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Black 3U rackmount UPS with LCD screen and six outlets

APC

APC SMTL1500RM3UC 1500VA 1350W 120V Li-ion Short Depth UPS

SKU CH-NDPY-Y1TF6 MPN SMTL1500RM3UC

Line-interactive 1500VA UPS with lithium-ion battery, six NEMA 5-15R outlets and cloud monitoring in a short-depth 3U rackmount

  • Voltage version120 V
  • AC input voltage82–144 V
  • Input line frequency50/60 Hz +/- 3 Hz
  • Power inputNEMA 5-15P
  • Volt-ampere rating1500 VA
  • Power rating1350 W

Model SMTL1500RM3UC

  • 1500 VA capacity supports critical loads during outages
  • Lithium-ion battery recharges in 2 hours for fast recovery
  • 6 NEMA 5-15R outlets deliver pure sine wave power
  • depth 3U rackmount fits space-constrained cabinets
  • SmartConnect enables cloud monitoring and proactive alerts

1500VA 120V Li-ion Rackmount UPS

The APC SMTL1500RM3UC is a line-interactive uninterruptible power supply that delivers 1500 VA and 1350 W of pure sine wave output at 120 V. It fits a 3U short-depth rack footprint and uses a lithium-ion battery that recharges in two hours. A multi-function LCD console shows status and allows local control. Six NEMA 5-15R outlets provide battery-backed power for connected equipment.

IT managers needing remote oversight

Network administrators gain cloud-based monitoring, firmware updates, remote diagnostics and proactive email alerts through the SmartConnect feature. A SmartSlot accepts an optional management card for graceful shutdown of servers, virtual machines and HCI clusters. Sites requiring a different input voltage, alternative outlet styles or a user-replaceable battery cartridge should look elsewhere.

120 V input with 82–144 V range

The unit accepts 120 V nominal input and operates across an 82 to 144 V window at 50 or 60 Hz. This single electrical parameter determines whether the UPS can be deployed on a given circuit without additional transformers or voltage regulators.

How it compares

Measured against everything we stock in Uninterruptible Power Supplies (UPS), at today’s prices. Recalculated every night.

Price $1,779.99
Pricier than about 71% of the 1,153 comparable items (median $948.99).

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Specifications

Product
Brand nameAPC
Model nameSMTL1500RM3UC
Power
Voltage version120 V
AC input voltage82–144 V
Input line frequency50/60 Hz +/- 3 Hz
Power inputNEMA 5-15P
Volt-ampere rating1500 VA
Power rating1350 W
Voltage output120 V
AC output frequency50/60 Hz +/- 3 Hz (auto sensing)
Power outlets6
Battery typeLithium Ion
Battery charge time2 h
Surge protection rating680 Joules
Size & build
Product dimensions5.14 in × 17.25 in × 11.89 in
Product weight43 lb (19.5 kg)
Shipping weight22.57 kg
Package size584 × 451 × 273 mm
Environment & compliance
Regulatory approvalsCSA C22.2 NO. 107.3, FCC Part 15 Class A, NOM, UL 1778, UL 1973

Other versions of this model

5 more in the same range

Questions about this item

What input plug must my building supply to connect the NEMA 5-15P cord?

The UPS ships with a NEMA 5-15P plug that requires a standard 120 V, 15 A receptacle.

Will the six NEMA 5-15R outlets power older 5-15P devices at the same 120 V?

Yes, all six outlets deliver 120 V and accept legacy NEMA 5-15P plugs directly.

How can I confirm the lithium-ion battery is charging correctly after installation?

The multi-function LCD console shows battery charge percentage and estimated runtime in real time.

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