APC by Schneider Electric SRT8KXLI vs Vertiv GXT5LI-8000GVRT3UXLN: Specification Comparison
Both the APC Smart-UPS SRT8KXLI and the Vertiv Liebert GXT5LI-8000GVRT3UXLN are 8000 VA double-conversion (online) UPS units targeting critical infrastructure loads in data center, AV, and enterprise IT environments. They share the same power class and topology, making them genuine cross-shop candidates for buyers evaluating rack-mounted, line-interactive-free, always-inverting protection at the 8 kVA tier. Key differentiators span input flexibility, battery chemistry, physical footprint, and certification pedigree — each relevant to different deployment constraints.
In This Guide
- Which UPS handles a wider range of input power conditions?
- How do battery chemistry and physical size compare between these two units?
- Which unit offers stronger documentation for safety compliance and load protection?
- Which should you choose: the SRT8KXLI or the GXT5LI-8000GVRT3UXLN?
- Side-by-Side Specs
- FAQ
Which UPS handles a wider range of input power conditions?
The SRT8KXLI accepts a significantly broader input voltage window — 100 V to 476 V — versus the GXT5LI-8000GVRT3UXLN's 200 V–240 V range. This makes the APC unit substantially more tolerant of under-voltage conditions, brownouts, or facilities where incoming supply quality is variable. The APC unit also accepts a wider input frequency range (40–70 Hz), while no equivalent frequency specification is provided for the Vertiv unit.
The Vertiv GXT5LI-8000GVRT3UXLN uses hardwired input (L1-L2/N-G wiring), which is typical for higher-density rack installations where a permanently wired feed is standard practice. The APC SRT8KXLI's input connectivity method is not specified in the provided data. Buyers in facilities with fixed infrastructure wiring should confirm connector compatibility for the APC unit before specifying.
On output, the APC unit specifies a THD of 3% and a crest factor of 3:1 — both directly relevant to sensitive electronic loads. Neither output THD nor crest factor is provided for the Vertiv unit, leaving those load-quality metrics unconfirmed for the GXT5LI-8000GVRT3UXLN based on available data.
How do battery chemistry and physical size compare between these two units?
The Vertiv GXT5LI-8000GVRT3UXLN explicitly uses lithium-ion (Li-ion) battery technology, as stated in the product name and model descriptor. Li-ion chemistry typically delivers a longer service life, reduced weight per energy stored, and faster recharge times compared to traditional VRLA lead-acid batteries. The APC SRT8KXLI's battery chemistry is not specified in the provided data; buyers should verify this directly with the manufacturer if battery longevity or replacement cost is a primary concern.
Physical dimensions are provided only for the Vertiv unit: 5.25 in (H) × 16.9 in (W) × 35 in (D), weighing 105 lbs. The 5.25-inch height corresponds to a standard 3U rack profile. No dimensional or weight data is available for the APC SRT8KXLI in the provided specifications, making a direct rack-space comparison impossible from the data at hand.
The Vertiv unit operates from 32°F to 104°F (0°C to 40°C) with a 10% derating noted at 50°C — a clear thermal specification for enclosure and cooling planning. No operating temperature range is provided for the APC SRT8KXLI in the available data.
Which unit offers stronger documentation for safety compliance and load protection?
The Vertiv GXT5LI-8000GVRT3UXLN carries an explicit list of agency approvals: IEC 62040-1:2008+A1 2013, IEC 62619 1st Ed., IEC 62040-2 2nd Ed., IEC 61000-3-2, IEC 61000-3-12, CISPR 22 Class A, FCC Part 15 Class A, and UL 1778. This breadth of certification — including the Li-ion battery safety standard IEC 62619 — provides clear documentation for data center compliance audits, insurance requirements, and international deployments. No equivalent certifications list is provided for the APC SRT8KXLI in the available data.
The APC SRT8KXLI specifies an Emergency Power Off (EPO) function, a 480 J surge energy rating, audible alarms, and surge protection. These are confirmed, spec-listed features. The GXT5LI-8000GVRT3UXLN's surge energy rating, EPO capability, and audible alarm status are not specified in the provided data.
Output voltage on the Vertiv unit is configurable by the user across 200–240 VAC (±1%), defaulting to 230 VAC — useful in multi-standard facilities. The APC unit specifies an output range of 220–240 V with 50/60 Hz output frequency regulation, but user-configurability of output voltage is not confirmed in the available specs.
Which should you choose: the SRT8KXLI or the GXT5LI-8000GVRT3UXLN?
Our take: The SRT8KXLI is the stronger choice when input power quality is unpredictable or input voltage varies widely, given its 100–476 V input range versus the GXT5LI-8000GVRT3UXLN's 200–240 V window. The APC unit also provides confirmed output THD of 3% and a crest factor of 3:1 — useful guarantees for sensitive electronic loads — while the Vertiv unit leaves both unspecified. Conversely, the GXT5LI-8000GVRT3UXLN has a clear advantage in certification depth (UL 1778, IEC 62619 Li-ion safety, FCC Part 15, and six additional standards) and explicitly uses lithium-ion chemistry, which typically reduces long-term battery replacement costs. Physical footprint planning favors the Vertiv unit, where 3U / 105 lb dimensions are confirmed; the APC unit provides no dimensional data. Specify the SRT8KXLI for sites with variable input power; specify the GXT5LI-8000GVRT3UXLN where Li-ion runtime, hardwired installation, and documented regulatory compliance are the primary drivers.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | APC by Schneider Electric SRT8KXLI | Vertiv GXT5LI-8000GVRT3UXLN |
|---|---|---|
| UPS Topology | Double-conversion (Online) | Not specified in provided data |
| Power Rating (VA) | 8000 VA | 8000 VA |
| Power Rating (W) | 8000 W | 8000 W |
| Input Voltage Range | 100 V – 476 V | 200 V – 240 V |
| Input Frequency | 40 – 70 Hz | Not specified in provided data |
| Output Voltage Range | 220 V – 240 V | 200 – 240 VAC (user-configurable); default 230 VAC |
| Output Voltage Tolerance | Not specified in provided data | ±1% |
| Output Frequency | 50 / 60 Hz | Not specified in provided data |
| Output THD | 3% | — |
| Crest Factor | 3:1 | — |
| Surge Energy Rating | 480 J | — |
| Emergency Power Off (EPO) | Yes | — |
| Battery Chemistry | Not specified in provided data | Lithium-ion (Li-ion) |
| Agency Certifications | — | UL 1778, IEC 62040-1, IEC 62040-2, IEC 62619, IEC 61000-3-2, IEC 61000-3-12, CISPR 22 Class A, FCC Part 15 Class A |
| Dimensions (H × W × D) | — | 5.25 in × 16.9 in × 35 in |
| Weight | — | 105 lbs |
| Operating Temperature | — | 32°F – 104°F (0°C – 40°C); 10% derating at 50°C |
| Input Wiring | Not specified in provided data | Hardwired (L1-L2/N-G) |
| Audible Alarm | Yes | — |
| Output Phases | 1 | — |
| Output Waveform | Sine | Not specified in provided data |
Frequently Asked Questions
Which should you choose: the SRT8KXLI or the GXT5LI-8000GVRT3UXLN?
The SRT8KXLI is the stronger choice when input power quality is unpredictable or input voltage varies widely, given its 100–476 V input range versus the GXT5LI-8000GVRT3UXLN's 200–240 V window. The APC unit also provides confirmed output THD of 3% and a crest factor of 3:1 — useful guarantees for sensitive electronic loads — while the Vertiv unit leaves both unspecified. Conversely, the GXT5LI-8000GVRT3UXLN has a clear advantage in certification depth (UL 1778, IEC 62619 Li-ion safety, FCC Part 15, and six additional standards) and explicitly uses lithium-ion chemistry, which typically reduces long-term battery replacement costs. Physical footprint planning favors the Vertiv unit, where 3U / 105 lb dimensions are confirmed; the APC unit provides no dimensional data. Specify the SRT8KXLI for sites with variable input power; specify the GXT5LI-8000GVRT3UXLN where Li-ion runtime, hardwired installation, and documented regulatory compliance are the primary drivers.
Does the SRT8KXLI or GXT5LI-8000GVRT3UXLN use lithium-ion batteries?
The Vertiv GXT5LI-8000GVRT3UXLN explicitly uses lithium-ion (Li-ion) battery technology, as reflected in both its product name and model number. The APC SRT8KXLI's battery chemistry is not stated in the provided specifications; buyers should confirm this directly with APC before making a decision based on battery type.
Will either UPS work with my facility's wide voltage fluctuations?
The APC SRT8KXLI is specified to accept input voltages from 100 V to 476 V, making it substantially more tolerant of under-voltage, brownout, or variable-quality supply conditions. The Vertiv GXT5LI-8000GVRT3UXLN is rated for 200 V–240 V input only. If your facility experiences input voltage excursions outside the 200–240 V band, the SRT8KXLI's wider input window is a material advantage.
Which unit has more third-party safety certifications for data center deployments?
Based on available specifications, the Vertiv GXT5LI-8000GVRT3UXLN provides a detailed certifications list including UL 1778, IEC 62040-1, IEC 62040-2, IEC 62619 (Li-ion battery safety), IEC 61000-3-2, IEC 61000-3-12, CISPR 22 Class A, and FCC Part 15 Class A. No equivalent certifications list is provided in the available data for the APC SRT8KXLI. Buyers with strict compliance or audit requirements should request the full certification documentation from APC before specifying that unit.
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