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APC Smart-UPS Online RT 15KVA RM 208V, 208V/120V 10KVA Step down Transformer, SURT15KRMXLT-1TF10K
APC Smart-UPS Online RT 15KVA RM 208V, 208V/120V 10KVA Step down Transformer, SURT15KRMXLT-1TF10K
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  • Load image into Gallery viewer, APC Smart-UPS Online RT 15KVA RM 208V, 208V/120V 10KVA Step down Transformer, SURT15KRMXLT-1TF10K

APC Smart-UPS Online RT 15KVA RM 208V, 208V/120V 10KVA Step down Transformer, SURT15KRMXLT-1TF10K

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SURT15KRMXLT-1TF10K Features

High density, double-conversion on-line power protection with scalable runtime
Includes: CD with software, Rack mounting support rails, Smart UPS signalling RS-232 cable, User manual, Web/SNMP management card

Key Features

Run time at full load
8m 17s

Output power capacity
12.0kWatts / 15.0kVA
Rack Height
Output Connections
(2) NEMA L6-30R (Battery Backup)
(2) NEMA L14-30R (Battery Backup)
(4) NEMA L6-20R (Battery Backup)
(2) NEMA L5-20R (Battery Backup)
(1) Hard wire 4-wire (2P + N + E) (Battery Backup)
Nominal Output Voltage
120V, 208V
Nominal Input Voltage
Input Connections
Hard wire 3-wire (2P + E)
Maximum Input Current

  • LCD display
    Manage the UPS locally through a text-based display that allows quick diagnosis via stored alarm conditions and events.
  • Manageable external batteries
    Reduces preventative maintenance service needs by monitoring the health and status of the external batteries and their expected runtime.
  • Rack/Tower convertible
    Protects the initial investment in the UPS when migrating from tower to rack-mount environment.
  • Removable input/output wiring tray
    Allows quick and easy installation and maintenance of the UPS.

Smart-UPS On-Line Features & Benefits


Resettable circuit breaker
Easy recovery from overloads; no need to replace a fuse. (Not available on Wall Tap SKUs)
Power conditioning
Protects connected loads from surges, spikes, lightning, and other power disturbances.
Safety-agency approved
Ensures the product has been tested and approved to work safely with the connected service provider equipment and within the specified environment.
Frequency and voltage regulation
Gives higher application availability by correcting poor frequency and voltage conditions without using the battery.
Cold-start capable
Provides temporary battery power when the utility power is out.
Input Power Factor Correction
Minimizes installation costs by enabling the use of smaller generators and cabling.
Generator compatible
Ensures clean, uninterrupted power to protected equipment when generator power is used.


Plug-and-Play external batteries
Ensures clean, uninterrupted power to the loads when adding extra runtime to the UPS.
Rack/Tower convertible
Protects the initial investment in the UPS when migrating from tower to rack-mount environment.
Flash upgradeable firmware
Install maintenance releases of firmware remotely using FTP.


Predictive failure notification.
Provides early-warning fault analysis ensuring proactive component replacement.
Disconnected battery notification
Warns when a battery is not available to provide backup power.
Automatic self-test
Periodic battery self-test ensures early detection of a battery that needs to be replaced.
Audible alarms
Provides notification of changing utility power and UPS power conditions
User-replaceable batteries
Increases availability by allowing a trained user to perform upgrades and replacements of the batteries reducing Mean Time to Repair (MTTR)


InfraStruXure Manager Compatible
Enables centralized management via the APC InfraStruXure Manager.
LED status indicators
Quickly understand unit and power status with visual indicators.
Network manageable
Provides remote power management of the UPS over the network.
Serial connectivity
Provides management of the UPS via a serial port.
Customize UPS capabilities with management cards.

Marketing features

Low operating and maintenance costs with proven reliability and intelligent battery management .
Intelligent battery management, pioneered by APC, maximizes battery performance and life through intelligent, precision temperature compensated charging. Automatic self tests insure battery reliability and warn customers in advance of battery replacement. Convenient, easy to connect, hot-swappable battery modules provide battery replacement without powering down.
Avoids costly power problems by keeping your IT equipment and data protected and available .
Network grade power conditioning protects from damaging surges and disruptive noise. The double conversion architecture provides tight voltage regulation, frequency regulation ,and zero transfer time to battery during power events.
Save time with easy and convenient remote/network accessibility.
Network manageable via serial, USB or Ethernet. Includes Powerchute® Software for convenient monitoring and control, safe operating system shutdown, and innovative energy management capabilities.
Peace of mind that comes with full equipment compatibility and reliability of a leader
Provides pure sine wave output which is recommended by server manufacturers using active power factor corrected (PFC) power supplies. Safety agency tested and approved means that you can deploy Smart-UPS with confidence that they meet or exceed the industry’s most rigorous standards.


Scalable runtime
Allows additional run time to be quickly added as needed.
Temperature-compensated battery charging
Prolongs battery life by regulating the charge voltage according to battery temperature.
Automatic internal bypass
Supplies utility power to the connected loads in the event of a UPS power overload or fault.
Automatic restart of loads after UPS shutdown
Automatically starts up the connected equipment upon the return of utility power.
Hot-swappable batteries
Ensures clean, uninterrupted power to protected equipment while batteries are being replaced
Intelligent battery management
Maximizes battery performance, life, and reliability through intelligent, precision charging.

Technical Specifications


Max Configurable Power (Watts)
12.0kWatts / 15.0kVA
Output Voltage Note
Configurable for 220 : 230 or 240 nominal output voltage
Output Voltage Distortion
Less than 5 %
Output Frequency (sync to mains)
50/60 Hz +/- 3 Hz user adjustable +/- 0.1 Hz Sync to mains
Other Output Voltages
220, 240
Load Crest Factor
3 : 1
Double conversion online
Waveform type
Sine wave
Overload Operation
60 seconds at 125% and 30 seconds at 150%
Built-in static bypass, Internal bypass (automatic and manual), Optional external bypass


Input frequency
40 - 70 Hz Auto-sensing
Input voltage range for main operations
160 - 280V
Input Total Harmonic Distortion
Less than 5 % for full load
Other Input Voltages
Input Power Factor at Full Load

Batteries & Runtime

Battery type
Lead-acid battery
Included Battery Modules
Typical recharge time
Nominal Battery Voltage
+/- 192 V (split battery referenced to neutral)
Replacement Battery
Expected Battery Life (years)
3 - 5
RBC Quantity
Battery Charge Power (Watts)
Extendable Run Time
End of Discharge Battery Voltage
+/- 154 V
Efficiency in Battery Operation
93.0 %

Communications & Management

Interface Port(s)
DB-9 RS-232, RJ-45 10/100 Base-T, Smart-Slot
Pre-Installed SmartSlot™ Cards
Control panel
Multifunction LCD status and control console
Audible Alarm
Audible and visible alarms : configurable delays
Emergency Power Off (EPO)

Surge Protection and Filtering

Full time multi-pole noise filtering : 0.3% IEEE surge let-through : zero clamping response time : meets UL 1449


Maximum Height
27.87inches (708MM, 70.8CM)
Maximum Width
17.01inches (432MM, 43.2CM)
Maximum Depth
30.43inches (773MM, 77.3CM)
Net Weight
766.61lbs. (347.73KG)
Shipping weight
968.03lbs. (439.09KG)
Shipping Height
54.96inches (1396MM, 139.6CM)
Shipping Width
24.02inches (610MM, 61.0CM)
Shipping Depth
39.49inches (1003MM, 100.3CM)
Units per Pallet


Operating Temperature
32 - 104 °F (0 - 40 °C)
Operating Relative Humidity
0 - 95 (Non-condensing) %
Operating Elevation
0 - 10000ft (0 - 3048meters)
Storage Temperature
-15 - 45 °C
Storage Elevation
0 - 50000ft (0 - 15240meters)
Audible noise at 1 meter from surface of unit
Online thermal dissipation
Protection Class


UL 1778
Standard warranty
2 years repair or replace

Sustainable Offer Status

Available in Documentation tab
Available in Documentation tab