APC by Schneider Electric SMX2000LVUS vs APC by Schneider Electric SMX2000LVNCUS: Specification Comparison
Both the SMX2000LVUS and SMX2000LVNCUS are APC Smart-UPS X line-interactive, rack/tower UPS units rated at 2000VA class (1920 VA / 1800 W output) and sharing the same SKU family. A buyer evaluating either for a server room, network closet, or AV rack will cross-shop these directly. The comparison below examines power and voltage handling, output quality and protection features, and management and connectivity — the three axes that most determine fitness for IT and light-industrial deployments — using only the specifications provided for each unit.
In This Guide
- How do the two units differ in input voltage range and power handling?
- Which unit offers more detail on output quality and surge/noise protection?
- How do the two models compare on outlet configuration, form factor, and management features?
- Which should you choose: the SMX2000LVUS or the SMX2000LVNCUS?
- Side-by-Side Specs
- FAQ
How do the two units differ in input voltage range and power handling?
The SMX2000LVUS lists a main input voltage of 120 V with accepted alternates of 100 V, 110 V, and 127 V, but provides no minimum or maximum input operating voltage threshold. The SMX2000LVNCUS specifies a minimum input operating voltage of 70 V and a maximum of 153 V, giving installers a concrete window — an 83 V span — within which the unit regulates without switching to battery. This is a meaningful operational detail in sites with fluctuating utility power.
Both units share identical rated output power: 1800 W / 1920 VA (the SMX2000LVNCUS expresses this as 1.92 kVA). Neither spec sheet lists a power factor figure explicitly; the 1800 W / 1920 VA ratio implies approximately 0.9375 PF for both. The SMX2000LVNCUS confirms Automatic Voltage Regulation (AVR) is present; this is not explicitly stated for the SMX2000LVUS, though line-interactive topology implies AVR capability. Battery type is Lead-Acid for the SMX2000LVUS; the SMX2000LVNCUS does not specify battery chemistry.
Which unit offers more detail on output quality and surge/noise protection?
The SMX2000LVNCUS provides substantially more output-quality data. It specifies a pure sine wave output waveform, output voltage Total Harmonic Distortion (THD) of 5%, output frequency of 50/60 Hz, and a surge energy rating of 540 J. It also documents a noise level of 55 dB and audible alarm modes: alarm when on battery and low-battery alarm. These figures matter for sensitive loads — servers, storage, and broadcast equipment — where waveform fidelity and THD directly affect component longevity.
The SMX2000LVUS does not provide waveform type, THD, surge joule rating, or noise level in the supplied specifications. For buyers who need to validate suitability against equipment manufacturer power requirements, the SMX2000LVNCUS delivers the data needed to do so; the SMX2000LVUS does not, based on available specs.
How do the two models compare on outlet configuration, form factor, and management features?
The SMX2000LVNCUS lists three outlet types: NEMA 5-15R, NEMA 5-20R, and NEMA L5-20R, accommodating both standard 15 A and 20 A straight-blade loads as well as locking 20 A (L5-20R) connections — useful where secure connections to critical loads are required. The SMX2000LVUS does not specify outlet types in the provided data.
The SMX2000LVNCUS explicitly confirms web-based management and auto-restart capability. The SMX2000LVUS does not specify either feature in the available specs. On physical form factor, the SMX2000LVUS is confirmed at 4U rack height; the SMX2000LVNCUS is described as rack/tower but no rack-unit count is provided in its specs. The SMX2000LVUS also specifies an 8 ft (2.4 m) cable length and black color — details absent from the SMX2000LVNCUS spec sheet.
Which should you choose: the SMX2000LVUS or the SMX2000LVNCUS?
Our take: The SMX2000LVNCUS is the stronger choice when output power quality, surge protection detail, and management visibility are the primary evaluation criteria. It documents a 70–153 V input operating range (an 83 V span), a sine wave output with 5% THD, a 540 J surge energy rating, a 55 dB noise floor, web-based management, auto-restart, and three outlet types including locking NEMA L5-20R — none of which appear in the SMX2000LVUS spec set. The SMX2000LVUS, by contrast, is the better-documented choice on physical installation: its 4U rack height and 8 ft cord length are confirmed, while the SMX2000LVNCUS omits both. Both units share identical 1800 W / 1920 VA output ratings. For IT buyers deploying into mixed-outlet server rooms with active network management requirements, the SMX2000LVNCUS delivers the spec transparency needed to validate the installation; the SMX2000LVUS suits scenarios where rack-unit count and cord length are the critical sizing constraints.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | APC by Schneider Electric SMX2000LVUS | APC by Schneider Electric SMX2000LVNCUS |
|---|---|---|
| SKU | SMX2000LVUS | SMX2000LVNCUS |
| UPS Topology | Line-Interactive (implied by product name) | Line-Interactive (confirmed) |
| Rated Output Power (VA) | 1920 VA | 1.92 kVA (1920 VA) |
| Rated Output Power (W) | 1800 W | 1800 W |
| Main Input Voltage | 120 V | — |
| Other Input Voltages | 100 V, 110 V, 127 V | — |
| Input Operating Range (min–max) | — | 70 V – 153 V |
| Input Frequency | — | 50/60 Hz |
| Output Voltage | 120 V (main); 100 V, 110 V, 127 V (other) | 120 V (max) |
| Output Waveform | — | Sine |
| Output THD | — | 5% |
| Surge Energy Rating | — | 540 J |
| Automatic Voltage Regulation (AVR) | — | Yes |
| Outlet Types | — | NEMA 5-15R, NEMA 5-20R, NEMA L5-20R |
| Web-Based Management | — | Yes |
| Auto-Restart | — | Yes |
| Audible Alarms | — | Yes (on battery; low battery) |
| Noise Level | — | 55 dB |
| Battery Type | Lead-Acid | — |
| Battery Charge Power | 229 W rated | — |
| Rack Height | 4U | — |
| Cable Length | 8 ft (2.4 m) | — |
| Color | Black | — |
Frequently Asked Questions
Which should you choose: the SMX2000LVUS or the SMX2000LVNCUS?
The SMX2000LVNCUS is the stronger choice when output power quality, surge protection detail, and management visibility are the primary evaluation criteria. It documents a 70–153 V input operating range (an 83 V span), a sine wave output with 5% THD, a 540 J surge energy rating, a 55 dB noise floor, web-based management, auto-restart, and three outlet types including locking NEMA L5-20R — none of which appear in the SMX2000LVUS spec set. The SMX2000LVUS, by contrast, is the better-documented choice on physical installation: its 4U rack height and 8 ft cord length are confirmed, while the SMX2000LVNCUS omits both. Both units share identical 1800 W / 1920 VA output ratings. For IT buyers deploying into mixed-outlet server rooms with active network management requirements, the SMX2000LVNCUS delivers the spec transparency needed to validate the installation; the SMX2000LVUS suits scenarios where rack-unit count and cord length are the critical sizing constraints.
Does either UPS support web-based remote management?
Based on available specs, web-based management is confirmed only for the SMX2000LVNCUS. The SMX2000LVUS does not list this feature in its provided specifications.
Which model is better documented for connecting to 20-amp locking outlet equipment?
The SMX2000LVNCUS specifies NEMA L5-20R locking outlets among its output connections. The SMX2000LVUS does not list outlet types in the provided specs, so this cannot be confirmed for that model.
Both units are rated 1800 W / 1920 VA — is there any difference in how they handle poor input power quality?
The SMX2000LVNCUS specifies a minimum input operating voltage of 70 V and a maximum of 153 V, meaning it will regulate within that window before switching to battery. The SMX2000LVNCUS also confirms Automatic Voltage Regulation (AVR). The SMX2000LVUS provides no minimum/maximum input thresholds or explicit AVR confirmation in the available specs, so buyers in sites with known voltage fluctuations have more certainty with the SMX2000LVNCUS.
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