APC Smart-ups 2200VA LCD Rm- 2U - Line-interactive - 120 V - 1980WATT - NEMA L5- - SMT2200R2X106

APC by Schneider Electric SMT2200R2X106 2200VA 2U Rack-Mount Line-Interactive UPS

Overview

The APC by Schneider Electric SMT2200R2X106 is a 2200VA / 1920W line-interactive uninterruptible power supply built for 2U rack environments where power continuity is non-negotiable — think server rooms, network closets, surveillance NVR stacks, and edge compute deployments running on 120V infrastructure. Line-interactive topology means the unit continuously regulates voltage without switching to battery every time utility power dips or surges, extending battery life and reducing wear compared to standby designs. The SMT2200R2X106 outputs a true sine wave under both normal and battery conditions, which matters when you're powering active PFC power supplies, modern network switches, or any load that reacts poorly to simulated or stepped waveforms.

Explore the full UPS and power protection lineup or browse the complete APC by Schneider Electric catalog for complementary power and rack infrastructure products.

Key Features

• 1920W / 1.92 kVA Output Capacity: Enough headroom to support a dense 2U rack load — multiple servers, managed switches, or a full IP surveillance recording stack — without running close to the unit's ceiling. Running at 70–80% of rated capacity is the sweet spot for runtime and thermal management.
• Pure Sine Wave Output: Delivers clean AC waveform on battery, not a stepped approximation. Active PFC power supplies (standard in modern servers and enterprise networking gear) require sine wave input or risk shutdown during transfer. This spec eliminates that failure mode entirely.
• Wide Input Voltage Window — 75V to 154V: A 79V acceptance range means the unit rides through sags and swells that would force a narrower UPS onto battery. In facilities with unstable utility power — older buildings, industrial environments, multi-tenant data centers — this directly translates to fewer unnecessary battery cycles and longer battery service life.
• Line-Interactive Topology with Automatic Voltage Regulation (AVR): Voltage regulation happens continuously via buck/boost circuitry, not by switching to battery. Your connected loads see stable output even when input wanders, and the battery stays reserved for actual outages rather than routine fluctuations.
• 530 Joule Surge Energy Rating: Inline surge suppression absorbs transient spikes before they reach connected equipment. Meaningful for rack gear in facilities where lightning or switching transients are a known risk.
• 8ms Transfer Time: The interval between utility loss detection and full battery output is 8 milliseconds — fast enough that virtually all ATX power supplies and enterprise equipment will bridge the gap without resetting or rebooting.
• Emergency Power Off (EPO) Support: A hardwired EPO input lets facilities management or a BMS cut power to the entire rack load in a single action — required by some data center safety codes and useful in any environment where rapid de-energization is part of the safety plan.
• Output Voltage THD ≤5%: Total harmonic distortion under 5% keeps sensitive electronics away from the waveform quality problems that degrade power supply efficiency and, over time, component lifespan.
• Audible Alarms — Low Battery and Overload: Two distinct alarm modes give on-site staff an immediate audio signal for the two most actionable conditions: impending battery exhaustion (time to initiate graceful shutdown) and overload (time to shed load before the unit trips).
• Auto-Restart: After a utility outage clears and power is restored, the SMT2200R2X106 resumes normal operation automatically. No manual intervention required — critical for unmanned equipment rooms or remote branch deployments.
• 55 dB Noise Level: Audible but not disruptive in a closed equipment room. If you're deploying in an open office or a space where ambient noise matters, plan for this — 55 dB at load is comparable to a quiet conversation at close range.
• Input Frequency Compatibility — 50/60 Hz: Accepts both global utility frequencies, giving you flexibility on international deployments or in facilities that may switch frequency standards.

Integration & Compatibility

The SMT2200R2X106 ships with a NEMA L5-30P input connector on a 120V branch circuit — confirm your panel has a dedicated L5-30 receptacle before ordering, as this is a twist-lock connection, not a standard NEMA 5-15 or 5-20. The unit occupies 2U of rack space, which fits standard 19-inch EIA racks. For graceful shutdown integration, APC's PowerChute software (sold separately) communicates via the unit's management interface to trigger OS-level shutdown sequences before battery depletion. This is the right pairing for network video recorders and servers where an abrupt power cut risks file system corruption. For broader power distribution in the rack, consider pairing with a rack PDU downstream of this UPS to distribute protected power across multiple receptacles. EPO wiring should follow your local electrical code — consult your facilities team before terminating the EPO circuit.

Frequently Asked Questions

Q: What input plug does the SMT2200R2X106 use, and what circuit does it require?

A: The SMT2200R2X106 uses a NEMA L5-30P twist-lock input plug on a 120V circuit. Ensure your panel has a dedicated L5-30 receptacle — this is not a standard household or office outlet configuration.

Q: Does the SMT2200R2X106 output a pure sine wave when running on battery?

A: Yes. The unit produces a true sine wave output on battery, making it compatible with active PFC power supplies found in modern servers, enterprise switches, and surveillance recorders. A simulated or stepped waveform UPS can cause active PFC loads to shut down unexpectedly during an outage.

Q: What is the input voltage range the SMT2200R2X106 will accept without switching to battery?

A: The unit accepts input voltage from 75V to 154V before transferring to battery. This wide 79V window allows it to ride through utility voltage sags and swells that would force a narrower UPS onto battery prematurely.

Q: What does the Emergency Power Off (EPO) feature do on the SMT2200R2X106?

A: The EPO input allows a hardwired signal — from a BMS, a wall switch, or a data center emergency stop system — to immediately cut output power to all connected loads. This is a safety feature required by some electrical codes in occupied data center environments.

Q: How loud is the SMT2200R2X106 under normal operation?

A: The unit produces approximately 55 dB of audible noise at load. This is acceptable in a dedicated equipment room but may be noticeable in a quiet office environment. Plan your deployment location accordingly.

Q: Will the SMT2200R2X106 restart automatically after a power outage?

A: Yes. The auto-restart feature returns the unit to normal operation once utility power is restored, without requiring manual intervention. This is essential for unmanned equipment rooms and remote branch locations.

Ted Perry

The SMT2200R2X106 is one of the units I recommend consistently for mid-density rack deployments where active PFC loads are in the mix — the pure sine wave output on battery is the spec that closes most of those conversations. At 1920W capacity, it handles a realistic surveillance or network stack without running the unit into the thermal danger zone, and the 75V–154V input window is unusually wide for this class of UPS.

Technical Highlights:

• Pure Sine Wave Output: True sine wave on battery means active PFC power supplies in servers, switches, and NVRs won't trip during an outage. Simulated waveform UPS units cause real problems with this load class — this unit doesn't.
• 75–154V Input Acceptance Window: A 79V span before battery transfer means fewer unnecessary battery cycles in facilities with marginal utility power. Battery service life is directly tied to cycle count, so this window has real long-term cost implications.
• 8ms Transfer Time: Eight milliseconds is fast enough for virtually all modern ATX and enterprise PSUs to bridge without a reset. Combined with line-interactive AVR, most minor disturbances never trigger a transfer at all.

Deployment Considerations:

• The NEMA L5-30P input is a twist-lock connection — verify your panel has a dedicated L5-30 receptacle before the unit arrives on site. Rewiring a panel after the fact is a project delay you don't want.
• At 55 dB noise output, this unit is fine in a closed equipment room but will be audible in a quiet open office. If the rack is in a shared space, factor that in before specifying this model.

For a branch office network closet running a PoE switch stack, a surveillance NVR, and a small server — all on 120V with no dedicated generator — the SMT2200R2X106 is the right capacity point: enough runtime headroom to execute a graceful shutdown sequence without oversizing into a 3U unit that won't fit the rack.