APC by Schneider Electric 3000VA LCD 120V with Smartconnect- Line-interactive - 2700WATT - SMT3000C

APC by Schneider Electric SMT3000C 3000VA Line-Interactive UPS with SmartConnect

Overview

The APC by Schneider Electric SMT3000C is a 3000VA / 2700W line-interactive uninterruptible power supply designed for servers, network infrastructure, and security systems that cannot tolerate power anomalies. With a true sine wave output, a wide input voltage operating window, and SmartConnect remote monitoring capability, it occupies the intersection of enterprise reliability and practical deployability — the kind of UPS an integrator specifies when the equipment list includes managed switches, NVRs, and access control panels that all need to stay online during utility brownouts and outages. If you are sizing power protection for a mid-size server room, a surveillance head-end, or a dense network closet, the SMT3000C belongs on the short list.

Explore the full UPS and battery backup category for additional capacity options and form factors, or browse the broader power protection lineup to pair this unit with surge-only strips and PDUs downstream.

Key Features

• 3000VA / 2700W Capacity: At 2700W of real power output, this unit comfortably carries a mix of 1U servers, PoE switches, and NVR appliances simultaneously. Size your connected load to no more than 80% of rated capacity — that leaves headroom during startup inrush and keeps battery runtime predictable.
• True Sine Wave Output: Active PFC power supplies (found in virtually all modern servers, workstations, and managed switches) require a sine wave UPS to operate correctly on battery. The SMT3000C delivers a pure sine wave — not a stepped approximation — so active-PFC equipment won't fault, throttle, or log errors during a power event.
• Line-Interactive Topology with AVR: The automatic voltage regulation stage corrects brownouts down to 75V and overvoltages up to 154V on 120V input without switching to battery. In environments with chronic voltage sag — common near heavy HVAC loads or in older commercial buildings — this means the battery stays charged for genuine outages rather than cycling on every dip.
• Wide Input Voltage Window (75–154V): That 79V spread is notably wider than basic line-interactive units. A load room with a compressor on the same panel, a loading dock with voltage-hungry motors, or a building fed by an aging transformer — all scenarios where a narrower window forces unnecessary battery cycling that shortens runtime life.
• 10 AC Outlets (NEMA 5-15R and NEMA 5-20R): The mixed outlet complement accommodates both standard 15A device cords and the 20A plugs found on denser rackmount equipment. Having both types on one UPS eliminates the need for a separate outlet strip just to serve 20A loads.
• 530J Surge Energy Rating: Surge suppression is built in — 530 joules is adequate for typical induced surges on a commercial power feed. This is not a substitute for a dedicated panel-level surge protector on a high-exposure circuit (rooftop equipment rooms, areas with frequent lightning), but it handles the conducted transients common in most commercial environments.
• Emergency Power Off (EPO): The EPO port is a hard requirement in many data center and commercial facility codes. It allows a single dry-contact signal — from a fire panel, a building management system, or a manual station — to cut all UPS output immediately. If your installation is subject to NEC 645 or local fire codes, verify this before specifying a UPS without it.
• 45 dB Noise Level: In a dedicated equipment room this is irrelevant. In a network closet adjacent to an open office, or in a retail back room, 45 dB is roughly the level of a quiet conversation — audible at close range but not disruptive. The on-battery alarm is separate and can be silenced via the LCD panel.
• Output Voltage THD ≤5%: Total harmonic distortion at or below 5% keeps sensitive measurement and analytics equipment (video analytics appliances, IP-PBX systems, industrial controllers) well within their input power quality tolerances.
• SmartConnect Cloud Monitoring: The SmartConnect feature enables remote monitoring and management without requiring an on-site network management card. For multi-site integrators managing power across distributed locations, this reduces truck rolls for routine status checks.

Integration and Compatibility

The SMT3000C uses a NEMA L5-30P twist-lock input plug — confirm your electrical panel has a matching L5-30 receptacle before ordering. This is a 120V unit; it is not suitable for 208V or 240V infrastructure without a step-down transformer. The 10-outlet output block covers NEMA 5-15R and NEMA 5-20R receptacles, compatible with virtually all rackmount servers, switches, and security appliances sold for the North American market.

For rack-dense deployments, pair this unit with a rack PDU on the output to distribute the 10 outlets across more device positions. The USB and serial communication ports integrate with most enterprise UPS management software and OS-native power management (Windows, Linux) for graceful shutdown scripting — a standard expectation on any network infrastructure deployment.

If your head-end includes IP cameras drawing PoE from managed switches, size the UPS to cover the switch's total PoE budget plus the switch's own consumption — not just the switch's nameplate. The SMT3000C's 2700W capacity handles a 48-port PoE+ switch at moderate load alongside an NVR and a router without issue.

Frequently Asked Questions

Q: What input plug does the SMT3000C use, and do I need a special outlet?

A: The SMT3000C ships with a NEMA L5-30P twist-lock input plug. You will need a matching NEMA L5-30R receptacle on your circuit — this is not a standard 5-15R wall outlet. Verify your electrical panel and circuit wiring before installation.

Q: Does the SMT3000C produce a true sine wave on battery, or a simulated sine wave?

A: It produces a true (pure) sine wave on battery output. This matters for any equipment with an active power factor correction (PFC) power supply — which includes most modern servers, managed switches, and storage appliances. Stepped or simulated sine wave UPS units can cause those loads to fault or behave unpredictably during an outage.

Q: What is the minimum input voltage the SMT3000C will regulate without switching to battery?

A: The AVR stage operates down to 75V input before transferring to battery. The upper limit is 154V. Within that range, the unit corrects voltage without drawing on battery reserves, which preserves battery life in locations with chronic voltage sag.

Q: Does the SMT3000C support Emergency Power Off (EPO)?

A: Yes. The SMT3000C includes an EPO port, which accepts a dry-contact signal to immediately cut all output power. This is commonly required by NEC 645, local fire codes, and data center facility standards. Wire it to your fire panel or building management system as required by your AHJ.

Q: How many outlets does the SMT3000C provide, and what types?

A: It provides 10 AC outlets total, a mix of NEMA 5-15R (standard 15A) and NEMA 5-20R (20A) receptacles. This covers both standard device cords and the 20A plugs found on denser rackmount appliances without requiring a separate outlet adapter strip.

Q: Can the SMT3000C be monitored remotely without a separate network management card?

A: Yes. The SmartConnect feature supports cloud-based remote monitoring and management out of the box, without purchasing or installing an additional network management card. This is useful for distributed deployments where on-site monitoring of each UPS is impractical.

Karl Wilson

The SMT3000C is the unit I reach for when a deployment has mixed 15A and 20A loads and the building's power feed has a history of voltage sag. The 75–154V input operating window is the practical differentiator here — most competing line-interactive units in this class start AVR at 80–82V, and that 5–7V difference keeps the battery off-cycle on feeds that would otherwise hammer a narrower unit constantly.

Technical Highlights:

• Pure Sine Wave Output: At 2700W, virtually every load in a security or network head-end will carry an active-PFC supply. A stepped sine wave UPS in this application is a support call waiting to happen — the SMT3000C eliminates that variable entirely.
• 530J Surge Rating + EPO Port: The EPO is the spec integrators forget to verify until the AHJ inspection. NEC 645 compliance requires it in IT equipment rooms; having it built in avoids a change order.
• 45 dB Audible Alarm: The on-battery and low-battery alarms are audible at close range but dismissible from the LCD. In a shared space, confirm your team knows how to silence the alarm before the first test run — the default tone is noticeable.

Deployment Considerations:

• The NEMA L5-30P input plug is the most common pre-install miss. Budget for a licensed electrician to install the matching L5-30R receptacle if the room doesn't already have one — it is not a DIY circuit change in most jurisdictions.
• At 2700W rated output, load budgeting at 80% means targeting 2160W of connected load for reliable runtime. Factor in PoE switch budgets, not just device nameplates, when summing the load — a 48-port PoE+ switch can draw 400–600W under load, far more than its own nameplate suggests.

The SMT3000C is well-matched to a 10–20 camera surveillance head-end with a managed PoE switch, an NVR, and a firewall in the same rack — exactly the configuration where mixed outlet types, AVR tolerance, and EPO compliance all converge in a single unit requirement.