APC by Schneider Electric SRT6KRMXLT-IEC vs Vertiv GXT5-6000RT208: Specification Comparison
Both the APC Smart-UPS SRT6KRMXLT-IEC and the Vertiv GXT5-6000RT208 are rack-mount, double-conversion online UPS units in the 6 kVA class, targeting data centers, network closets, and critical IT infrastructure requiring pure sine-wave, zero-transfer-time power protection. This comparison evaluates their power and efficiency specifications, input/output electrical characteristics, and management and protection feature sets to help installers and IT buyers determine which unit better fits their deployment requirements.
In This Guide
- How do the power output capacity and electrical input/output characteristics compare?
- What surge protection, waveform quality, and output conditioning does each unit provide?
- What management interfaces, monitoring capabilities, and physical operating characteristics are specified?
- Which should you choose: the SRT6KRMXLT-IEC or the GXT5-6000RT208?
- Side-by-Side Specs
- FAQ
How do the power output capacity and electrical input/output characteristics compare?
The APC SRT6KRMXLT-IEC is rated at 6,000 VA / 6,000 W, yielding a unity (1.0) power factor. Its input operating voltage range is specified from 100 V to 275 V, with an input frequency window of 40–70 Hz, reflecting a broad tolerance for variable utility power. Output voltage is selectable between 208 V and 240 V at 50/60 Hz.
The Vertiv GXT5-6000RT208 is rated at 6,000 VA / 5,000 W per its model designation and product title, implying a 0.83 power factor. The provided spec sheet for this SKU is a family table listing multiple GXT5 models rather than a single-unit datasheet; no standalone input voltage range, input frequency tolerance, or output voltage specification is provided for the GXT5-6000RT208 specifically in the supplied data.
For buyers requiring a confirmed unity power factor and a wide input voltage window down to 100 V, the APC unit supplies complete, verifiable figures. The Vertiv unit's power factor and input tolerance cannot be confirmed from the available specifications.
What surge protection, waveform quality, and output conditioning does each unit provide?
The APC SRT6KRMXLT-IEC documents a surge energy rating of 480 J, a crest factor of 3:1, and an output voltage Total Harmonic Distortion (THD) of 2%. Waveform output is pure sine wave. The unit includes audible alarms, surge protection, and Emergency Power Off (EPO) capability.
The Vertiv GXT5-6000RT208 spec data supplied is a cross-model family table with no surge energy rating, crest factor, output THD, waveform type, EPO availability, or noise level listed for this specific SKU. These parameters are absent from the provided data and cannot be stated.
From the supplied specifications, the APC unit provides quantified, comparable surge and output conditioning metrics. The Vertiv unit's protection and conditioning specs at the individual SKU level are not available in the provided data, making a direct numerical comparison on this axis impossible.
What management interfaces, monitoring capabilities, and physical operating characteristics are specified?
The APC SRT6KRMXLT-IEC includes web-based management as a confirmed feature, enabling remote monitoring and control without requiring a separate network management card to be specified here. The unit's noise level is documented at 55 dB, providing a concrete acoustic figure relevant to open-floor or low-noise deployments.
The Vertiv GXT5-6000RT208 has no management interface, noise level, or accessory compatibility data present in the supplied specifications. The spec sheet provided is a family power-rating table only.
For IT teams prioritizing in-band remote management from the outset, the APC unit confirms web-based management in the provided specs. For the Vertiv unit, buyers would need to consult the full product datasheet to verify management options, as none are stated in the data provided here.
Which should you choose: the SRT6KRMXLT-IEC or the GXT5-6000RT208?
Our take: The SRT6KRMXLT-IEC is the stronger choice when the decision must rest entirely on the specifications provided. APC documents a unity power factor (6,000 VA / 6,000 W), while the Vertiv GXT5-6000RT208's model designation and title indicate 6,000 VA / 5,000 W — an 83% power factor that reduces usable watts by 1,000 W under full load. APC also specifies output voltage THD of 2% and a surge energy rating of 480 J; neither figure is present in the Vertiv's supplied spec data. Web-based management and EPO are confirmed on the APC; both are absent from the Vertiv data. That said, the Vertiv spec sheet provided is a family table, not a single-unit datasheet — critical parameters may exist in the full Vertiv documentation. Buyers considering the GXT5-6000RT208 should obtain the complete individual-SKU datasheet before ruling it out, particularly for deployments where Vertiv's service ecosystem or existing infrastructure integration is a factor.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | APC by Schneider Electric SRT6KRMXLT-IEC | Vertiv GXT5-6000RT208 |
|---|---|---|
| UPS Topology | Double-conversion (Online) | — |
| VA Rating | 6,000 VA | 6,000 VA |
| Watt Rating | 6,000 W | 5,000 W |
| Power Factor | 1.0 | 0.83 (derived from VA/W) |
| Waveform | Pure Sine | — |
| Input Voltage Range | 100 V – 275 V | — |
| Input Frequency | 40 – 70 Hz | — |
| Output Voltage | 208 V – 240 V | — |
| Output Frequency | 50/60 Hz | — |
| Surge Energy Rating | 480 J | — |
| Output Voltage THD | 2% | — |
| Crest Factor | 3:1 | — |
| Emergency Power Off (EPO) | Yes | — |
| Web-Based Management | Yes | — |
| Audible Alarms | Yes | — |
| Noise Level | 55 dB | — |
Frequently Asked Questions
Which should you choose: the SRT6KRMXLT-IEC or the GXT5-6000RT208?
The SRT6KRMXLT-IEC is the stronger choice when the decision must rest entirely on the specifications provided. APC documents a unity power factor (6,000 VA / 6,000 W), while the Vertiv GXT5-6000RT208's model designation and title indicate 6,000 VA / 5,000 W — an 83% power factor that reduces usable watts by 1,000 W under full load. APC also specifies output voltage THD of 2% and a surge energy rating of 480 J; neither figure is present in the Vertiv's supplied spec data. Web-based management and EPO are confirmed on the APC; both are absent from the Vertiv data. That said, the Vertiv spec sheet provided is a family table, not a single-unit datasheet — critical parameters may exist in the full Vertiv documentation. Buyers considering the GXT5-6000RT208 should obtain the complete individual-SKU datasheet before ruling it out, particularly for deployments where Vertiv's service ecosystem or existing infrastructure integration is a factor.
Which unit delivers more usable watts at full load — the SRT6KRMXLT-IEC or the GXT5-6000RT208?
Based on the supplied specifications, the APC SRT6KRMXLT-IEC is rated at 6,000 VA and 6,000 W, indicating a unity (1.0) power factor. The Vertiv GXT5-6000RT208's model designation and product title specify 6,000 VA / 5,000 W, indicating an 0.83 power factor and 1,000 fewer usable watts at full load. No additional wattage data for the Vertiv was present in the supplied specs.
Does either UPS support remote monitoring without adding extra hardware?
The APC SRT6KRMXLT-IEC explicitly lists web-based management as a built-in feature in the provided specifications. The Vertiv GXT5-6000RT208 has no management interface information in the supplied spec data — buyers should check the full Vertiv product datasheet to determine what management options are available and whether a separate network card is required.
Which unit handles a wider range of input utility voltages, making it more resilient to power fluctuations?
The APC SRT6KRMXLT-IEC specifies an input operating voltage range of 100 V to 275 V and an input frequency range of 40–70 Hz, documenting broad tolerance for variable utility conditions. No input voltage or frequency range is provided for the Vertiv GXT5-6000RT208 in the supplied specifications, so a direct comparison on this axis cannot be made from the available data.
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