APC by Schneider Electric TAA APC Smart-ups X Line Interactive 3KVA Rack/tower 4U - SMX3000LVUS

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APC by Schneider Electric SMX3000LVUS 3kVA Line-Interactive Rack/Tower UPS

Overview

The APC by Schneider Electric SMX3000LVUS is a 3kVA/2700W line-interactive uninterruptible power supply built for rack-mounted IT and security infrastructure that cannot tolerate power interruptions. Designed in a flexible 4U rack/tower form factor, it bridges the gap between entry-level desktop UPS units and full online double-conversion systems — delivering pure sine wave output and 98% operating efficiency without the thermal overhead of a true online topology. For surveillance systems, network closets, and server rooms running on 100–127V infrastructure, the SMX3000LVUS provides the runtime buffer and voltage regulation that keeps critical loads stable when utility power falters.

Line-interactive topology means the inverter actively conditions power during brownouts and overvoltages without switching to battery — a key advantage in facilities where utility power fluctuates regularly. Unlike simulated sine wave UPS units, this model outputs a true sine wave, which matters for active power factor corrected (PFC) power supplies common in modern servers, NVRs, and network switches.

Key Features

• 3kVA / 2700W Output Capacity: Handles a substantial load — enough to support a mid-size NVR rack with several PoE switches, a storage array, and networking gear simultaneously. At 2700W true output, you have real headroom before the unit strains, which extends battery life under partial loads.
• Pure Sine Wave Output: Delivers a clean sine waveform on battery, not an approximated stepped wave. Active PFC power supplies — standard in any modern server or enterprise NVR — require this; feeding them a modified sine wave causes power supply stress and premature failure. This is not a nice-to-have for commercial equipment racks — it is a hard requirement.
• 98% Efficiency: At 98% operating efficiency in line-interactive mode, heat generation and energy waste are minimized. For a 24/7 surveillance or IT installation, this translates directly to lower operating costs and less strain on rack cooling infrastructure over a multi-year deployment.
• 100–127V Input Operating Range: Accepts input voltages from 100V to 127V, covering standard North American 120V circuits as well as facilities with noticeably low or high utility voltage. The line-interactive AVR (automatic voltage regulation) corrects under- and over-voltage conditions without consuming battery, preserving runtime for actual outages.
• 10 AC Outlets — Mixed Configuration: The outlet bank includes NEMA 5-15R, NEMA L5-20R, and NEMA L5-30R receptacles, accommodating a range of device plugs without adapter chains. The NEMA L5-30P input plug connects to a dedicated 30A circuit — appropriate for a 3kVA load and required for safe installation at this power level.
• 540J Surge Energy Rating: The 540 joule surge suppression rating handles transient spikes on the input line before they reach connected equipment. In environments near HVAC compressors, elevators, or other inductive loads, surge events are a daily reality — this provides a meaningful buffer.
• Audible Alarm System: Built-in audible alarms trigger on-battery transitions and low-battery conditions. In unmanned equipment rooms, this gives any nearby technician an immediate audio cue without requiring active monitoring software to be running.
• 55 dB Noise Level: At 55 dB, the SMX3000LVUS is appropriate for equipment rooms and data closets but would be noticeable in open office environments. Plan rack placement accordingly — this is not a desktop or under-desk unit.
• 4U Rack/Tower Flexibility: Ships usable in both rack-mounted and tower orientations. For installations that start as tower deployments and later migrate to a rack, no hardware purchase is needed to reorient the unit.

Integration and Compatibility

The SMX3000LVUS operates on standard 50/60 Hz input, making it compatible with North American utility power without frequency conversion concerns. The mixed outlet configuration — NEMA 5-15R alongside locking L5-20R and L5-30R receptacles — supports direct connection of standard server and networking gear as well as higher-amperage devices that use locking plugs. For power protection and UPS systems, this unit fits mid-tier rack deployments where line-interactive topology provides adequate protection without the cost and complexity of double-conversion alternatives.

When sizing this unit for a network video recorder deployment, account for the NVR chassis, attached storage, PoE switches, and any edge compute hardware. A well-loaded NVR rack in a commercial surveillance installation commonly draws 800W–1500W — leaving meaningful headroom within the 2700W capacity for runtime extension or load growth. For PoE switch stacks feeding camera infrastructure, the pure sine wave output ensures switch power supplies operate within their design parameters under battery.

Consult a UPS sizing and runtime guide when calculating expected battery runtime — runtime is a function of actual connected load, not rated capacity, and varies significantly between a 30% load and a 90% load scenario.

Frequently Asked Questions

Q: Does the SMX3000LVUS output a true sine wave or a simulated/modified sine wave?

A: The SMX3000LVUS outputs a true sine wave — both in normal line-interactive operation and when running on battery. This is required for equipment with active power factor corrected (PFC) power supplies, which includes most modern servers, NVRs, and enterprise networking hardware.

Q: What input plug does the SMX3000LVUS use, and what circuit does it require?

A: The unit uses a NEMA L5-30P input plug, which connects to a dedicated 30-amp, 120V circuit. Standard 15A or 20A wall outlets are not sufficient for this unit — a dedicated 30A circuit is required for safe operation at full capacity.

Q: Can the SMX3000LVUS be rack-mounted?

A: Yes. The SMX3000LVUS is designed as a 4U rack/tower convertible unit, usable in both rack and tower orientations. Check the manufacturer's documentation for rail kit compatibility and mounting hardware requirements.

Q: What is the operating efficiency of the SMX3000LVUS?

A: The unit operates at 98% efficiency in line-interactive mode, meaning minimal energy is lost as heat during normal operation. This is a meaningful spec for 24/7 deployments where energy cost and rack heat load both matter.

Q: What types of outlets does the SMX3000LVUS provide?

A: The SMX3000LVUS provides 10 AC outlets total across three NEMA configurations: NEMA 5-15R (standard 15A), NEMA L5-20R (locking 20A), and NEMA L5-30R (locking 30A). This mixed configuration supports a range of server, networking, and storage device power cords without adapters.

Q: Is the SMX3000LVUS appropriate for environments with frequent voltage fluctuations?

A: Yes. The line-interactive topology with automatic voltage regulation (AVR) corrects brownouts and overvoltages within the 100–127V input range without switching to battery. This preserves battery runtime for actual outages rather than expending it on routine utility fluctuations.

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