APC by Schneider Electric SRTL5KRM2UT-5KRMTF vs APC by Schneider Electric SRTL5KRMTF: Specification Comparison
Both products are APC Smart-UPS Ultra rack-mounted transformer units targeting 5 kVA data-center and infrastructure deployments that require stepping down 208 V input to 120 V output. The SRTL5KRM2UT-5KRMTF is a combined UPS-plus-transformer bundle occupying 4U, while the SRTL5KRMTF is a standalone 2U isolation/step-down transformer accessory. Because one unit integrates a full on-line UPS and the other is a transformer-only ancillary device, buyers should evaluate them on role—not as direct substitutes—before selecting.
In This Guide
- How much active power protection and runtime does each unit deliver?
- What output receptacle options and remote-management capabilities does each unit provide?
- How do the two units compare on physical footprint, weight, and operating environment?
- Which should you choose: the SRTL5KRM2UT-5KRMTF or the SRTL5KRMTF?
- Side-by-Side Specs
- FAQ
How much active power protection and runtime does each unit deliver?
The SRTL5KRM2UT-5KRMTF is a full on-line, double-conversion UPS with a rated output of 4,900 VA / 4,900 W, a sine-wave waveform, and an internal Li-Ion battery rated for 8–10 years with a 1.5-hour typical recharge time at 600 W charging power. It includes an automatic and manual internal bypass, a crest factor of 3:1, and less than 2% harmonic distortion, providing continuous power conditioning and ride-through during outages.
The SRTL5KRMTF specifies a load capacity of 5,000 VA and a 24 A max line current, but its spec sheet contains no UPS topology, no battery, no runtime data, no waveform type, and no bypass information. Based on the provided specifications, it functions solely as an isolation and step-down transformer, not a power-protection device. Buyers needing battery backup must pair it with a separate UPS.
What output receptacle options and remote-management capabilities does each unit provide?
The SRTL5KRM2UT-5KRMTF offers twelve NEMA 5-20R, two NEMA L6-20R, and two NEMA L6-30R outlets—sixteen receptacles in total—covering both standard 120 V and 240 V loads. It ships with a pre-installed Network Management Card 3 with environmental monitoring, plus a serial port, USB port, and a temperature probe, enabling out-of-band monitoring, alerting, and integration into DCIM platforms. Alarms are audible and visible, prioritized by severity. The included cable length is 10.007 ft (3.05 m).
The SRTL5KRMTF provides twelve NEMA 5-20R receptacles only; no L6-20R or L6-30R outlets are listed. No network management card, serial port, USB port, or monitoring capability is specified. Remote management, alerting, or environmental sensing would require external equipment. The unit ships with one cable, but cable length is not specified in the provided data.
How do the two units compare on physical footprint, weight, and operating environment?
The SRTL5KRM2UT-5KRMTF occupies 4U of rack space, weighs 159.37 lb (72.29 kg) bare and 174.4 lb (79.1 kg) packaged, and requires a rack capable of supporting substantial load. Its height dimension is stated as 6.9 in (176 mm). It is rated IP20, operates from 0–10,000 ft altitude, sustains 0–95% non-condensing relative humidity, generates 1,047 Btu/h heat dissipation, and produces 55 dBA of acoustic noise. Storage range is 5–113 °F (−15–45 °C).
The SRTL5KRMTF occupies 2U, weighs 95.00 lb (43.09 kg), and has a stated height of 3.50 in (8.9 cm)—saving 2U and 64.37 lb compared to the bundle unit. It shares the same operating altitude (0–10,000 ft), humidity (0–95% non-condensing), and storage temperature range (5–113 °F). IP rating, heat dissipation, and acoustic level are not specified in the provided data for this model.
Which should you choose: the SRTL5KRM2UT-5KRMTF or the SRTL5KRMTF?
Our take: The SRTL5KRM2UT-5KRMTF is the stronger choice when integrated on-line UPS protection, remote management, and a broad output receptacle mix are required in a single rack unit. It delivers full double-conversion power conditioning at 4,900 W with a Li-Ion battery rated 8–10 years and a 1.5-hour recharge, versus the SRTL5KRMTF, which provides no battery or UPS topology per its specifications. The SRTL5KRM2UT-5KRMTF includes sixteen outlets across three NEMA types (5-20R, L6-20R, L6-30R) and a pre-installed Network Management Card 3 with environmental monitoring; the SRTL5KRMTF lists only twelve NEMA 5-20R outlets and no management interface. The trade-off is size and weight: the SRTL5KRMTF saves 2U and 64.37 lb, making it the appropriate selection for sites that already have a separate UPS and need only 208 V-to-120 V step-down transformation in a compact form factor.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | APC by Schneider Electric SRTL5KRM2UT-5KRMTF | APC by Schneider Electric SRTL5KRMTF |
|---|---|---|
| Device Type | On-Line UPS + Step-Down Transformer | Isolation/Step-Down Transformer Only |
| SKU | SRTL5KRM2UT-5KRMTF | SRTL5KRMTF |
| Rated Capacity (VA) | 4,900 VA | 5,000 VA |
| Rated Capacity (W) | 4,900 W | — |
| UPS Topology | On-Line (Double Conversion) | — |
| Main Input Voltage | 208 V AC (1-phase) | 208 V |
| Other Input Voltage | 240 V | — |
| Input Connection | NEMA L6-30P | NEMA L6-30P |
| Input Current Limit | — | 30 A |
| Max Line Current | — | 24 A |
| Output Voltage | 120 V AC (1-phase) | 120 V |
| Output Receptacles | 12× NEMA 5-20R, 2× NEMA L6-20R, 2× NEMA L6-30R | 12× NEMA 5-20R |
| Battery Type | Li-Ion (Lithium Ion) | — |
| Battery Life | 8–10 years | — |
| Typical Recharge Time | 1.5 h | — |
| Bypass | Internal (Automatic and Manual) | — |
| Harmonic Distortion | < 2% | — |
| Surge Energy Rating | 1,260 J | — |
| Network Management | NMC3 with environmental monitoring (pre-installed) | — |
| Connectivity Ports | Serial, USB, NMC3 | — |
| Rack Units | 4U | 2U |
| Weight | 159.37 lb (72.29 kg) | 95.00 lb (43.09 kg) |
| Heat Dissipation | 1,047 Btu/h | — |
| Acoustic Level | 55 dBA | — |
| IP Rating | IP20 | — |
| Operating Altitude | 0–10,000 ft | 0–10,000 ft |
| Relative Humidity (Operating) | 0–95% non-condensing | 0–95% non-condensing |
| Storage Temperature | 5–113 °F (−15–45 °C) | 5–113 °F (−15–45 °C) |
| Color | Black | Black |
| Certification | ENERGY STAR V2.0 (USA) | — |
Frequently Asked Questions
Which should you choose: the SRTL5KRM2UT-5KRMTF or the SRTL5KRMTF?
The SRTL5KRM2UT-5KRMTF is the stronger choice when integrated on-line UPS protection, remote management, and a broad output receptacle mix are required in a single rack unit. It delivers full double-conversion power conditioning at 4,900 W with a Li-Ion battery rated 8–10 years and a 1.5-hour recharge, versus the SRTL5KRMTF, which provides no battery or UPS topology per its specifications. The SRTL5KRM2UT-5KRMTF includes sixteen outlets across three NEMA types (5-20R, L6-20R, L6-30R) and a pre-installed Network Management Card 3 with environmental monitoring; the SRTL5KRMTF lists only twelve NEMA 5-20R outlets and no management interface. The trade-off is size and weight: the SRTL5KRMTF saves 2U and 64.37 lb, making it the appropriate selection for sites that already have a separate UPS and need only 208 V-to-120 V step-down transformation in a compact form factor.
Can the SRTL5KRMTF provide battery backup on its own, or does it need a separate UPS?
Based on the provided specifications, the SRTL5KRMTF is an isolation/step-down transformer only. No battery, UPS topology, bypass, or runtime data is listed for it. A separate UPS would be required to provide battery backup when using the SRTL5KRMTF.
Is the SRTL5KRM2UT-5KRMTF or the SRTL5KRMTF better for a space-constrained rack?
The SRTL5KRMTF occupies 2U and weighs 95.00 lb (43.09 kg), versus 4U and 159.37 lb (72.29 kg) for the SRTL5KRM2UT-5KRMTF. If rack space and weight capacity are the binding constraints and a UPS already exists elsewhere in the circuit, the SRTL5KRMTF uses half the rack height and is 64.37 lb lighter per the provided specs.
Which unit supports remote monitoring and environmental sensing out of the box?
The SRTL5KRM2UT-5KRMTF ships with a pre-installed Network Management Card 3 with environmental monitoring, a temperature probe, a serial port, and a USB port per its specifications. The SRTL5KRMTF lists none of these capabilities in the provided spec data, so remote monitoring would require additional external hardware with that unit.
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