APC by Schneider Electric SRT10KXLT vs APC by Schneider Electric SRTL10KRM4UT-5KTF2: Specification Comparison
Both the SRT10KXLT and SRTL10KRM4UT-5KTF2 are APC Smart-UPS double-conversion (online) UPS units rated at 10 kVA/10,000 W, serving the same power-capacity tier for critical IT and data center loads at 208 V. The SRT10KXLT is a tower/standalone unit from the Smart-UPS SRT line using traditional VRLA-style battery architecture, while the SRTL10KRM4UT-5KTF2 is a 4U rack-mount unit from the Smart-UPS Ultra line featuring lithium-ion batteries and bundled step-down transformer modules. This comparison covers the three dimensions that most affect buying decisions in this class: power architecture and battery technology, physical form factor and deployment flexibility, and connectivity and management features.
In This Guide
- How do the power architecture and battery technology differ between the SRT10KXLT and SRTL10KRM4UT-5KTF2?
- How do the SRT10KXLT and SRTL10KRM4UT-5KTF2 compare in physical form factor and deployment flexibility?
- Which unit offers broader connectivity and management options — the SRT10KXLT or SRTL10KRM4UT-5KTF2?
- Which should you choose: the SRT10KXLT or the SRTL10KRM4UT-5KTF2?
- Side-by-Side Specs
- FAQ
How do the power architecture and battery technology differ between the SRT10KXLT and SRTL10KRM4UT-5KTF2?
Both units share a double-conversion (online) topology with a sine-wave output and a 3:1 crest factor, confirming equivalent power conditioning quality for sensitive loads. Rated output is identical at 10,000 W / 10 kVA.
The critical divergence is battery chemistry. The SRTL10KRM4UT-5KTF2 specifies lithium-ion (Li-Ion) cells at a 180 V battery string, with a rapid recharge time of 1.5 hours and a battery charging power of 1,200 W rated. The SRT10KXLT does not specify battery type, recharge time, or battery voltage in the provided specs, so direct comparison on those points is not possible.
Input voltage tolerance differs meaningfully. The SRT10KXLT accepts 100–275 V AC across a 40–70 Hz window, indicating a wide-input design suited for variable utility environments. The SRTL10KRM4UT-5KTF2 lists 208 V AC or 240 V AC (1-phase) input at 50/60 Hz ±3 Hz sync to mains; a minimum input voltage is not stated in the provided specs. Buyers operating in environments with significant voltage sag should verify the SRTL10KRM4UT-5KTF2's low-end input tolerance before selection.
The SRTL10KRM4UT-5KTF2 bundle includes two 5 kVA step-down transformer modules (the '-5KTF2' suffix), enabling it to serve 120 V loads from a 208 V feed without external transformers — a feature absent from the SRT10KXLT's spec set.
How do the SRT10KXLT and SRTL10KRM4UT-5KTF2 compare in physical form factor and deployment flexibility?
The SRTL10KRM4UT-5KTF2 is explicitly rated at 4U rack-mount, described as 'rack/tower convertible with included kit,' and belongs to a 'high density' product line. Its packaged dimensions are 39.4 in (L) × 25.6 in (W) × 41.5 in (H) and packaged weight is 397.9 lb (180.5 kg). These dimensions reflect inclusion of the two step-down transformer modules in the shipment.
The SRT10KXLT does not have rack-unit count, packaged dimensions, or packaged weight listed in the provided specifications. Its form factor description is not explicitly stated in the spec data supplied, so a direct physical size comparison cannot be made.
Environmental ratings are partially available only for the SRTL10KRM4UT-5KTF2: operating altitude 0–10,000 ft, storage altitude 0–50,000 ft, storage temperature 5–113 °F (-15–45 °C), relative humidity 0–95% non-condensing, and IP20 ingress protection. None of these environmental parameters are listed for the SRT10KXLT in the provided specs.
The SRTL10KRM4UT-5KTF2's color is listed as silver grey. No color or finish data is provided for the SRT10KXLT.
Which unit offers broader connectivity and management options — the SRT10KXLT or SRTL10KRM4UT-5KTF2?
The SRT10KXLT provides two Ethernet LAN (RJ-45) ports supporting 10/100Base-T, a USB port, and an unspecified serial/communications interface labeled 'Interface Port Cont' in the product name. Its outlet complement consists of 6 AC outlets: NEMA L6-20R and NEMA L6-30R receptacles. Surge energy rating is 480 J and EMI/RFI noise filtering is rated at 55 dB.
The SRTL10KRM4UT-5KTF2 lists connectivity as: serial port, USB port, an available expansion slot, and an embedded network management card 3 (NMC3) — a significant advantage for enterprise environments requiring remote monitoring, SNMP, and cloud-management integration without an add-in card purchase. Outlet types and outlet quantity are not specified in the provided specs for the SRTL10KRM4UT-5KTF2. An RJ45 cable is listed as provided equipment.
The SRTL10KRM4UT-5KTF2 features a multi-function LCD status and control console and audible plus visible alarms prioritized by severity. The SRT10KXLT lists audible alarms only; a visual alarm or LCD panel is not mentioned in its spec data. Acoustic noise level is 55 dB for the SRTL10KRM4UT-5KTF2; this figure is not listed in the SRT10KXLT's provided specs.
Surge energy rating (480 J) and EMI/RFI filtering (55 dB) are specified only for the SRT10KXLT. Neither figure appears in the SRTL10KRM4UT-5KTF2's provided spec sheet.
Which should you choose: the SRT10KXLT or the SRTL10KRM4UT-5KTF2?
Our take: The SRTL10KRM4UT-5KTF2 is the stronger choice when rack density, fast battery recharge, and integrated remote management are the primary requirements. Its lithium-ion chemistry delivers a 1.5-hour recharge at 1,200 W charging power — a concrete runtime-recovery advantage over the SRT10KXLT, whose battery type and recharge time are not specified. The embedded NMC3 network management card eliminates an add-in purchase required on most competing units. The bundled dual 5 kVA step-down transformers allow 120 V load support from a 208 V feed at no added cost. Conversely, the SRT10KXLT's 100–275 V wide-input range and 40–70 Hz frequency window suit deployments with poor utility quality or international generator feeds — parameters the SRTL10KRM4UT-5KTF2 does not address in its provided specs. Select the SRT10KXLT for wide-input utility environments or where rack form factor is not required; select the SRTL10KRM4UT-5KTF2 for high-density rack data centers needing Li-Ion longevity, built-in NMC3, and integrated voltage step-down.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | APC by Schneider Electric SRT10KXLT | APC by Schneider Electric SRTL10KRM4UT-5KTF2 |
|---|---|---|
| UPS Topology | Double-conversion (Online) | On-Line (Double-conversion) |
| Output Power (W) | 10,000 W | 10,000 W |
| Output Power (VA) | 10,000 VA | 10,000 VA |
| Waveform | Sine | Sine wave |
| Crest Factor | 3:1 | 3:1 |
| Battery Type | — | Li-Ion (Lithium Ion) |
| Battery Voltage | — | 180 V |
| Typical Recharge Time | — | 1.5 h |
| Battery Charging Power | — | 1,200 W rated |
| Input Voltage Range | 100–275 V AC | 208 V AC / 240 V AC (1-phase) |
| Input Frequency | 40–70 Hz | 50/60 Hz |
| Output Voltage | 208–240 V AC | 208 V AC / 240 V AC (1-phase) |
| AC Outlets | 6 (NEMA L6-20R, NEMA L6-30R) | — |
| Rack Units | — | 4U |
| Mounting | — | Rack/tower convertible |
| Network Management | 2× RJ-45 (10/100Base-T) + USB | Embedded NMC3 + USB + serial + expansion slot |
| Step-Down Transformers Included | — | 2× 5 kVA step-down modules |
| Surge Energy Rating | 480 J | — |
| EMI/RFI Filtering | 55 dB | — |
| Acoustic Noise Level | — | 55 dB |
| Audible Alarm | Yes | Yes (audible and visible, prioritized by severity) |
| Display / Control Panel | — | Multi-function LCD |
| IP Protection | — | IP20 |
| Operating Altitude | — | 0–10,000 ft |
| Packaged Weight | — | 397.9 lb (180.5 kg) |
| Color | — | Silver grey |
Frequently Asked Questions
Which should you choose: the SRT10KXLT or the SRTL10KRM4UT-5KTF2?
The SRTL10KRM4UT-5KTF2 is the stronger choice when rack density, fast battery recharge, and integrated remote management are the primary requirements. Its lithium-ion chemistry delivers a 1.5-hour recharge at 1,200 W charging power — a concrete runtime-recovery advantage over the SRT10KXLT, whose battery type and recharge time are not specified. The embedded NMC3 network management card eliminates an add-in purchase required on most competing units. The bundled dual 5 kVA step-down transformers allow 120 V load support from a 208 V feed at no added cost. Conversely, the SRT10KXLT's 100–275 V wide-input range and 40–70 Hz frequency window suit deployments with poor utility quality or international generator feeds — parameters the SRTL10KRM4UT-5KTF2 does not address in its provided specs. Select the SRT10KXLT for wide-input utility environments or where rack form factor is not required; select the SRTL10KRM4UT-5KTF2 for high-density rack data centers needing Li-Ion longevity, built-in NMC3, and integrated voltage step-down.
Is the SRT10KXLT or SRTL10KRM4UT-5KTF2 better for a mixed 208 V / 120 V server environment?
The SRTL10KRM4UT-5KTF2 has a built-in advantage here: it ships with two 5 kVA step-down transformer modules that allow it to serve 120 V loads directly from a 208 V input feed. The SRT10KXLT's spec data does not mention step-down transformer capability, so serving 120 V loads from it would require separate transformer hardware. If your rack contains both 208 V and 120 V equipment, the SRTL10KRM4UT-5KTF2 bundle addresses that need out of the box.
Which UPS has the faster battery recharge — the SRT10KXLT or SRTL10KRM4UT-5KTF2?
The SRTL10KRM4UT-5KTF2 specifies a 1.5-hour typical recharge time at 1,200 W rated charging power, enabled by its lithium-ion battery chemistry. The SRT10KXLT does not list a recharge time or battery type in its provided specifications, so a direct numeric comparison cannot be made. Based on available data, the SRTL10KRM4UT-5KTF2 is the only unit with a confirmed fast-recharge figure.
Do both the SRT10KXLT and SRTL10KRM4UT-5KTF2 include a network management card for remote monitoring?
Only the SRTL10KRM4UT-5KTF2 lists an embedded network management card 3 (NMC3) as an included feature in its provided specifications, along with a serial port, USB port, and expansion slot. The SRT10KXLT lists two Ethernet LAN (RJ-45) ports and a USB port, but does not specify whether a network management card is embedded or must be purchased separately. Buyers requiring out-of-box SNMP or remote management should verify the SRT10KXLT's NMC configuration before purchase.
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