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Brand: APC
APC SRT3000XLI Smart-UPS SRT 3000VA Online UPS
Description
Overview
APC SRT3000XLI is a genuine APC Smart-UPS SRT 3000VA/2700W online double-conversion uninterruptible power supply, part of APC by Schneider Electric’s premium 230V tower UPS range built for servers, network racks, and light industrial control panels that cannot tolerate any transfer time on power loss. The APC SRT3000XLI delivers true zero-transfer-time protection with a pure sine-wave output, an LCD status display, and SmartSlot connectivity for network management cards, making it a standard specification on mission-critical racks across the region.
Backed by manufacturer datasheet documentation, Seven Star LLC proudly supplies the APC SRT3000XLI to data centers, telecom operators, and industrial control rooms across Oman and the wider GCC. Seven Star LLC supplies the APC SRT3000XLI on request with manufacturer documentation and technical support with selection for Oman’s high-ambient-temperature environments.
Working Principle
The APC SRT3000XLI is an online double-conversion UPS: incoming AC power is continuously rectified to DC and then re-inverted to a clean, regulated AC output, so the connected load is never exposed to raw utility power. Because the inverter is always running from the DC bus, switching to battery on a utility outage is truly instantaneous — there is no transfer relay to operate and therefore no transfer time, unlike line-interactive designs that must detect a fault and switch within milliseconds. This makes the APC SRT3000XLI suitable for sensitive server, storage, and industrial control loads that treat even a brief voltage dropout as a fault condition.
The double-conversion topology also gives the APC SRT3000XLI full output voltage and frequency regulation independent of input quality, so it continuously corrects for the voltage sag, surge, and frequency variation common on generator-backed and long-feeder utility circuits in industrial sites. This isolation protects downstream electronics from harmonic distortion and voltage transients that a simple line-interactive UPS would pass through to the load.
Engineering Design of the APC SRT3000XLI
The APC SRT3000XLI ships as a rack/tower convertible unit with an LCD interface showing load percentage, battery status, output voltage, and operating mode at a glance, plus a SmartSlot bay for optional Network Management Card 3 connectivity for remote monitoring and shutdown automation. The unit provides eight IEC C13 and two IEC C19 output receptacles, supporting a mixed load of servers, switches, and PDUs from a single UPS without external distribution.
Internally, the APC SRT3000XLI uses a sealed valve-regulated lead-acid battery pack with hot-swappable, tool-free replacement, so batteries can be serviced without powering down connected equipment. Extended runtime is supported through APC’s external battery pack range for sites that need protection well beyond the standard internal runtime, and the unit’s rack ears convert it between tower and 2U-equivalent rack-mount orientation without additional hardware.
Key Features
The APC SRT3000XLI is specified by data center and industrial control teams for the following reasons:
- True online double-conversion topology delivers zero transfer time and a pure sine-wave output regardless of utility power quality.
- 3000VA/2700W capacity with eight IEC C13 and two IEC C19 outlets supports mixed server, network, and PDU loads from one unit.
- SmartSlot bay accepts the APC Network Management Card 3 for SNMP monitoring, remote shutdown, and environmental sensor integration.
- Hot-swappable, tool-free battery replacement minimizes maintenance downtime on connected loads.
- Rack/tower convertible chassis fits both server-room racks and freestanding industrial control room deployments.
- Compatible with APC external battery packs for extended runtime beyond the internal battery capacity.
- Contact Seven Star LLC for a quotation and current lead time for the APC SRT3000XLI Smart-UPS SRT 3000VA Online UPS.
Industrial Applications
The APC SRT3000XLI protects server racks, PLC and SCADA control cabinets, and telecom equipment shelters across Oman’s oil and gas facilities, as well as network and building-management racks in hospitality chains, hospital complexes, and commercial towers in Muscat, Sohar, and Salalah. Facility teams specify the APC SRT3000XLI wherever a control loop or IT system cannot tolerate even a millisecond of transfer time, such as DCS marshalling cabinets, RO desalination control rooms, and district cooling plant network racks.
Working closely with plant engineers in the region, Seven Star LLC supplies the APC SRT3000XLI and the full Smart-UPS SRT range to system integrators, EPCs, and IT infrastructure teams throughout the Sultanate of Oman and the GCC, with replacement batteries sourced on request for both planned refreshes and battery replacement.
Technical Specifications
Key specifications for the APC SRT3000XLI online double-conversion UPS:
| Parameter | Specification |
|---|---|
| Model | APC SRT3000XLI |
| Topology | Online double-conversion |
| Capacity | 3000VA / 2700W |
| Input Voltage | 230V, 50/60Hz |
| Output Receptacles | 8x IEC C13, 2x IEC C19 |
| Form Factor | Rack/Tower Convertible (SmartSlot enabled) |
| Battery | Sealed VRLA, hot-swappable, tool-free |
| Management | LCD display; optional Network Management Card 3 via SmartSlot |
| Manufacturer | APC by Schneider Electric |
Request a Quote for APC SRT3000XLI Smart-UPS SRT 3000VA Online UPS
Seven Star LLC accepts formal RFQs for the APC SRT3000XLI online UPS from procurement teams, system integrators and facility management departments across Oman and the GCC. We supply APC by Schneider Electric products in the region and source this UPS and replacement batteries on request to support both planned IT refreshes and other power-protection needs, with the full technical datasheet available on request. Contact our power protection division to confirm configuration, request current lead time, or submit a quotation request for the SRT3000XLI or any other genuine APC Smart-UPS model.
Browse the full APC range or see more UPS and Batteries products supplied by Seven Star LLC in Oman and the GCC.
APC SRT3000XLI key ratings from the manufacturer data
The table below lists the main values that Schneider Electric publishes for the APC SRT3000XLI. Use it to check the model against your load, rack or room before you request a quotation.
| Product range | Smart-UPS On-Line |
| Product type | Uninterruptible power supply (UPS) |
| UPS topology | On-Line |
| Maximum output (VA) | 3000 VA |
| Maximum output (W) | 2700 W |
| Battery voltage | 96 V |
| Battery type | Lead-acid internal included |
| Replacement battery cartridge | APC APCRBC152 |
| Number of battery cartridges | 1 |
| Typical recharge time | 3 h |
| Expected battery life | 3 to 5 year(s) |
| Surge energy rating | 340 J |
| Mounting | Tower |
| Height | 432 mm |
| Width | 85 mm |
| Depth | 635 mm |
| Operating temperature | 0 to 40 °C |
Battery replacement and runtime for the APC SRT3000XLI
The SRT3000XLI takes APC APCRBC152 replacement battery cartridge. Keeping one cartridge in stock shortens the downtime when the UPS self-test reports a weak battery. Schneider Electric gives an expected battery life of 3 to 5 years for this model, and a typical recharge time of 3 hours after a discharge. Temperature has the largest effect on that figure: as a rule of thumb, the life of a sealed lead-acid battery roughly halves for every 10 °C above 25 °C. In Oman, a UPS in an air-conditioned room held at 20 to 25 °C will need far fewer battery replacements than one in a hot plant room or a site cabin. Runtime can be extended with up to 10 APC SRT96RMBP external battery packs, according to the manufacturer.
Looking after several APC units? Our APC UPS replacement battery finder lists the official cartridge and quantity for more than 340 APC models.
Ordering the APC SRT3000XLI for sites in Oman
To quote the SRT3000XLI quickly and correctly, please include:
- The connected load in watts and VA, with some margin below the 3000 VA / 2700 W rating
- The runtime you need at that load, so the battery configuration can be checked
- Input and output connections and the number of outlets required at the site
- Monitoring needs: USB, a network management card or integration with a BMS or SCADA system
- Where the UPS will be installed and the room temperature (the manufacturer operating range is 0 to 40 °C)
- Whether a spare replacement battery cartridge should be supplied with the unit
Send these details with the Request for Quotation button on this page. Seven Star LLC supplies APC by Schneider Electric equipment as an independent supplier and delivers across Oman, with shipment to other GCC countries on request.
More APC SRT models in our catalogue: APC SRT3000RMXLI, APC SRT3000RMXLW-IEC, APC SRT3000RMXLA, APC SRT3000UXI-LI and APC SRT3000UXI-NCLI.
Datasheets & Documents
- Instruction Manual APC SRT3000XLI Smart-UPS SRT 3000VA Online UPS Manual Download
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About brand
APC is Schneider Electric's brand for uninterruptible power supplies, power distribution units, cooling and racks for IT and control systems. American Power Conversion was founded in 1981 by three engineers from MIT's Lincoln Laboratory and grew into one of the largest UPS makers in the world. Schneider Electric completed its acquisition of APC on 14 February 2007, combined it with MGE UPS Systems, and since 2011 APC has been a product brand of Schneider Electric.
Seven Star LLC lists APC uninterruptible power supplies from desktop Back-UPS units to modular Symmetra systems, together with battery packs and network cards, and sources them for sites in Oman.
APC company profile
Founded1981, USA, as American Power ConversionFoundersThree engineers from MIT Lincoln LaboratoryOwnershipSchneider Electric since 14 February 2007; an APC by Schneider Electric product brand since 2011Product familiesBack-UPS, Easy UPS, Smart-UPS line-interactive, Smart-UPS On-Line SRT and SRV, Galaxy three-phase UPS, rack PDUs, NetShelter racks, network management cards and EcoStruxure IT software
Milestones
1981: American Power Conversion is founded by three MIT Lincoln Laboratory engineers.2006: Schneider Electric announces the acquisition of APC on 30 October.2007: The acquisition is completed on 14 February; APC is combined with MGE UPS Systems.2011: APC becomes a product brand within Schneider Electric.
APC UPS families on this page
APC names its UPS lines by topology and size:
Back-UPS and Back-UPS Pro: line-interactive units for workstations and small loads, such as BX1600MI-MS and BR1600MISmart-UPS: line-interactive models with sine wave output, including SMT750I, SMC1000IC and the Smart-UPS X SMX3000HV with its SMX120BP external battery packSmart-UPS SRT and Smart-UPS RT: online double-conversion units, for example SRT2200XLI, SRT3000XLI, SRT5KRMXLI and SURT8000XLIEasy UPS Online: SRV2KILSymmetra LX and Symmetra PX: modular, scalable systems for larger loads
The AP9641 Network Management Card 3 adds remote monitoring to UPS models with a SmartSlot.
Where APC UPS systems are used
In industrial plants across the GCC, APC UPS units back up DCS and PLC cabinets, operator stations, SCADA servers, telecom racks, fire and gas panels and analyzer shelters. Online double-conversion models are normally chosen for control systems because the load is always fed through the inverter. Line-interactive units suit office IT and less critical loads.
APC products we list
FamilyExamplesUPS and BatteriesAP9641 Network Management Card 3, BR1600MI Back-UPS Pro 1600VA/960W, BX1600MI-MS Back-UPS 1600VA Tower UPS, SMC1000IC Line-Interactive UPS 1000VA 600W, SMC1500I Smart-UPS C 1500VA/900W, SMT750I Smart-UPS 750VA/500W Line-Interactive, SMX120BP Smart-UPS X 120V External Battery, SMX1500RMI2U Smart-UPS X 1500VA Rack/Tower and 9 more
Ordering APC UPS units and parts: what we need
Send the full SKU, for example SRT3000XLI, and not only the VA rating. The letters carry meaning: an I in the suffix marks a 230 V international model, XL an extended-run version that accepts external battery packs, and RM a rack-mount form. For a new requirement, give load in watts, input and output voltage, required runtime, tower or rack format, and the plug or hardwire arrangement. For batteries, send the UPS SKU and serial number so the correct replacement battery cartridge can be found in APC documentation.
Replacement batteries, battery packs and spares
Most APC service work is battery work. APC Replacement Battery Cartridges, sold under RBC and APCRBC numbers, are sets of sealed valve-regulated lead-acid blocks that arrive pre-wired with the connectors for the UPS models they are listed for, so a weak battery can be changed as one unit and, on hot-swap models, without switching the load off. Some newer cartridges carry an -LI suffix for lithium-ion versions. External battery packs extend runtime on XL and SRT models, and are chained to the UPS through the battery connector on the rear panel. To find the right cartridge, send the UPS SKU and serial number; the same UPS can use different cartridges across hardware revisions.
Modular and three-phase APC systems
Symmetra LX and Symmetra RM: single-phase modular UPS frames with hot-swappable power modules, battery modules and intelligence modules, so a failed module can be exchanged while the load stays on protected power.Symmetra PX: three-phase modular UPS for data rooms, built from power modules with N+1 redundancy and battery modules for runtime.Smart-UPS VT: three-phase double-conversion UPS for small data rooms and technical buildings.Silcon: large three-phase UPS based on delta conversion, still running in many plants and data centres; spare part kits are listed in levels (SPL1 to SPL4) so sites can hold the parts that match their service plan.Easy UPS On-Line (SRV): cost-focused double-conversion units, many with external battery pack support.
APC UPS in Oman and GCC conditions
Oman supplies 240 V single-phase and 415 V three-phase at 50 Hz, so international models with an I suffix (230 V nominal, adjustable to 240 V on most Smart-UPS units) are the usual choice. Heat is the main enemy: most APC UPS units are rated for operation up to 40 °C, while summer shade temperatures in Muscat and the interior pass 45 °C, and a lead-acid battery loses roughly half its service life for every 10 °C above 25 °C. Install UPS and batteries in a cooled room, keep filters clean in dusty inland sites, and size the standby generator with margin for UPS input and battery charging current.
All APC UPS systems, batteries and accessories on this site are grouped under UPS and Batteries, and the wider Schneider Electric range can be quoted together with them.
Facts checked against APC by Schneider Electric's published history, October 2026.
Browse APC products by category: UPS and Batteries.
Need a replacement battery for an APC UPS you already run? Use our APC UPS replacement battery finder to match the model to its official RBC cartridge.
FAQ
Questions about the APC SRT3000XLI Smart-UPS SRT 3000VA Online UPS
Answers from our engineering team on installation, compatibility and integration.
01What makes the APC SRT3000XLI different from a line-interactive UPS?
The SRT3000XLI uses true online double-conversion topology, so the inverter runs continuously from the DC bus and there is zero transfer time on a utility outage, unlike line-interactive UPS designs that must detect a fault and switch.
02How much load can the SRT3000XLI support?
The SRT3000XLI supports up to 3000VA/2700W across eight IEC C13 and two IEC C19 outlets, enough for a mixed server, switch, and PDU load from a single rack/tower unit.
03Can the battery be replaced without shutting down connected equipment?
Yes, the SRT3000XLI uses hot-swappable, tool-free battery packs that can be serviced while the UPS continues to power connected loads.
04Can runtime be extended beyond the internal battery?
Yes, the SRT3000XLI is compatible with APC external battery packs for sites that need longer ride-through than the standard internal runtime provides.
05Is Seven Star LLC an experienced supply partner for APC products?
Yes, Seven Star LLC is an experienced supplier of APC by Schneider Electric in Oman and the GCC, supplying genuine UPS units and batteries with local technical support.


















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