APC by Schneider Electric SMTL3000RM2UC vs APC by Schneider Electric SMX3000LV: Specification Comparison
Both the SMTL3000RM2UC and SMX3000LV are APC by Schneider Electric line-interactive UPS units rated at 3 kVA / 2,700 W with pure sine wave output — a class commonly deployed in small-to-midsize IT closets, edge racks, and network equipment rooms. The comparison covers input tolerance and power quality, physical form factor and outlet configuration, and efficiency plus protection ratings. Neither unit includes management card specs in the provided data, so software integration cannot be evaluated here.
In This Guide
- Which UPS handles a wider input voltage window and delivers cleaner, more reliable power?
- Which UPS better fits the rack space, outlet mix, and connectivity requirements of a typical IT deployment?
- Which UPS is more energy-efficient and offers stronger transient surge protection?
- Which should you choose: the SMTL3000RM2UC or the SMX3000LV?
- Side-by-Side Specs
- FAQ
Which UPS handles a wider input voltage window and delivers cleaner, more reliable power?
The SMX3000LV accepts input voltage from 70 V to 153 V — an 83 V window — versus the SMTL3000RM2UC's 82 V to 144 V window of 62 V. In sites with chronic low-voltage sags or high-voltage swells (common in older facilities or regions with unstable utility grids), the SMX3000LV's broader tolerance means the UPS can ride through more events without switching to battery, extending battery life and reducing wear.
Both units deliver pure sine wave output at 120 V with 5% THD and 5% voltage regulation. Output frequency is specified as 50/60 Hz on the SMTL3000RM2UC; this spec is absent for the SMX3000LV in the provided data. UPS topology (line-interactive) is confirmed for the SMTL3000RM2UC; it is not explicitly stated for the SMX3000LV in the provided specs, though the product class and waveform are consistent with line-interactive design.
Which UPS better fits the rack space, outlet mix, and connectivity requirements of a typical IT deployment?
The SMTL3000RM2UC is specified as a 2U rack unit, making it the more space-efficient choice for dense rack environments. The SMX3000LV is described as a 4U rack/tower unit — it occupies twice the rack space but offers physical flexibility as a tower if rack mounting is not available or preferred.
Outlet count and type differ meaningfully. The SMTL3000RM2UC provides 8 outlets (NEMA 5-15R and NEMA 5-20R). The SMX3000LV provides 10 outlets and adds a NEMA L5-30R receptacle alongside the 5-15R and 5-20R types, with a NEMA L5-30P power plug on the input side. The L5-30R output enables direct connection of higher-draw devices or PDUs rated for 30 A twist-lock. The SMX3000LV also specifies Emergency Power Off (EPO) support, which is absent from the SMTL3000RM2UC's provided specs — EPO is a code requirement in many raised-floor and data center environments.
Both units include a USB port (the SMX3000LV specifies USB 2.0). Battery technology is confirmed as Sealed Lead Acid (VRLA) for the SMX3000LV; this detail is not provided for the SMTL3000RM2UC.
Which UPS is more energy-efficient and offers stronger transient surge protection?
The SMX3000LV is rated at 97.5% efficiency versus 96% for the SMTL3000RM2UC. At a continuous 2,700 W load, the 1.5-percentage-point gap translates to approximately 40 W of additional heat dissipation and energy cost in the SMTL3000RM2UC — modest per unit but material across a large deployment or over multi-year operation.
Surge energy rating favors the SMX3000LV at 540 J compared to 459 J for the SMTL3000RM2UC — an 18% higher absorption capacity. For environments with frequent transient events on the utility feed (industrial adjacency, older wiring), the higher joule rating provides a greater margin before the surge suppression component degrades.
Both units share identical noise output at 55 dB and identical output THD at 5%, so acoustic impact on open office or lab environments and power quality delivered to sensitive loads are equivalent between the two.
Which should you choose: the SMTL3000RM2UC or the SMX3000LV?
Our take: The SMX3000LV is the stronger choice when rack space is not at a premium, the site requires EPO compliance, or the outlet mix must include a 30 A twist-lock (NEMA L5-30R) circuit. Three concrete spec deltas support this: the SMX3000LV's input window is 70–153 V versus 82–144 V, absorbing a wider utility variance before battery transfer; its surge energy rating is 540 J versus 459 J, offering 18% more transient absorption headroom; and its efficiency is 97.5% versus 96%, reducing heat and operating cost at full load. Conversely, the SMTL3000RM2UC is the correct choice when rack U-count is constrained — it occupies 2U versus the SMX3000LV's 4U — or when the installation is a standard 120 V branch circuit without a 30 A feed available. Buyers in data center or raised-floor environments where EPO is code-mandated should note that EPO is specified only on the SMX3000LV.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | APC by Schneider Electric SMTL3000RM2UC | APC by Schneider Electric SMX3000LV |
|---|---|---|
| UPS Topology | Line-Interactive | Not specified in provided specs |
| Output Power Capacity | 3 kVA | 3 kVA |
| Output Power | 2700 W | 2700 W |
| Waveform | Sine | Sine |
| Input Voltage Min | 82 V | 70 V |
| Input Voltage Max | 144 V | 153 V |
| Input Frequency | 50/60 Hz | 50/60 Hz |
| Output Voltage | 120 V | 120 V |
| Output Voltage Regulation | 5% | — |
| Output THD | 5% | 5% |
| Efficiency | 96% | 97.5% |
| Surge Energy Rating | 459 J | 540 J |
| Noise Level | 55 dB | 55 dB |
| Form Factor | 2U Rack | 4U Rack/Tower |
| AC Outlets | 8 (NEMA 5-15R, NEMA 5-20R) | 10 (NEMA 5-15R, NEMA 5-20R, NEMA L5-30R) |
| Power Plug | — | NEMA L5-30P |
| Emergency Power Off (EPO) | — | Yes |
| USB | Yes | USB 2.0 |
| Battery Technology | — | Sealed Lead Acid (VRLA) |
Frequently Asked Questions
Which should you choose: the SMTL3000RM2UC or the SMX3000LV?
The SMX3000LV is the stronger choice when rack space is not at a premium, the site requires EPO compliance, or the outlet mix must include a 30 A twist-lock (NEMA L5-30R) circuit. Three concrete spec deltas support this: the SMX3000LV's input window is 70–153 V versus 82–144 V, absorbing a wider utility variance before battery transfer; its surge energy rating is 540 J versus 459 J, offering 18% more transient absorption headroom; and its efficiency is 97.5% versus 96%, reducing heat and operating cost at full load. Conversely, the SMTL3000RM2UC is the correct choice when rack U-count is constrained — it occupies 2U versus the SMX3000LV's 4U — or when the installation is a standard 120 V branch circuit without a 30 A feed available. Buyers in data center or raised-floor environments where EPO is code-mandated should note that EPO is specified only on the SMX3000LV.
Does either UPS support Emergency Power Off (EPO) for data center compliance?
Yes — EPO is specified for the SMX3000LV. The provided specifications for the SMTL3000RM2UC do not list EPO support. If EPO is a code or insurance requirement for your installation, the SMX3000LV is the confirmed option based on available spec data.
Which unit takes up less rack space — the SMTL3000RM2UC or the SMX3000LV?
The SMTL3000RM2UC is a 2U rack unit. The SMX3000LV is a 4U rack/tower unit. If rack density is a priority, the SMTL3000RM2UC uses half the vertical space. The SMX3000LV's tower option adds flexibility for non-rack deployments.
Can I plug a 30-amp PDU or high-draw server directly into either of these UPS units?
Only the SMX3000LV provides a NEMA L5-30R (30 A twist-lock) output receptacle, making it compatible with equipment or PDUs requiring a 30 A feed. The SMX3000LV also uses a NEMA L5-30P input plug. The SMTL3000RM2UC's outlets are limited to NEMA 5-15R and NEMA 5-20R (15 A and 20 A) per the provided specifications.
More UPS Comparisons
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