Which unit offers broader input voltage and frequency compatibility for diverse facility power environments?

The APC SRT8KRMXLT-IEC accepts an exceptionally wide input voltage range of 100 V to 275 V and an input frequency window of 40–70 Hz. That flexibility means it can accept single-phase feeds ranging from nominal 100 V (common in Japan and parts of Asia) through North American 120/208 V up to European 230/240 V without any manual adjustment, making it a strong candidate for multi-region deployments or facilities with unstable utility feeds.

The Vertiv GXT5LI-8000GVRT3UXLN specifies an input voltage range of 200 V–240 V only, with hardwired input (L1-L2/N-G wiring). No input frequency window is listed in the provided specifications. The hardwired connection implies a dedicated circuit installation rather than a plug-and-receptacle approach, which suits permanent rack infrastructure but removes the quick-reconfiguration flexibility the APC's IEC inlet approach offers.

On output, the APC is rated for 208 V with a maximum output voltage spec of 208 V and outputs via C13/C19 IEC coupler receptacles — standard for North American 208 V IT loads. The Vertiv defaults to 230 VAC output but is user-configurable across 200–240 VAC within ±1%, making it the more appropriate choice for European or mixed 230 V IT environments. Output frequency for the Vertiv is not stated in the provided specs; the APC specifies 50/60 Hz auto-sensing output.

How do the units differ in physical footprint, weight, and battery technology for rack-space and long-term operating cost planning?

Physical dimensions are provided only for the Vertiv GXT5LI-8000GVRT3UXLN: 5.25 in H (3U) × 16.9 in W × 35 in D, weighing 105 lbs. No rack-unit height, width, depth, or weight figures are present in the provided APC SRT8KRMXLT-IEC specifications, so a direct dimensional comparison cannot be made from the data supplied.

A material differentiator is battery chemistry. The Vertiv model's name explicitly includes 'Lithium-ion,' meaning it uses Li-ion cells. Li-ion batteries typically offer a longer calendar life (often cited at 8–10 years vs. 3–5 for VRLA), reduced weight per watt-hour, and tolerance for wider temperature swings — though no specific battery runtime or life figure is provided in the specs for either unit. The APC SRT8KRMXLT-IEC specifications do not state battery chemistry, so this contrast is based solely on Vertiv's stated product designation.

Operating temperature is documented for the Vertiv at 32°F–104°F (0°C–40°C) with a 10% derating above 40°C (noted twice in the spec sheet). The APC specs do not include an operating temperature range in the provided data. The Vertiv's agency-approval list covers IEC 62619 (lithium battery safety), IEC 62040-1, IEC 62040-2, FCC Part 15 Class A, and UL 1778 — a comprehensive set for international deployment. APC compliance certifications are not listed in the provided specifications.

What monitoring, protection, and load-connection options does each unit provide for IT operations and ongoing management?

The APC SRT8KRMXLT-IEC documents several protection and management features directly in its specifications: web-based management is confirmed (Yes), Emergency Power Off (EPO) is included (Yes), and audible alarms are present (Yes). Surge protection is listed (Yes) with a surge energy rating of 480 J. Output voltage THD is specified at ≤2% and the crest factor at 3:1, both relevant metrics for sensitive electronic loads. Noise level is rated at 55 dB.

The APC's load connectivity is explicit: C13 and C19 IEC coupler output receptacles, which directly support standard IT power cords. Exact outlet counts per type are not in the provided spec data.

For the Vertiv GXT5LI-8000GVRT3UXLN, none of these management or protection sub-features (EPO, web management, audible alarms, surge joule rating, THD, crest factor, noise level, or output receptacle types/counts) are present in the provided specifications. The unit uses hardwired output — no receptacle types are listed. Buyers requiring receptacle-fed loads will need to verify the Vertiv's output termination options through Vertiv documentation outside what was supplied here.

Which should you choose: the SRT8KRMXLT-IEC or the GXT5LI-8000GVRT3UXLN?

Our take: The SRT8KRMXLT-IEC is the stronger choice when the installation demands wide input voltage tolerance, explicit web management, EPO, and IEC receptacle outputs for a North American 208 V environment. Its 100–275 V / 40–70 Hz input window dwarfs the Vertiv's 200–240 V range, its 480 J surge rating and ≤2% output THD are documented, and C13/C19 outlets provide plug-and-play load connection. The GXT5LI-8000GVRT3UXLN is the stronger choice when lithium-ion battery longevity, a user-configurable 200–240 VAC output suited to European or mixed 230 V environments, and a confirmed 3U / 105 lb physical envelope are the governing requirements. Many management and protection specs are absent from the Vertiv data provided, so buyers should obtain the full Vertiv datasheet before finalizing. Platform qualifier: APC fits multi-region or 208 V North American IT racks with plug-in loads; Vertiv fits hardwired European or 230 V data-center PDU applications where Li-ion cycle life reduces battery replacement cost.

Side-by-Side Comparison

Spec-for-spec, from manufacturer data.

Frequently Asked Questions

Related Resources

• APC by Schneider Electric SRT8KRMXLT-IEC product page — full specs and to add to a quote
• Vertiv GXT5LI-8000GVRT3UXLN product page — full specs and to add to a quote