APC · Uninterruptible Power Supplies (UPSs)

APC Smart-UPS Ultra On-Line Li-Ion SRTL8KRM4UI, 8KW, 4U Rack/Tower, 6xC13 & 6xC19, NMC price in United Kingdom

Model SRTL8KRM4UIMPN SRTL8KRM4UIEAN 731304578499

Noise55 dB
TypeRackmount/Tower
Weight55 kg
ColourGrey

Lowest price incl. delivery

£11,303.99

at Back to the OfficeFree deliveryIn stock

1 store
1 in stock
1 with free delivery
Checked 6 Oct 2026, 05:40 UTC

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Full specifications and side-by-side comparison

Prices in United Kingdom

1 store · prices in GBP · updated 6 Oct 2026, 05:40 UTC

Lowest price£11,303.99at Back to the Office · free shippingGo to Back to the Office

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, 05:40 UTC

Back to the OfficeLowest priceAPC Smart-UPS Ultra On-Line Li-Ion SRTL8KRM4UI, 8KW, 4U Rack/Tower, 6xC13 & 6xC19, NMC In stockFree shipping
£11,303.99incl. free shipping
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Best price · Back to the Office£11,303.99

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Product details

Identification

Brand: APC
Product: Smart-UPS Ultra On-Line Li-Ion SRTL8KRM4UI, 8KW, 4U Rack/Tower, 6xC13 & 6xC19, NMC
Full name: APC Smart-UPS Ultra On-Line Li-Ion SRTL8KRM4UI, 8KW, 4U Rack/Tower, 6xC13 & 6xC19, NMC
Manufacturer part number: SRTL8KRM4UI
EAN / UPC: 731304578499
Category: Uninterruptible Power Supplies (UPSs)

56 specifications from the manufacturer's data sheet

Features

UPS topology	Double-conversion (Online)
Output power capacity	8 kVA
Output power	8000 W
Waveform	Sine
Input operation voltage (min)	220 V
Input operation voltage (max)	240 V
Input frequency	40/70 Hz
Output operation voltage (min)	220 V
Output operation voltage (max)	240 V
Output frequency	50/60 Hz
Surge energy rating	1410 J
Heat dissipation	1900 BTU/h
Crest factor	3:1
Emergency Power Off (EPO)	Yes
Output voltage Total Harmonic Distortion (THD)	5%
Noise level	55 dB
Audible alarm(s)	Yes
Audible alarm modes	Alarm when on battery, Low battery alarm

Ports & interfaces

AC outlet types	Hard Wire 3-wire (1PH + N + G), C13 coupler, C19 coupler, Hardwire
Power plug	Hardwire
AC outlets quantity	12 AC outlet(s)
USB port	Yes
SmartSlot	Yes
SmartConnect port	No

Battery

Battery technology	Lithium-Ion (Li-Ion)
Battery voltage	180 V
Typical backup time at full load	7 min
Typical backup time at half load	15 min
Battery life (max)	10 year(s)
Battery recharge time	1.5 h

Design

Form factor	Rackmount/Tower
Product colour	Grey
Rack capacity	4U
Display type	LCD
LED indicators	Yes
International Protection (IP) code	IP20

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 altitude	0 - 3000 m
Non-operating altitude	0 - 15240 m