APC · Uninterruptible Power Supplies (UPSs)

APC Easy UPS 3S 20 kVA price in United Kingdom

Model E3SUPS20K3IBMPN E3SUPS20K3IBEAN 731304340775

TypeRackmount
Weight150 kg
ColourWhite
UPS topologyDouble-conversion (Online)

Lowest price incl. delivery

£5,997.99

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£5,997.99at 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 Easy UPS 3S 20 kVA 400 V 3:1 UPS for internal batteries In stockFree shipping
£5,997.99incl. 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, 05:40 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£5,997.99

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Product details

Identification

Brand: APC
Product: Easy UPS 3S 20 kVA
Full name: APC Easy UPS 3S 20 kVA 400 V 3:1 UPS for internal batteries
Manufacturer part number: E3SUPS20K3IB
EAN / UPC: 731304340775
Category: Uninterruptible Power Supplies (UPSs)

34 specifications from the manufacturer's data sheet

Features

UPS topology	Double-conversion (Online)
Output power capacity	20 kVA
Output power	20000 W
Input operation voltage (min)	304 V
Input operation voltage (max)	477 V
Input frequency	45/65 Hz
Output operation voltage (min)	220 V
Output operation voltage (max)	240 V
Output frequency	50/60 Hz
Maximum current	37 A
Power factor	0.99
Crest factor	3:1
Output voltage Total Harmonic Distortion (THD)	5.5%

Ports & interfaces

AC outlet types	Hardwire

Battery

Battery technology	Sealed Lead Acid (VRLA)
Battery voltage	240 V

Design

Form factor	Rackmount
Product colour	White
International Protection (IP) code	IP20

Operational conditions

Operating temperature (T-T)	0 - 40 °C
Storage temperature (T-T)	-25 - 55 °C
Operating relative humidity (H-H)	0 - 95%
Storage relative humidity (H-H)	0 - 95%