APC by Schneider Electric Smart-ups XL - UPS - Rack/tower - Line-interactive - AC - SUM1500RMXLI2U

APC by Schneider Electric SUM1500RMXLI2U Smart-UPS XL 1500VA Line-Interactive Rack/Tower UPS

Overview

The APC by Schneider Electric SUM1500RMXLI2U is a 1500VA / 1.425kW line-interactive uninterruptible power supply designed for rack or tower deployment in IT closets, security head-end rooms, and edge infrastructure environments. At 2U of rack space, it provides pure sinewave output on battery — a critical distinction for active PFC power supplies found in modern servers, NVRs, and network equipment that reject the stepped-approximation waveform output of cheaper standby UPS units. If you're protecting a video management server, a PoE switch stack, or a network video recorder chassis, the SUM1500RMXLI2U belongs on your shortlist.

Browse the full APC by Schneider Electric power protection line to compare models within the Smart-UPS XL family, or visit our UPS and uninterruptible power supplies category for broader selection across capacity tiers.

Key Features

• 1500VA / 1425W Capacity: At a 0.95 power factor, this unit delivers 1,425 watts of usable power — enough to carry a mid-range NVR with HDDs spinning, a managed PoE switch, and a firewall appliance simultaneously. Size your actual load to 80% or less of capacity for runtime headroom.
• Pure Sinewave Output on Battery: When utility power fails, the SUM1500RMXLI2U switches to a true sinewave waveform rather than a simulated stepped approximation. Active PFC power supplies — standard in rack servers, Axis/Hanwha cameras with local storage, and most current NVR platforms — require this. A non-sinewave UPS will cause erratic behavior or hard shutdowns on these loads.
• Line-Interactive Topology with AVR: Automatic voltage regulation accepts input from 160V to 285V (adjustable range 151–302V AC) without switching to battery, correcting sags and surges in real time. In facilities with unstable mains — older buildings, shared commercial power feeds, or international 230V infrastructure — this prevents unnecessary battery cycling that shortens runtime and battery life.
• 9x IEC 60320 C13 Output Receptacles: Nine C13 outlets cover a full rack of standard server and networking power cords without adapters. For equipment requiring C19 connections, plan for appropriate adapters separately — this model's outputs are C13 only.
• 11.9-Minute Runtime at Full Load: Under a 100% load scenario (1,425W), expect roughly 12 minutes of runtime — sufficient for a graceful shutdown sequence on managed infrastructure. Real-world mixed loads at 50–70% capacity will extend this meaningfully. For extended runtime requirements, the XL designation supports external battery pack expansion.
• SNMP and HTTP Remote Management: The integrated Ethernet 10/100Base-TX interface enables SNMP and HTTP-based monitoring without a separate network management card. You can poll UPS status, set thresholds, and trigger graceful shutdowns from your NMS without standing in front of the rack. RS-232 (DB-9) serial and USB interfaces are also present for local management and APC PowerChute software integration.
• 490-Joule Surge Protection: The built-in surge suppressor absorbs transient spikes before they reach connected equipment. This is not a substitute for facility-level surge protection on the building feed, but it handles line noise and minor transients that slip through upstream protection.
• 2U Rack / Tower Convertible Form Factor: Ships with rack mounting hardware included. The chassis converts between rack and tower orientation — useful in wiring closets where rack space is constrained and the UPS may need to sit on a shelf. At 16.9 inches depth, verify your rack's usable depth before mounting.
• Audible Alarm: The onboard audible alarm provides local notification of battery operation, low battery, and fault conditions — relevant in unmanned equipment rooms where visual indicators alone would be missed.
• Operating Environment 0–95% RH, 32–104°F: Standard data-center and wiring-closet temperature and humidity tolerances. Not rated for outdoor or unconditioned spaces — if your head-end room lacks climate control, this becomes the binding constraint on your deployment.

Integration & Compatibility

The SUM1500RMXLI2U connects to network management platforms via SNMP using the built-in Ethernet port — no additional management card required. HTTP access enables browser-based status monitoring. For automated graceful shutdown of connected servers and NVRs, APC PowerChute software communicates via USB or RS-232. The unit operates on 230V AC input (50/60 Hz) and is designed for international markets — confirm your facility voltage before ordering if you're in a mixed 120/230V environment.

Standards compliance includes C-Tick, GOST, EN 61000-3-2, EN55022 Class A, and EN 50091-2, covering EMC and safety requirements for commercial deployments across multiple regulatory regions. For power protection planning resources, including runtime calculators and load sizing guides, review available documentation before finalizing your UPS capacity selection.

The SUM1500RMXLI2U pairs naturally with managed PoE switches and rack-mounted NVR platforms as part of a complete head-end power protection strategy. For larger load requirements within the same family, consider stepping up to higher-VA Smart-UPS XL variants.

Frequently Asked Questions

Q: What is the runtime of the SUM1500RMXLI2U at full load?

A: At full load (1,425W / 1500VA), the SUM1500RMXLI2U provides approximately 11.9 minutes of runtime. Real-world deployments running at 50–70% of rated capacity will see meaningfully longer runtime. The XL platform also supports external battery pack expansion for extended runtime requirements.

Q: Does the SUM1500RMXLI2U output a pure sinewave or a simulated sinewave when on battery?

A: It outputs a true pure sinewave on battery. This is essential for protecting equipment with active PFC power supplies — including most current rack servers, NVRs, and managed network equipment — which require a pure sinewave and will behave erratically or shut down on a stepped-approximation waveform from cheaper standby UPS units.

Q: What input voltage range does the SUM1500RMXLI2U accept?

A: The standard input voltage range is 160–285V AC. The adjustable range extends to 151–302V AC. Line-interactive AVR corrects voltages within these ranges without switching to battery, which helps preserve battery life in environments with variable mains quality. The unit is designed for 230V infrastructure.

Q: How many outlets does the SUM1500RMXLI2U provide, and what connector type?

A: The SUM1500RMXLI2U provides 9 output receptacles, all IEC 60320 C13 connectors — the standard kettle-plug format used by most rack servers, switches, and networking gear. If your equipment uses C19 connectors, you will need C19-to-C13 adapters.

Q: Does the SUM1500RMXLI2U include network management capabilities?

A: Yes. The unit includes a built-in Ethernet 10/100Base-TX port supporting SNMP and HTTP management — no separate network management card is required. It also provides RS-232 (DB-9) serial and USB interfaces for local management and APC PowerChute software integration.

Q: What is the warranty on the SUM1500RMXLI2U?

A: The SUM1500RMXLI2U carries a limited 2-year warranty covering parts and labor.

Jerry Tildsen

The spec that matters most on the SUM1500RMXLI2U isn't the VA rating — it's the pure sinewave output. I've seen integrators spec a lesser line-interactive UPS to protect an NVR platform, then watch the NVR hard-crash on every power event because the active PFC supply couldn't tolerate the stepped waveform. The SUM1500RMXLI2U eliminates that failure mode with a true sinewave on battery, and at 1500VA / 1,425W it has enough headroom for a real head-end load.

Technical Highlights:

• Line-Interactive AVR (160–285V range): Corrects mains sags and surges in real time without a battery transfer event. In commercial buildings with shared electrical feeds, this is the difference between 5 battery cycles a week and 50 — and battery health reflects it directly.
• Built-in SNMP/HTTP via Ethernet 10/100: No network management card to purchase separately. You get full SNMP polling and HTTP status pages out of the box — useful when you're managing a distributed deployment across multiple head-end closets and need UPS telemetry in your NMS alongside switch and camera data.
• 9x C13 Outputs + 490J Surge: Nine C13 receptacles cover a standard 1U server, a managed switch, a firewall, and a camera recorder without a PDU in the middle. The 490-joule surge absorber handles line transients that slip past facility protection.

Deployment Considerations:

• The 16.9-inch chassis depth is the spec most often missed at installation — measure your rack's usable depth (rail to rail plus cable management) before mounting. Some shallow two-post racks and wall-mount enclosures won't accommodate it.
• This unit is built for 230V infrastructure. If your facility has a mixed 120V/230V environment or you're integrating this into a North American rack with 120V branch circuits, this is not the correct model — verify input voltage before ordering.

The SUM1500RMXLI2U is the right call for a 230V security or IT head-end room protecting a rack-mounted NVR, a managed PoE switch, and edge networking gear — specifically where active PFC supplies are in the load mix and you need SNMP visibility without adding a management card to the BOM.