How do the input/output voltage, outlet mix, and power quality specs compare?

The Vertiv GXT5-3000LVRT2UXL is designed for 120V AC infrastructure. Its NEMA L5-30P input accepts 60–150V AC and its seven outlets — one NEMA L5-30R twist-lock and six NEMA 5-20R standard receptacles — serve standard North American 120V equipment directly. Output voltage is user-configurable at 110, 115, 120, or 125 VAC ±3%, and output frequency in battery mode is held to ±0.1 Hz. Power factor is 0.9, matching the 3000VA / 2700W rating.

The APC SRT3000XLT operates on 208V AC infrastructure, with a NEMA L6-20P input that also accepts 240V. Its output — two NEMA L6-20R receptacles and one NEMA L6-30R — is configurable for 208V or 240V nominal. It shares the same 3000VA / 2700W capacity and online double-conversion topology. Harmonic distortion is specified at less than 2%; crest factor is rated 3:1. Output frequency synchronizes to mains at ±3 Hz.

These two units are not interchangeable on voltage: the GXT5-3000LVRT2UXL is a 120V product and the SRT3000XLT is a 208/240V product. Buyers must match the UPS to their facility's branch circuit voltage. The Vertiv offers more outlet count (7 vs. 3) and finer frequency regulation in battery mode (±0.1 Hz vs. ±3 Hz sync-to-mains), while the APC specifies explicit harmonic distortion (<2%) — a figure not provided in the Vertiv spec sheet.

How do battery architecture, runtime extensibility, and recharge specs differ?

Both units use valve-regulated lead-acid (VRLA) batteries and advertise approximately 3 hours to recharge. The Vertiv GXT5-3000LVRT2UXL uses hot-swappable VRLA batteries and supports runtime scaling through external battery cabinets (EBCs). It includes temperature-compensated charging and end-of-life battery detection. Specific internal battery voltage and VAh capacity are not listed in the provided specifications.

The APC SRT3000XLT ships with one included battery module at 96V / 497 VAh and supports up to ten SRT96BP external battery packs, scaling total runtime capacity to a documented maximum of 10,437 VAh. Battery life is estimated at 3–5 years, and the replacement battery is identified as APCRBC152 / SRT96RMBPUS. Battery charge power is rated at 165W.

The APC provides significantly more granular runtime extensibility data — eight documented expansion steps with specific VAh values per pack — giving buyers precise runtime planning capability. The Vertiv's EBC scalability is confirmed but not quantified in the provided spec sheet. Both offer hot-swap capability; the Vertiv explicitly states this, while the APC's modular battery architecture implies it. Buyers requiring documented, pre-engineered runtime tables will find the APC spec more immediately useful for project design.

What connectivity, network management, and environmental monitoring capabilities does each unit offer?

The Vertiv GXT5-3000LVRT2UXL provides USB and RS-232 serial ports as standard interfaces. Network management is available via optional Intellislot expansion cards supporting SNMP, Modbus, and BACnet — protocols relevant to IT network management, building automation, and industrial control environments respectively. The unit includes a front-panel LCD for local status and configuration. Management software compatibility includes Vertiv Environet and the open-source NUT (Network UPS Tools). Load segmentation is available through programmable outlet groups with independent control. An Emergency Power Off (EPO) input is included.

The APC SRT3000XLT specification as provided does not enumerate USB, serial, or network management card slots beyond noting one free expansion slot. Audible and visible alarms with severity prioritization are specified. The IP protection rating is IP20. Specific management software compatibility, SNMP card options, or EPO provisions are not listed in the provided specifications.

Based on the specifications provided, the Vertiv carries a more fully documented management stack: named expansion card protocols (SNMP, Modbus, BACnet), named software platforms, programmable outlet group control, and an EPO input. The APC's one free expansion slot suggests network card compatibility consistent with the broader Smart-UPS On-Line SRT platform, but those details are absent from the provided spec data and cannot be assumed for this comparison.

Which should you choose: the GXT5-3000LVRT2UXL or the SRT3000XLT?

Our take: The GXT5-3000LVRT2UXL is the stronger choice when the installation runs on 120V AC branch circuits and requires granular management protocol support — specifically SNMP, Modbus, or BACnet via Intellislot — along with programmable outlet group control and an EPO input. Key spec deltas: the Vertiv operates at 120V with 7 outlets (vs. the APC's 208/240V with 3 outlets), its battery-mode frequency regulation is tighter at ±0.1 Hz versus the APC's ±3 Hz sync-to-mains, and its audible noise is rated at less than 45 dBA versus the APC's 55 dBA. The SRT3000XLT is the appropriate selection for 208/240V three-phase-derived or high-density data center circuits, and its eight documented SRT96BP expansion steps provide quantified runtime planning the Vertiv spec sheet does not match. Choose the Vertiv for 120V IT closets with building-automation or open-source NMS requirements; choose the APC for 208V data center rows requiring documented, scalable runtime tables.

Side-by-Side Comparison

Spec-for-spec, from manufacturer data.

Frequently Asked Questions

Related Resources

• Vertiv GXT5-3000LVRT2UXL product page — full specs and to add to a quote
• APC by Schneider Electric SRT3000XLT product page — full specs and to add to a quote