APC by Schneider Electric SRT5KXLI vs APC by Schneider Electric SRT5KRMXLT-IEC: Specification Comparison
Both the SRT5KXLI and the SRT5KRMXLT-IEC are APC Smart-UPS SRT series double-rack-mount uninterruptible power supplies rated at 5000VA, targeting data centers, server rooms, and critical IT infrastructure. This comparison evaluates how they differ across power architecture, input/output electrical specifications, and management and protection capabilities — the three axes that most directly drive purchasing decisions for online double-conversion UPS units at this capacity tier.
In This Guide
- What is each unit's power conversion topology, output capacity, and waveform quality?
- How do input voltage range, output voltage, frequency, and outlet types compare for site integration?
- What surge protection, management interfaces, and alarm capabilities does each unit provide?
- Which should you choose: the SRT5KXLI or the SRT5KRMXLT-IEC?
- Side-by-Side Specs
- FAQ
What is each unit's power conversion topology, output capacity, and waveform quality?
The SRT5KRMXLT-IEC explicitly specifies a Double-conversion (Online) topology, meaning utility power is continuously rectified to DC and reinverted to AC, delivering zero transfer time during outages. Its output capacity is rated at 5 kVA / 4,250 W with a pure sine waveform, a crest factor of 3:1, and output voltage THD of 2% — figures that indicate clean power delivery suitable for sensitive loads.
The SRT5KXLI's topology is not stated in the provided specifications. Its output voltage is listed as 230V and input as 230V, but no topology type, wattage derating, waveform type, crest factor, or THD figure is provided. Buyers requiring confirmed double-conversion architecture for the SRT5KXLI must verify independently.
How do input voltage range, output voltage, frequency, and outlet types compare for site integration?
The SRT5KRMXLT-IEC accepts a wide input operating range of 100–275V at 40–70 Hz, making it compatible with a broad set of global supply conditions and reducing reliance on battery during voltage excursions. Its output is 208V at 50/60 Hz, with outlet types of C13, C19, and IEC Jumpers — a load-side configuration suited to rack PDUs and high-density server equipment.
The SRT5KXLI lists a fixed input voltage of 230V and output of 230V. No input voltage range (min/max) or input frequency range is provided in the supplied specs. Its outlet types are also not listed. For sites where input voltage tolerance or specific receptacle compatibility is a decision factor, the SRT5KXLI's specs as provided are insufficient to make a direct comparison.
What surge protection, management interfaces, and alarm capabilities does each unit provide?
The SRT5KRMXLT-IEC provides a documented surge energy rating of 480 J, audible alarms, web-based management, and auto-restart functionality. These features support remote monitoring, automated recovery after power restoration, and active notification of fault conditions — standard requirements for managed IT environments.
The SRT5KXLI's provided specifications do not include surge energy rating, alarm type, web-based management capability, or auto-restart. The included accessories list (CD with Software, Communication Cable, USB Cable, Temperature Probe) suggests management software exists, but no specific management interface or surge rating is confirmed in the supplied data. The temperature probe inclusion is a differentiator not listed for the SRT5KRMXLT-IEC.
Which should you choose: the SRT5KXLI or the SRT5KRMXLT-IEC?
Our take: The SRT5KRMXLT-IEC is the stronger choice when confirmed double-conversion topology, wide input voltage tolerance, and documented management features are required from the supplied specifications. The SRT5KRMXLT-IEC explicitly states Online double-conversion topology, an input range of 100–275V (vs. a single 230V input value for the SRT5KXLI), a 480 J surge rating (absent for the SRT5KXLI), and web-based management with auto-restart (not confirmed for the SRT5KXLI). The SRT5KXLI does include a temperature probe not listed for the SRT5KRMXLT-IEC, which may benefit thermal-monitoring use cases. However, because the SRT5KXLI's provided specs are materially incomplete — topology, wattage, waveform, input range, and outlet types are all absent — a fair head-to-head is constrained. Buyers evaluating the SRT5KXLI should obtain its full datasheet before comparing. For 208V North American rack environments, the SRT5KRMXLT-IEC's IEC outlet set and 208V output are the appropriate fit.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | APC by Schneider Electric SRT5KXLI | APC by Schneider Electric SRT5KRMXLT-IEC |
|---|---|---|
| SKU | SRT5KXLI | SRT5KRMXLT-IEC |
| Capacity (VA) | 5000 VA | 5000 VA |
| Output Power (W) | — | 4250 W |
| UPS Topology | — | Double-conversion (Online) |
| Waveform | — | Sine |
| Input Voltage | 230V | 100–275V |
| Output Voltage | 230V | 208V |
| Input Frequency | — | 40–70 Hz |
| Output Frequency | — | 50/60 Hz |
| Surge Energy Rating | — | 480 J |
| Output Voltage THD | — | 2% |
| Crest Factor | — | 3:1 |
| Noise Level | — | 55 dB |
| Outlet Types | — | C13, C19, IEC Jumpers |
| Web-Based Management | — | Yes |
| Auto-Restart | — | Yes |
| Audible Alarm | — | Yes |
| Temperature Probe Included | Yes | — |
| Battery Type | Lead-acid | — |
| Mounting Type | Rack Mount | Rack Mount |
| Color | Black | — |
Frequently Asked Questions
Which should you choose: the SRT5KXLI or the SRT5KRMXLT-IEC?
The SRT5KRMXLT-IEC is the stronger choice when confirmed double-conversion topology, wide input voltage tolerance, and documented management features are required from the supplied specifications. The SRT5KRMXLT-IEC explicitly states Online double-conversion topology, an input range of 100–275V (vs. a single 230V input value for the SRT5KXLI), a 480 J surge rating (absent for the SRT5KXLI), and web-based management with auto-restart (not confirmed for the SRT5KXLI). The SRT5KXLI does include a temperature probe not listed for the SRT5KRMXLT-IEC, which may benefit thermal-monitoring use cases. However, because the SRT5KXLI's provided specs are materially incomplete — topology, wattage, waveform, input range, and outlet types are all absent — a fair head-to-head is constrained. Buyers evaluating the SRT5KXLI should obtain its full datasheet before comparing. For 208V North American rack environments, the SRT5KRMXLT-IEC's IEC outlet set and 208V output are the appropriate fit.
Is the SRT5KXLI or SRT5KRMXLT-IEC better for a North American 208V data center rack deployment?
Based on the provided specifications, the SRT5KRMXLT-IEC is the appropriate fit for 208V North American environments. Its output voltage is listed as 208V and its outlets include C13, C19, and IEC Jumpers — standard for rack PDU connections. The SRT5KXLI is specified at 230V input and output, which aligns with international and European single-phase distribution, not 208V North American infrastructure.
Does either UPS confirm a double-conversion (online) topology in the provided specs?
Only the SRT5KRMXLT-IEC explicitly confirms a Double-conversion (Online) topology in the provided specifications. This means zero transfer time during a utility outage and continuous power conditioning. The SRT5KXLI's topology is not stated in the supplied spec data; buyers must consult APC's full datasheet for confirmation before assuming equivalent architecture.
Which unit includes a temperature probe, and does either support web-based management?
The SRT5KXLI's included accessories list specifies a Temperature Probe, which is not listed for the SRT5KRMXLT-IEC. Conversely, the SRT5KRMXLT-IEC explicitly confirms web-based management and auto-restart capability in its specifications. The SRT5KXLI's provided specs do not confirm web-based management, though the inclusion of a communication cable and software CD suggests some management capability — details not confirmed in the supplied data.
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