APC by Schneider Electric SMC1500-2UC vs Vertiv PSA6-1500LVT: Specification Comparison
Both the APC SMC1500-2UC and the Vertiv PSA6-1500LVT are 1440VA line-interactive UPS units operating on 120V AC, putting them squarely in the same purchasing tier for small server rooms, network closets, and workstation protection. The comparison examines three decision-critical axes for this product class: power output and waveform quality, physical form factor and deployment fit, and runtime/protection features. Buyers will find meaningful differences in form factor, spec transparency, and ancillary protection capabilities.
In This Guide
- Which unit delivers cleaner, more capable output power?
- How do form factor and physical installation requirements differ between these two units?
- What do the specs reveal about runtime hold time, protection features, and serviceability?
- Which should you choose: the SMC1500-2UC or the PSA6-1500LVT?
- Side-by-Side Specs
- FAQ
Which unit delivers cleaner, more capable output power?
The APC SMC1500-2UC is rated at 900W / 1440VA with a documented pure sine wave output and a specified output voltage THD of 5%. Its output voltage range is given as 110–127V at 50/60 Hz, and it carries a surge energy rating of 680 J with explicit EMI/RFI noise filtering.
The Vertiv PSA6-1500LVT is rated at 935W / 1440VA. Its specs do not specify waveform type, output THD, surge joule rating, or EMI/RFI filtering status. Vertiv does claim greater than 95% efficiency at full load, a figure not provided for the APC unit.
On documented output power, the Vertiv edges the APC by 35W (935W vs 900W). On output quality transparency, the APC provides materially more specification detail — waveform type, THD percentage, and surge joule rating — while the Vertiv leaves those parameters unspecified in the provided data.
How do form factor and physical installation requirements differ between these two units?
The APC SMC1500-2UC is a 2U rackmount unit, as indicated by its model designation and product name. No external dimensions or weight are provided in the supplied specifications.
The Vertiv PSA6-1500LVT is a desktop (tower) unit measuring 11.42 × 4.72 × 16.93 in (H × W × D) and weighing 26.5 lbs. It is not rack-mountable per the provided specifications.
This is the most fundamental form-factor split in the comparison. Buyers deploying into a standard 19-inch equipment rack require the APC SMC1500-2UC. Buyers without rack infrastructure — branch offices, standalone workstations, or under-desk installations — will find the Vertiv PSA6-1500LVT the appropriate fit. The two units cannot be substituted for each other in most physical deployment scenarios.
What do the specs reveal about runtime hold time, protection features, and serviceability?
The APC SMC1500-2UC specifies a minimum hold time of 6 ms and maximum hold time of 10 ms, along with surge protection (680 J), EMI/RFI filtering, audible alarms, and a noise level of 45 dB. Input operating range is 93–136V. Battery replaceability is not stated in the provided specifications.
The Vertiv PSA6-1500LVT specifies a user-replaceable battery and a 3-year full-unit warranty that explicitly includes battery coverage. Hold time, input operating voltage window, surge joule rating, noise level, and audible alarm status are not provided in the supplied specifications.
The APC unit provides more granular runtime and protection data. The Vertiv unit provides a clear serviceability advantage with a documented user-replaceable battery and a stated 3-year full-unit-plus-battery warranty — neither of which is specified for the APC in the provided data.
Which should you choose: the SMC1500-2UC or the PSA6-1500LVT?
Our take: The SMC1500-2UC is the stronger choice when the deployment target is a rack enclosure and output-quality documentation matters, while the PSA6-1500LVT is the appropriate selection for desktop or tower installations requiring easy battery serviceability. Key spec deltas: the Vertiv delivers 35W more rated output (935W vs 900W); the APC documents a pure sine wave output with 5% THD and a 680 J surge rating, none of which are specified for the Vertiv; and the Vertiv offers a user-replaceable battery with an explicit 3-year full-unit-plus-battery warranty, a serviceability and coverage commitment absent from the APC's provided specs. Platform qualifier: rack-based IT environments — server rooms, network closets, edge compute — should evaluate the SMC1500-2UC; desktop or distributed-office deployments where rack space is unavailable and on-site battery swap without a service call is valued should evaluate the PSA6-1500LVT.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | APC by Schneider Electric SMC1500-2UC | Vertiv PSA6-1500LVT |
|---|---|---|
| UPS Topology | Line-Interactive | Line-Interactive |
| Capacity (VA) | 1440 VA | 1440 VA |
| Rated Output Power (W) | 900 W | 935 W |
| Waveform Type | Sine | — |
| Output Voltage THD | 5% | — |
| Efficiency at Full Load | — | >95% |
| Input Voltage Range | 93–136 V | 120 VAC (range not specified) |
| Output Voltage Range | 110–127 V | 120 VAC (range not specified) |
| Input/Output Frequency | 50/60 Hz | — |
| Surge Energy Rating | 680 J | — |
| EMI/RFI Filtering | Yes | — |
| Hold Time (min/max) | 6 ms / 10 ms | — |
| Audible Alarm | Yes | — |
| Noise Level | 45 dB | — |
| Form Factor | 2U Rackmount | Desktop |
| Dimensions (H×W×D) | — | 11.42 × 4.72 × 16.93 in |
| Weight | — | 26.5 lbs |
| Battery User-Replaceable | — | Yes |
| Warranty | — | 3 years (full unit + battery) |
Frequently Asked Questions
Which should you choose: the SMC1500-2UC or the PSA6-1500LVT?
The SMC1500-2UC is the stronger choice when the deployment target is a rack enclosure and output-quality documentation matters, while the PSA6-1500LVT is the appropriate selection for desktop or tower installations requiring easy battery serviceability. Key spec deltas: the Vertiv delivers 35W more rated output (935W vs 900W); the APC documents a pure sine wave output with 5% THD and a 680 J surge rating, none of which are specified for the Vertiv; and the Vertiv offers a user-replaceable battery with an explicit 3-year full-unit-plus-battery warranty, a serviceability and coverage commitment absent from the APC's provided specs. Platform qualifier: rack-based IT environments — server rooms, network closets, edge compute — should evaluate the SMC1500-2UC; desktop or distributed-office deployments where rack space is unavailable and on-site battery swap without a service call is valued should evaluate the PSA6-1500LVT.
Can I install either of these UPS units in a standard 19-inch equipment rack?
Only the APC SMC1500-2UC is designated as a rackmount unit (2U). The Vertiv PSA6-1500LVT is specified as a desktop form factor and is not described as rack-mountable in the provided specifications. If rack installation is required, the SMC1500-2UC is the applicable model.
Which unit has better documented surge and power-quality protection?
The APC SMC1500-2UC provides more complete protection specifications: a 680 J surge energy rating, pure sine wave output, 5% output voltage THD, and EMI/RFI noise filtering — all explicitly stated. The Vertiv PSA6-1500LVT does not specify surge joule rating, waveform type, THD, or EMI/RFI filtering in the provided data. The Vertiv does claim greater than 95% efficiency at full load, which the APC does not state.
Which unit offers a better warranty and easier battery replacement?
The Vertiv PSA6-1500LVT specifies a user-replaceable battery and a 3-year full-unit warranty that includes battery coverage. The APC SMC1500-2UC's provided specifications do not state battery replaceability terms or warranty duration. Buyers for whom on-site battery swap and a documented multi-year warranty are decision criteria should note this gap in the APC's available spec data.
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