APC by Schneider Electric SRT5KRMXLT-IEC vs Vertiv GXT5LI-5KL630RT3UXLN: Specification Comparison
Both the APC Smart-UPS SRT 5000VA RM 208V IEC (SRT5KRMXLT-IEC) and the Vertiv Liebert GXT5 Lithium-ion 5000VA 208V (GXT5LI-5KL630RT3UXLN) are 5000VA rack-mount, double-conversion online UPS units targeting data centers, server rooms, and critical infrastructure at the same power class. Both deliver 208V output and true sine-wave power, making them genuine cross-shop candidates for IT buyers evaluating protected power for rack-dense environments. This comparison examines power and efficiency specs, physical and environmental characteristics, and management and compatibility features.
In This Guide
- How do the power output, input tolerance, and battery chemistry compare between these two 5000VA UPS units?
- What are the physical footprint, weight, and operating environment constraints for each unit?
- How do the outlet types, input wiring, management features, and agency certifications differ?
- Which should you choose: the SRT5KRMXLT-IEC or the GXT5LI-5KL630RT3UXLN?
- Side-by-Side Specs
- FAQ
How do the power output, input tolerance, and battery chemistry compare between these two 5000VA UPS units?
The APC SRT5KRMXLT-IEC is rated at 5000VA / 4250W, while the Vertiv GXT5LI-5KL630RT3UXLN is rated at 5000VA / 4900W — a 650W real-power advantage for the Vertiv. For watt-heavy loads (dense compute, GPU servers), this 15% higher wattage capacity is operationally significant and means the Vertiv can support loads the APC would reject or run at higher utilization.
On input voltage tolerance, the APC specifies a wide 100V–275V operating range at 40–70 Hz, whereas the Vertiv specifies a narrower 200V–240V input range. The APC's broader input window makes it more resilient to upstream power quality issues and potentially better suited for internationally sourced or variable-quality utility feeds.
The Vertiv model designates lithium-ion battery chemistry (as indicated by 'LI' in its model number and IEC 62619 certification), which generally offers longer service life, faster recharge, and lighter weight compared to traditional VRLA batteries. The APC specification does not state battery chemistry, so a direct chemistry comparison cannot be made from provided specs alone.
What are the physical footprint, weight, and operating environment constraints for each unit?
Physical dimensions are only specified for the Vertiv: 5.25 in H × 16.9 in W × 35 in D, weighing 103 lbs. At 5.25 inches, this occupies 3U of rack space. APC does not provide height, width, depth, or weight in the supplied specifications, making a direct rack-footprint comparison impossible from available data.
Operating temperature is only documented for the Vertiv: 32°F to 104°F (0°C to 40°C), with a 10% derating noted at 50°C. No operating temperature range is provided in the APC specification. Buyers with hot-aisle containment or edge deployments running above 40°C should consult APC's datasheet directly before assuming suitability.
Noise level is specified only for the APC at 55 dB — relevant for deployments in semi-open office environments or co-located spaces. The Vertiv provides no acoustic rating in the supplied specs. The APC also lists a surge energy rating of 480 J and a crest factor of 3:1 with output voltage THD of 2%, none of which are disclosed in the Vertiv's provided specifications.
How do the outlet types, input wiring, management features, and agency certifications differ?
The APC SRT5KRMXLT-IEC provides IEC C13, IEC C19, and IEC Jumper outlets — a standard rack-PDU-compatible mix well suited to European and international equipment. The Vertiv GXT5LI-5KL630RT3UXLN uses an L6-30P input plug, indicating a North American twist-lock 208V receptacle. Output outlet types are not specified for the Vertiv in the provided specs, which limits load-planning comparison.
For management, the APC specifies web-based management, audible alarms, auto-restart, and surge protection — all confirmed in provided specs. The Vertiv specification does not mention any management interface, network card, or alarm feature in the provided data. Buyers requiring out-of-band monitoring should verify Vertiv's management options via separate documentation.
Agency compliance is extensively documented for the Vertiv: IEC 62040-1, IEC 62619 (lithium-ion safety), IEC 62040-2, IEC 61000-3-2, IEC 61000-3-12, CISPR 22 Class A, FCC Part 15 Class A, and UL 1778. The APC provides no agency certification data in the supplied specifications. For regulated environments (healthcare, government, data center compliance audits), the Vertiv's documented certification list provides an immediate audit trail.
Which should you choose: the SRT5KRMXLT-IEC or the GXT5LI-5KL630RT3UXLN?
Our take: The GXT5LI-5KL630RT3UXLN is the stronger choice when maximizing real-power capacity, battery longevity, and regulatory compliance documentation are the primary criteria. The Vertiv delivers 4900W versus the APC's 4250W — a 650W (15%) advantage that matters in watt-dense rack builds. Its lithium-ion chemistry (per IEC 62619 certification) typically yields longer battery service life and faster recharge than traditional VRLA. Its agency certification list (UL 1778, FCC Part 15, multiple IEC standards) is fully documented in the provided specs, while the APC offers none in the supplied data. Conversely, the SRT5KRMXLT-IEC is preferable when wide input voltage tolerance (100V–275V vs. 200V–240V), confirmed web-based management, IEC output receptacles, or international/variable-utility deployments are the deciding factors. Buyers should obtain APC's full datasheet to compare battery chemistry, certifications, and dimensions before finalizing.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | APC by Schneider Electric SRT5KRMXLT-IEC | Vertiv GXT5LI-5KL630RT3UXLN |
|---|---|---|
| UPS Topology | Double-conversion (Online) | — |
| Power Rating (VA) | 5000 VA | 5000 VA |
| Power Rating (W) | 4250 W | 4900 W |
| Output Waveform | Sine | — |
| Input Voltage Range | 100V–275V | 200V–240V |
| Input Frequency | 40–70 Hz | — |
| Output Voltage | 208V | 208VAC (default); 200–240VAC |
| Output Frequency | 50/60 Hz | — |
| Input Wiring / Plug | — | L6-30P |
| Output Outlet Types | C13, C19, IEC Jumpers | — |
| Battery Chemistry | — | Lithium-ion (IEC 62619 certified) |
| Surge Energy Rating | 480 J | — |
| Output Voltage THD | 2% | — |
| Noise Level | 55 dB | — |
| Web-Based Management | Yes | — |
| Agency Certifications | — | UL 1778, FCC Part 15 Class A, IEC 62040-1, IEC 62040-2, IEC 62619, IEC 61000-3-2, IEC 61000-3-12, CISPR 22 Class A |
| Operating Temperature | — | 0°C–40°C (10% derate at 50°C) |
| Weight | — | 103 lbs |
| Dimensions (H × W × D) | — | 5.25 in × 16.9 in × 35 in |
Frequently Asked Questions
Which should you choose: the SRT5KRMXLT-IEC or the GXT5LI-5KL630RT3UXLN?
The GXT5LI-5KL630RT3UXLN is the stronger choice when maximizing real-power capacity, battery longevity, and regulatory compliance documentation are the primary criteria. The Vertiv delivers 4900W versus the APC's 4250W — a 650W (15%) advantage that matters in watt-dense rack builds. Its lithium-ion chemistry (per IEC 62619 certification) typically yields longer battery service life and faster recharge than traditional VRLA. Its agency certification list (UL 1778, FCC Part 15, multiple IEC standards) is fully documented in the provided specs, while the APC offers none in the supplied data. Conversely, the SRT5KRMXLT-IEC is preferable when wide input voltage tolerance (100V–275V vs. 200V–240V), confirmed web-based management, IEC output receptacles, or international/variable-utility deployments are the deciding factors. Buyers should obtain APC's full datasheet to compare battery chemistry, certifications, and dimensions before finalizing.
Is the SRT5KRMXLT-IEC or GXT5LI-5KL630RT3UXLN better for high-wattage server loads?
Based on provided specs, the Vertiv GXT5LI-5KL630RT3UXLN is rated at 4900W versus the APC's 4250W. For watt-heavy loads such as GPU compute nodes or storage-dense servers, the Vertiv's 650W higher real-power ceiling provides more headroom before the UPS reaches capacity.
Which unit is better suited for international or variable-quality power environments?
The APC SRT5KRMXLT-IEC specifies an input operating range of 100V–275V at 40–70 Hz, which is significantly broader than the Vertiv's documented 200V–240V input range. For sites with unstable utility voltage or international deployments, the APC's wider input tolerance is a documented advantage.
Does either UPS support remote or web-based monitoring out of the box?
The APC SRT5KRMXLT-IEC explicitly lists web-based management, audible alarms, and auto-restart in its provided specifications. The Vertiv GXT5LI-5KL630RT3UXLN's provided specifications do not mention any management interface or network capability. Buyers requiring confirmed remote monitoring for the Vertiv should consult Vertiv's full product documentation.
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