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Black rectangular 4U rackmount UPS with front display and multiple rear outlets

APC

APC Smart-UPS On-Line SRT6KRMXLT 6000 VA UPS

SKU CH-F57X-XTTF6 MPN SRT6KRMXLT

Delivers 6000 VA pure sine wave power with hard-wire input, six outlets including NEMA L6-20R and L6-30R, and network management via USB, serial and SmartSlot

  • AC input voltage208 V
  • Input line frequency45–65 Hz (auto sensing)
  • Power inputHard Wire 3-wire (2PH + G)
  • Volt-ampere rating6000 VA
  • Power rating6000 W
  • Voltage output208 V
  • Pure sine wave output protects sensitive equipment
  • 6000 VA and 6000 W capacity handles heavy loads
  • Six outlets including hard-wire, L6-20R and L6-30R
  • Five management interfaces plus SmartSlot for expansion
  • ENERGY STAR, FCC Class A and UL 1778 approved

On-line UPS for critical IT infrastructure

The APC Smart-UPS On-Line SRT6KRMXLT is a 6000 VA on-line UPS delivering pure sine wave output at 208 V. It is built for IT professionals and network administrators who require continuous, clean power for servers and network equipment. The unit provides 6000 W of capacity to support demanding loads during utility failures.

4U rackmount design with hard-wire input and mixed

This 4U rackmountable unit accepts a hard-wire 3-wire (2PH + G) input connection at 208 V. It supplies six outlets comprising one hard-wire 3-wire (2PH + G), one NEMA L6-20R and one NEMA L6-30R for diverse equipment plugs. Sealed lead-acid batteries recharge in three hours and are user-replaceable using the APCRBC140 cartridge.

Network management via embedded card and SmartSlot

Management interfaces include Contact Closure, RJ-45 10/100 Base-T, RJ-45 Serial, Smart-Slot and USB, with PowerChute Network Shutdown software included. The embedded network card enables remote monitoring and graceful shutdown of physical and virtual servers. Approvals cover ENERGY STAR, FCC Part 15 Class A and UL 1778.

How it compares

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

Price $5,912.99
Pricier than about 90% of the 1,153 comparable items (median $948.99).

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Specifications

Product
Brand nameAPC
Product lineSmart-UPS On-Line
Model nameSRT6KRMXLT
Ports & slots
Communication portsContact Closure, RJ-45 10/100 Base-T, RJ-45 Serial, Smart-Slot, USB
Power
AC input voltage208 V
Input line frequency45–65 Hz (auto sensing)
Power inputHard Wire 3-wire (2PH + G)
Volt-ampere rating6000 VA
Power rating6000 W
Voltage output208 V
AC output frequency50/60 Hz +/- 3 Hz
Power outlets6
Battery typeSealed Lead Acid
Battery charge time3 hour(s)
Replacement batteryAPCRBC140
AlertsAudible and visible alarms prioritized by severity
Surge protection rating480 Joules
Size & build
Rack mounting4U
Product dimensions6.85 in × 17 in × 28.32 in (H × W × D)
Product weight135 lb (61.2 kg)
Shipping weight95.25 kg
Package size959 × 622 × 371 mm
In the box
In the boxAPC Smart-UPS SRT6KRMXLT 6000 VA RM 208VCD with software, Documentation CD, Installation guide, Rack Mounting brackets, Rack mounting hardware, Rack Mounting support rails, Temperature Probe, USB cable, Warranty card
Environment & compliance
Regulatory approvalsENERGY STAR (USA), FCC Part 15 Class A, UL 1778
Software
Control softwareYES

Questions about this item

What management interfaces does the RJ-45 10/100 Base-T port support for this UPS?

The RJ-45 10/100 Base-T port provides network connectivity for the embedded Network Management Card, enabling remote monitoring, configuration, and alert notifications over Ethernet.

What rack space and input wiring does the SRT6KRMXLT require for installation?

This unit occupies 4U of rack space and requires a hard-wired 3-wire (2PH + G) connection for 208 V input.

How do you install the replacement battery cartridge, and what step is often missed?

The APCRBC140 cartridge is hot-swappable; after inserting it, you must reset the battery replacement date via the display menu or management software to clear the alarm.

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