half a day because the UPS was not built for that rack, or it was sized from VA alone.
That is where the APC SRT3000RMXLI fits. It is not a desktop UPS. It is a 2U online double conversion rack UPS for critical IT loads in Dubai offices, server rooms, clinics, trading floors, hospitality back offices, and free zone network rooms where a transfer delay is not acceptable.
What the APC SRT3000RMXLI is
The APC SRT3000RMXLI is a 3000VA / 2700W Smart-UPS SRT rack mount UPS. It uses online double conversion topology, which means the UPS continuously converts incoming AC power to DC, then regenerates clean AC output through the inverter. Your connected equipment runs from conditioned inverter output all the time.
That is the big difference between SRT and a normal line interactive UPS. A line interactive UPS waits on mains power, corrects voltage through AVR, then switches to battery when the input fails. That is fine for many office loads. The SRT3000RMXLI does not wait. It is already feeding the load through the inverter, so when input power fails there is zero transfer time.
For a server rack, that matters. Firewalls, SAN storage, NAS units, database servers, virtualisation hosts, CCTV NVRs, access control servers, and PABX systems do not like unstable power. Some tolerate short transfer times. Some do not. Some will run for years without complaint, then crash during one small voltage event at the worst possible time.
Dubai has stable utility power compared with many markets, but stable does not mean perfect. Older commercial buildings, high-density towers, shared electrical rooms, and free zone offices can still see voltage dips, micro-outages, generator changeover events, and brief disturbances during nearby construction work. The SRT3000RMXLI is built for those events.
Online Double Conversion vs Line Interactive
Line interactive UPS systems correct voltage and switch to battery in a few milliseconds when input fails. Online double conversion UPS systems continuously regenerate the output through the inverter. The result is zero transfer time and clean sine wave output for sensitive racks. Most desks do not need this. Server rooms often do.
3000VA does not mean 3000 watts
This is the sizing point that catches buyers. The model number says 3000VA. The real usable power rating is 2700W. Both numbers matter, but watts is the number you size against when you total your connected equipment.
VA is apparent power. Watts is real power. Your servers, switches, storage, firewall, router, CCTV recorder, and telecom equipment consume watts. So when a rack has a 500W server, a 450W storage unit, a 180W firewall, two switches at 250W combined, and a KVM console at 60W, the UPS sees around 1440W before headroom.
The APC SRT3000RMXLI can deliver up to 2700W, but that does not mean the rack should run at 2600W every day. A UPS should not be treated like a wall socket. It needs headroom for startup current, future devices, battery ageing, heat, and runtime loss over time.
The 70% Rule — Sizing the SRT3000RMXLI
Keep the connected load under about 1890W for normal design. That is 70% of the 2700W real power rating. It gives the rack safer runtime, lower stress, and room for growth. If your rack already measures above 1900W, consider the SRT6KRMXLI instead of forcing a 3kVA UPS to work too hard.
A typical 3000VA rack UPS use case in Dubai might be one virtualisation host, one storage appliance, a firewall, two network switches, and a small monitor. Another fit is a clinic rack with a server, access control server, NVR, core switch, router, and Etisalat or du handoff equipment. It also suits small trading or finance offices where the rack load is not huge, but clean power is non-negotiable.
Where it does not fit: a full rack of multiple servers, high-density PoE switches, GPU workstations, or a rack drawing above 2kW before growth. That load belongs on a larger SRT system, usually 6kVA or above, with proper circuit planning.
Why online power matters in Dubai server rooms
The SRT3000RMXLI is often chosen after someone has already tried a smaller UPS. It worked for a few desktops. Then a server was added. Then a second switch. Then a firewall. Then storage. The load grew slowly, and nobody checked the UPS again until the first overload alarm or failed battery event.
Server rooms in Dubai add another issue: heat. A UPS installed in a cooled rack room behaves very differently from one sitting in a storage room behind the office pantry. Batteries lose capacity faster above 30°C. At 40°C and above, battery life can drop hard. That is why a rack UPS should be sized with real load, real ambient temperature, and realistic battery life — not just brochure runtime.
For most Dubai offices, expected VRLA battery life is 2 to 3 years. In a properly cooled server room, it may last longer. In a warm electrical room, warehouse mezzanine, or rack with blocked airflow, plan closer to the lower end. The UPS can only protect the load if the batteries are healthy when the event happens.
Vector Dubai installs the SRT3000RMXLI as a rack system, not as a loose box. The UPS is mounted, connected, tested under load, and checked against the actual devices being protected. For servers, we configure PowerChute shutdown where required. For managed racks, we can add AP9640 network management for SNMP alerts and remote monitoring.
SmartSlot monitoring with AP9640
The SRT3000RMXLI supports APC SmartSlot. That means it can accept a network management card such as the AP9640. The UPS itself protects the power. The network card makes the UPS visible to the IT team.
With AP9640 installed, the UPS can send alerts over the network, support SNMP monitoring, integrate with tools such as PRTG or Nagios, and allow IT teams to see battery health, input voltage, output load, and event history without standing in front of the rack. That matters when the server room is locked, off-site, or inside a free zone facility where access is controlled.
Network management card not included
The SRT3000RMXLI supports SmartSlot monitoring, but the AP9640 network management card is sold separately. Choose it if you need SNMP alerts, remote event logs, network shutdown, or integration with your IT monitoring platform.
This is different from SmartConnect on smaller APC models with an IC suffix. SmartConnect is cloud monitoring through an ethernet port. The SRT3000RMXLI is a rack UPS aimed at managed IT rooms, so SmartSlot with a dedicated NMC is the better route for most business racks.
At 2AM, this is what matters: the rack switches to battery, the UPS logs the event, the IT team receives an alert, and servers can shut down cleanly based on policy instead of crashing when the battery reaches zero. For offices running accounting servers, virtual machines, CCTV storage, PABX, Etisalat or du routers, and core switching, that alert can save the morning.
Core specifications
| Specification | Detail |
|---|---|
| Model | APC SRT3000RMXLI |
| Capacity | 3000VA / 2700W |
| Topology | Online Double Conversion |
| Form Factor | Rack mount, 2U |
| Output Waveform | Pure sine wave |
| Transfer Time | Zero transfer time |
| Outlets | IEC outlets — final C13/C19 count to verify on APC datasheet before publishing |
| Network Monitoring | SmartSlot support, AP9640 optional |
| External Battery Pack | SRT96RMBP for extended runtime |
| Replacement Battery | APCRBC152 — verify before publishing |
Stock & Availability: APC SRT3000RMXLI available in Dubai. Same-day quote in AED on WhatsApp. VAT breakdown and delivery included. Supply and installation across all 7 UAE emirates. Volume pricing for 5+ units.
Runtime in Dubai server rooms
The SRT3000RMXLI is designed to protect the rack and give enough time for clean shutdown, not to run a server room for hours on internal batteries. At a light load, runtime can be comfortable. At a heavy 2kW rack load, runtime becomes short. That is normal for a 2U online UPS.
For planning in Dubai, do not size runtime from the best laboratory number. Size it from the real rack load, the room temperature, and the battery age. A rack drawing 900W behaves very differently from a rack drawing 1900W. A cooled server room behaves very differently from a back-office rack with poor airflow.
In most Dubai installations, the SRT3000RMXLI is used for controlled shutdown during a power event, generator changeover, or DEWA disturbance. If you need longer runtime, add the APC SRT96RMBP external battery pack. That is the correct external battery pack route for SRT 2200VA and 3000VA rack models.
Battery life in Dubai is usually 2 to 3 years. A cooled rack room may do better. A warm store room, warehouse office, or electrical room can be worse. Heat is the battery killer. Server room cooling is not just for servers; it protects the UPS batteries too.
Need more than shutdown time?
Add the SRT96RMBP external battery pack if the rack must stay online longer. For 30 minutes or more, send the real watt load, number of servers, and required runtime. We size from watts, not from guesswork.
SRT3000RMXLI vs SRT2200RMXLI vs SRT6KRMXLI
The SRT3000RMXLI sits in the middle of APC’s rack SRT range. It is the right choice when a 2200VA unit is too small, but a 6kVA UPS is more than the rack needs.
Choose the SRT2200RMXLI if your real load is modest and stays well below 1400W. It is suitable for a small rack with one server, one switch, firewall, router, and light storage.
Choose the SRT3000RMXLI when the rack load is up to about 1890W using the 70% design rule. This is a common fit for one or two servers, storage, firewall, core switch, Etisalat or du handoff, and a small rack console.
Step up to the SRT6KRMXLI if your rack is already above 1900W, if you expect more servers within 12 months, or if the load includes high PoE switching. A UPS should have breathing room. Running it near the top all day shortens runtime and leaves no margin for growth.
Decision guide
Below 1400W, look at SRT2200RMXLI. Around 1400W to 1890W, SRT3000RMXLI is the safer fit. Above 1900W, plan for SRT6KRMXLI or a larger UPS system. Always measure the rack load before ordering.
Outlets, rack mounting, and shutdown setup
The SRT3000RMXLI uses IEC output connections for rack equipment. Most servers, storage devices, firewalls, and switches already use IEC power leads, so installation is clean inside a rack. For mixed UAE plug loads, the right PDU or adapter plan should be confirmed before delivery.
As a 2U rack UPS, it should be mounted on proper rails and placed low in the rack because of weight. Do not mount it high above switches. UPS weight belongs near the bottom for rack balance and service access.
Vector Dubai installation includes rack mounting, power connection, load test, runtime check, PowerChute setup where required, and optional network monitoring through APC AP9640. For the wider UPS range, see our UPS system Dubai page.
Supply and installation: We do not drop the box and leave. The UPS is mounted, connected, tested under load, and checked against the real rack load. PowerChute and network alerts can be configured during installation.
Pricing, supply, and installation in Dubai
APC SRT3000RMXLI pricing is quoted in AED on request. We include VAT breakdown, delivery, and installation scope in the quote. No fixed price is shown here because stock cost, project quantity, battery pack requirements, and installation location can change the final number.
Vector Dubai is an authorised APC/Schneider Electric supplier and installer. We have supplied and installed APC UPS systems in the UAE since 2010. For procurement teams, we provide official quotation, company documents, warranty details, and delivery schedule.
Get a quote for APC SRT3000RMXLI
Dubai stock check · Same-day AED quote · Supply and installation · Rack load sizing
Frequently asked questions
My rack load is 1600W. Do I need SRT3000RMXLI or SRT6KRMXLI?
SRT3000RMXLI is suitable for a 1600W rack because it stays under the 1890W design limit based on the 70% rule. If you expect to add more servers or high PoE switches soon, step up to SRT6KRMXLI.
Can the SRT3000RMXLI run a server rack through a full power outage?
Not by itself for a long outage. The internal battery is mainly for clean shutdown and short events. Add SRT96RMBP external battery packs if the rack needs longer runtime.
What is the replacement battery for APC SRT3000RMXLI?
The replacement battery module should be checked against the UPS serial and APC battery chart before ordering. For this page, APCRBC152 is the working replacement reference and should be confirmed at quote stage.
SRT3000RMXLI vs SRT3000XLI — what is the difference?
SRT3000RMXLI is the rack mount 2U version. SRT3000XLI is the tower version. Both are 3000VA class online double conversion UPS systems, but the rack model is built for server cabinets.
Does Vector Dubai install the SRT3000RMXLI on the same day?
For available stock in Dubai, same-day or next-day installation can be arranged depending on schedule and site access. Send the rack location, load details, and whether rail mounting is required.
Is this covered under APC warranty in the UAE?
Yes. Units supplied by Vector Dubai come with Schneider Electric UAE warranty support. Battery warranty terms are handled separately from the UPS electronics.
Does this UPS help with Dubai voltage dips?
Yes. Online double conversion isolates the load from incoming voltage problems by regenerating clean output power through the inverter. This is useful in older buildings, free zones, and sites with generator changeover.
Who is the supplier of APC SRT3000RMXLI in Dubai?
Vector Dubai is an authorised APC/Schneider Electric supplier and installer in Dubai. We supply the SRT3000RMXLI with installation, warranty support, load testing, PowerChute setup, and optional AP9640 monitoring.
What is the best 3000VA rack UPS for a server room in Dubai?
For a rack that needs zero transfer time, pure sine wave output, and 2700W capacity, the APC SRT3000RMXLI is a strong 3000VA rack choice. For loads above 1900W, move to SRT6KRMXLI.
Can Vector Dubai export SRT3000RMXLI outside the UAE?
Yes. Export quotes are available on FOB Dubai basis with invoice, packing list, and certificate of origin. Share the country, quantity, and battery pack requirement for pricing.
UAE coverage
Vector Dubai supplies and installs APC SRT3000RMXLI across Dubai, Abu Dhabi, Sharjah, Ajman, Ras Al Khaimah, Fujairah, and Umm Al Quwain.
We also serve DMCC, DIFC, Dubai Internet City, Dubai Media City, Jebel Ali Free Zone, ADGM, and Masdar City. Multi-site projects can be handled under one quote for IT teams managing more than one office or branch.
Export from Dubai
Vector Dubai exports APC UPS systems from Dubai to businesses, resellers, and project contractors across the Middle East, Asia, and Africa. FOB Dubai pricing is available for SRT3000RMXLI, SRT battery packs, replacement batteries, and APC network management cards.
We supply to Saudi Arabia, Oman, Pakistan, Azerbaijan, Bahrain, Tajikistan, Uzbekistan, Qatar, Maldives, Kazakhstan, Kuwait, Jordan, Sri Lanka, Turkmenistan, Kyrgyzstan, Bangladesh, and Iraq.
For East and Southern Africa, export destinations include Egypt, Malawi, Djibouti, Ethiopia, Burundi, Madagascar, Mauritius, Rwanda, Comoros, Kenya, Sudan, Zambia, Angola, Uganda, Tanzania, Mozambique, and Zimbabwe.
For West Africa, we supply Ghana, Mauritania, Mali, Burkina Faso, Senegal, Liberia, Nigeria, Gambia, and Ivory Coast. Export documentation includes commercial invoice, packing list, and certificate of origin.
About Vector Dubai — Authorised APC/Schneider Electric Supplier
Vector Dubai is an authorised supplier and installer of APC UPS systems in Dubai, UAE, supplying the APC SRT3000RMXLI with installation, PowerChute configuration, load testing, battery replacement support, and optional network management setup across all 7 UAE emirates. Full Schneider Electric UAE manufacturer warranty. Export to Middle East and Africa — FOB Dubai pricing on request. Operating since 2010. Contact: +971 4 450 4145 · sales@vdsae.com · Monday–Saturday 8AM–6PM.
Related APC products
APC SRT2200XLI — step down for smaller online UPS loads.
APC SRT3000XLI — tower version of the 3000VA SRT UPS.
APC SRT96RMBP — external battery pack for extended runtime.
APC AP9640 — network management card for SmartSlot UPS monitoring.
APC APCRBC152 — replacement battery reference for quote confirmation.
UPS System Dubai — APC UPS supply and installation hub.


































































































