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APC SRT5KRMXLT uninterruptible power supply (UPS) Double-conversion (Online) 4.25 kVA

APC · Uninterruptible Power Supplies (UPSs)

APC SRT5KRMXLT uninterruptible power supply (UPS) Double-conversion (Online) 4.25 kVA price in United Kingdom

Model SRT5KRMXLTMPN SRT5KRMXLTEAN 731304301509EAN 7313043015096

  • Battery840 VAh
  • Noise55 dB
  • TypeRackmount/Tower
  • Weight55.8 kg

Lowest price incl. delivery

£4,181.99

at Back to the OfficeFree deliveryIn stock

  • 1 store
  • 1 in stock
  • 1 with free delivery
  • Checked 6 Oct 2026, 17:41 UTC

Ad · prices and stock as last reported by the store; the store's checkout is what counts.

Full specifications and side-by-side comparison

Prices in United Kingdom

1 store · prices in GBP · updated 6 Oct 2026, 17:41 UTC

Lowest price£4,181.99at Back to the Office · free shippingGo to Back to the Office (opens in a new tab)
Price range across 1 offer

Every store asks the same price.

  • 1 of 1 stores in stock
  • 1 with free shipping
  • Checked 6 Oct 2026, 17:41 UTC

  1. Back to the OfficeLowest priceAPC SRT5KRMXLT uninterruptible power supply (UPS) Double-conversion (Online) 4.25 kVA 4250 W 4 AC outlet(s) In stockFree shipping
    £4,181.99incl. free shipping
    Go to store : Back to the Office (opens in a new tab)

Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 6 Oct 2026, 17:41 UTC, and can change at any time. Taxes are included only where the store includes them.

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Best price · Back to the Office£4,181.99
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Product details

Identification

Brand
APC
Product
SRT5KRMXLT uninterruptible power supply (UPS) Double-conversion (Online) 4.25 kVA
Full name
APC SRT5KRMXLT uninterruptible power supply (UPS) Double-conversion (Online) 4.25 kVA 4250 W 4 AC outlet(s)
Manufacturer part number
SRT5KRMXLT
EAN / UPC
731304301509, 7313043015096

Energy · ENERGY STAR certified

List
Uninterruptible power supplies
Certified
2018-12-28
Average efficiency
94.4 %

64 specifications from the manufacturer's data sheet

Features

UPS topologyDouble-conversion (Online)
Output power capacity4.25 kVA
Output power4250 W
WaveformSine
Input operation voltage (min)100 V
Input operation voltage (max)275 V
Input frequency40 - 70 Hz
Output operation voltage (min)208 V
Output operation voltage (max)240 V
Output frequency50/60 Hz
Surge energy rating480 J
Heat dissipation1047 BTU/h
Crest factor3:1
Input current Total Harmonic Distortion (THD)2%
Noise level55 dB
Surge protectionYes
Audible alarm(s)Yes
Web-based managementYes
Auto-restartYes

Ports & interfaces

AC outlet typesNEMA L6-20R, NEMA L6-30R
Power plugNEMA L6-30P
AC outlets quantity4 AC outlet(s)
USB portYes
Serial interfaceYes
Serial interface typeRJ-45
Serial ports quantity1
Ethernet LAN (RJ-45) ports1
Cabling technology10/100Base-T
Emergency Power Off (EPO) connectorYes
SmartSlotYes

Battery

Battery technologySealed Lead Acid (VRLA)
Battery capacity840 VAh
Battery voltage192 V
Battery life (max)5 year(s)
Battery recharge time1.5 h
Hot-swap batteryYes
Automatic battery testYes
Cold startYes
Replacement battery cartridgeAPCRBC140

Design

Form factorRackmount/Tower
Product colourBlack
Rack capacity3U
Display typeLCD
LED indicatorsAlarm, Status
International Protection (IP) codeIP20

Operational conditions

Operating temperature (T-T)0 - 40 °C
Storage temperature (T-T)-15 - 45 °C
Operating relative humidity (H-H)0 - 95%
Storage relative humidity (H-H)0 - 95%
Operating altitude0 - 3000 m
Non-operating altitude0 - 15000 m

Certificates

Compliance certificatesRoHS
CertificationCSA C22.2 No.107.3-05, FCC Part 15 Class A, NOM, OSHPD, UL 1778

Sustainability

Sustainability certificatesENERGY STAR

Weight & dimensions

Width432 mm
Depth719 mm
Height130 mm
Weight55.8 kg

Packaging data

Package width610 mm
Package depth960 mm
Package height330 mm
Package weight68 kg

Logistics data

Products per pallet6 pc(s)
Warranty period3 year(s)

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