APC SURT8000XLI Smart-UPS RT 8000VA Online UPS

Overview

The APC SURT8000XLI is a high-density Smart-UPS RT online uninterruptible power supply rated at 8000VA / 6400W, purpose-built for facilities where even a momentary interruption of clean power can shut down a production line, corrupt a database, or trip a safety system. Unlike standby or line-interactive units, the SURT8000XLI uses true double-conversion online topology – it continuously regenerates AC output from a DC bus, so critical loads never experience a transfer time, voltage sag, or frequency drift, regardless of what the incoming utility feed is doing. This makes it the reference choice for data centers, control rooms, industrial automation cabinets, and telecom shelters that cannot tolerate even a 4–6 millisecond switchover.

Working closely with plant engineers in the region, Seven Star LLC proudly supplies the SURT8000XLI to industrial, oil & gas, and data infrastructure clients across the Sultanate. Buyers across Muscat, Sohar, and Salalah can source APC Smart-UPS hardware through Seven Star LLC with a formal quotation and the manufacturer datasheet.

Operating Principle

The SURT8000XLI rectifies incoming AC utility power to a regulated DC bus, charges its internal VRLA (valve-regulated lead-acid) battery string from that same bus, and then inverts the DC back to a clean sine-wave AC output continuously – a process called double conversion. Because the inverter is always the source of the output waveform, the load is fully isolated from raw utility disturbances: sags, surges, brownouts, harmonic distortion, and frequency variation are all corrected before the power ever reaches the connected equipment. When utility power fails entirely, there is no switchover event at all – the inverter simply continues drawing from the battery bus instead of the rectifier, which is why online UPS topology is specified as zero-transfer-time.

This architecture has direct practical consequences for industrial buyers. Because the output is synthesized rather than merely switched, the SURT8000XLI can correct for the wide voltage swings common on Omani distribution networks without dropping to battery unnecessarily, extending battery life and reducing wear cycles. The unit’s internal double-conversion efficiency, factory power factor correction, and pure sine-wave output also make it safe for sensitive loads such as PLCs, SCADA servers, VFDs, and medical or laboratory instrumentation that malfunction on stepped-approximation waveforms from lower-tier UPS designs.

Engineering Design of the APC SURT8000XLI

Physically, the SURT8000XLI is built as a 6U rack-mountable or tower-convertible chassis measuring approximately 663mm (D) × 432mm (H) × 263mm (W) and weighing roughly 111kg, reflecting the substantial internal transformer and battery mass required at this power density. The rear panel provides four IEC 60320 C13 outlets, six IEC jumper outlets, and four IEC 60320 C19 outlets, giving integrators flexibility to feed a mix of server, network, and industrial-control loads directly without external distribution units. A DB-9 RS-232 port and an RJ-45 10/100Base-T network management slot support integration with building management systems and remote monitoring platforms, while the SmartSlot accessory bay accepts APC’s Network Management Card for SNMP-based alerting.

The front panel LCD display provides real-time readouts of load percentage, input/output voltage, battery runtime remaining, and fault codes, letting maintenance staff diagnose power events without a laptop. Internally, the sealed VRLA battery modules are hot-swappable and front-accessible, so a technician can replace a degraded battery string without powering down connected equipment – a critical feature for facilities running 24/7 process control. The extended-runtime architecture also supports external battery packs for sites needing longer ride-through than the roughly 6-minute full-load internal runtime.

Key Features

The APC SURT8000XLI combines power density, protection quality, and serviceability in a single 6U footprint. Its core capabilities include:

• True online double-conversion topology delivers zero-transfer-time protection with no switchover delay during utility failure.
• 8000VA / 6400W output capacity supports dense server racks, industrial control panels, and mixed IT/OT loads from one unit.
• Pure sine-wave output on both mains and battery power protects sensitive PLCs, VFDs, and SCADA hardware from waveform-related faults.
• Wide input voltage window corrects Gulf-grid sags and surges without unnecessary battery discharge cycles.
• Hot-swappable, front-accessible VRLA battery modules allow maintenance without interrupting connected loads.
• Integrated RJ-45 network port and SmartSlot bay enable SNMP monitoring and building management system integration.
• Flexible outlet configuration with IEC C13, C19, and jumper receptacles simplifies mixed-load distribution.
• Rack or tower convertible 6U chassis fits standard 19-inch enclosures used across Omani data and control rooms.

Industrial Applications

Facilities across Oman’s oil & gas, petrochemical, and manufacturing sectors depend on the SURT8000XLI to protect programmable logic controllers, SCADA servers, and network infrastructure from the voltage instability common on long feeder lines to remote well sites and processing plants. In data center and telecom environments across Muscat, the unit’s rack-mountable form factor and zero-transfer-time output make it the standard choice for protecting core switching and server infrastructure where even a few milliseconds of interruption can trigger a costly failover event. District cooling plants, desalination facilities, and hospital critical-power rooms in the Sohar and Salalah economic zones also specify online double-conversion UPS units of this class for life-safety and process-continuity loads.

With fast quotation turnaround and technical support, Seven Star LLC supplies the SURT8000XLI and replacement battery modules on request, with lead time confirmed at quotation. Our instrumentation and power division regularly supports system integrators specifying UPS backbone for automation cabinets, control rooms, and telecom shelters throughout the Sultanate, pairing the SURT8000XLI with compatible extended battery packs and network management cards sourced through the same traceable supply chain.

Technical Specifications

The table below summarizes the core electrical, physical, and interface specifications of the SURT8000XLI as published by the manufacturer.

Request a Quote for APC SURT8000XLI Smart-UPS RT 8000VA Online UPS

Seven Star LLC is ready to process formal RFQs for the APC SURT8000XLI Smart-UPS RT 8000VA online UPS, with lead time confirmed at quotation and full technical datasheets available on request. With engineering support in Muscat, we supply every unit on request with manufacturer documentation and local technical support. Contact our instrumentation and power division today to request a quotation, verify lead times, and confirm compatibility with your rack, SNMP monitoring, and extended-runtime requirements.

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