Uninterruptible power for servers, network cabinets and workstations. Tower and rack-mount, from 500VA desk units to 10kVA online systems.
Power protection sized on watts, not marketing VA.
Need to ride out an outage rather than shut down gracefully? Let's talk sizing.
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APC Back-UPS BE650G2-FR - UPS - AC 220/230 V - 400 Watt - 650 VA - USB - output connectors: 8 - France, Belgium - black
APC Smart-UPS SRT 3000VA RM UPS (rack-mountable / external) AC 220/230/240 V 2700 Watt 3000 VA Lead Acid RS-232, USB output connectors: 10 2U black for P/N: AR4018SPX432, AR4024SP, AR4024SPX429, AR4024SPX431, AR4024SPX432, NBWL0356A Weight: 38.60 KG
APC Back-UPS BX Series BX1600MI - UPS - AC 230 V - 900 Watt - 1600 VA - 7 Ah - output connectors: 6
APC Smart-UPS X 1500VA Rack/Tower LCD 230V with Network Card
Eaton 9PX - UPS (rack-mountable / external) - AC 200/208/220/230/240 V - 3000 Watt - 3000 VA - 1-phase - 9 Ah - RS-232, USB - output connectors: 10 - 2U - 19" - black, silver
Eaton 5PX G2 Netpack UPS (rack-mountable / external) AC 150 294 V 2200 Watt 2200 VA 1-phase 7 Ah RS-232, USB, Ethernet 10/100/1000 output connectors: 10 2U black, silver Weight: 35.68 KG
APC Smart-UPS X SMX750I - 750VA, 8x C13 output, USB, expandable runtime. AC outlet types: IEC 60320. Sustainability certificates: Green Premium
Eaton 5S 550i UPS AC 220/230/240 V 330 Watt 550 VA 1-phase 5 Ah USB output connectors: 4 black Weight: 5.98 KG
APC Smart-UPS SRT 2200VA - UPS - AC 230 V - 1980 Watt - 2200 VA - RS-232, USB - output connectors: 10
Eaton 5PX G2 UPS (rack-mountable / external) AC 150 294 V 1500 Watt 1500 VA 1-phase 9 Ah RS-232, USB, Ethernet 10/100/1000 output connectors: 8 2U black, silver Weight: 28.26 KG
APC Back-UPS BX950MI - UPS - AC 230 V - 520 Watt - 950 VA - output connectors: 6 - black
APC Smart-UPS Li-Ion 1000VA Short Depth with SmartConnect - UPS (rack-mountable) - AC 220/230/240 V - 800 Watt - 1000 VA - RS-232, USB - output connectors: 6 - 2U - black - for P/N: AR106V, AR4018SPX432, AR4024SP, AR4024SPX429, AR4024SPX431, AR4024SPX432
APC Smart-UPS SMT750IC UPS AC 220/230/240 V 500 Watt 750 VA RS-232, USB output connectors: 6 black with APC SmartConnect Weight: 13.58 KG
APC Smart-UPS X 3000VA Rack/Tower LCD 200-240V with Network Card
Eaton 5PX G2 Netpack UPS (rack-mountable / external) AC 200/208/220/230/240 V 3000 Watt 3000 VA 1-phase 9 Ah RS-232, USB, Ethernet 10/100/1000 output connectors: 10 2U black, silver Weight: 39.30 KG
APC Back-UPS BX Series BX500MI - UPS - AC 230 V - 300 Watt - 500 VA - 9 Ah - output connectors: 4
Eaton 9PX 9PX EBM 72V RT2U - UPS battery - 2U
APC Easy UPS BVX Series BVX900LI - UPS - AC 220-240 V - 480 Watt - 900 VA - 9 Ah - output connectors: 4
Eaton 5SC 750i UPS AC 220/230/240 V 525 Watt 750 VA 1-phase 7 Ah RS-232, USB output connectors: 6 black Weight: 11.86 KG
APC Back-UPS BX Series BX750MI - UPS - AC 230 V - 410 Watt - 750 VA - 9 Ah - output connectors: 4
500–1500VA line-interactive units give enough runtime for a clean shutdown and ride out brownouts.
Rack-mount 1–3kVA with network management cards for remote monitoring and scheduled shutdown.
Online double-conversion above 3kVA — zero transfer time and full waveform conditioning for sensitive kit.
Quick guidance to help you choose the right specification with confidence.
A 1500VA unit typically delivers around 900W. Size to 70–80% of the wattage so batteries aren't at their limit.
Line-interactive for most offices. Online double-conversion for sensitive equipment or poor mains.
Most units give 5–10 minutes at full load — enough for graceful shutdown, not for riding out an outage.
Tower for under desks and open floors. Rack-mount where cabinet U space allows.
A network card gives SNMP monitoring and scheduled shutdown across multiple servers.
Expect replacement every 3–5 years. Check the modules are user-serviceable.
If you need to stay up rather than shut down, you're sizing for extended packs or a generator.
Built for business customers who care about reliability, value and support.
About
Size on watts, not VA. Manufacturers headline the VA rating because it's the larger number, but the real constraint is the wattage your load draws. A 1500VA unit typically delivers around 900W, so size to 70–80% of that for headroom.
Line-interactive suits most office and small server-room loads: it corrects minor voltage sag and switches to battery in a few milliseconds. Online double-conversion runs everything through the inverter continuously, giving zero transfer time and full waveform conditioning — worth it for sensitive equipment or where the mains supply is genuinely poor.
Runtime is the easiest thing to under-specify. Most units give 5–10 minutes at full load, which is enough for a graceful shutdown but not for riding out an outage. If you need to stay up, you're sizing for extended battery packs or a generator.
Size on watts rather than VA. A 1500VA unit typically delivers around 900W, and you should load it to no more than 70–80% of that so the batteries aren't working at their limit.
Line-interactive corrects minor voltage variation and switches to battery in a few milliseconds, which suits most offices. Online double-conversion runs power through the inverter continuously, giving zero transfer time and full conditioning for sensitive equipment.
Most units provide 5–10 minutes at full load, designed for a graceful shutdown rather than riding out an outage. Extended battery packs are available where longer runtime is required.
Most people who buy hardware from us never find out that the same team runs managed IT, cloud and security for UK businesses. That side is contracted work rather than a one-off call-out — so if you are fitting out a company rather than replacing a single laptop, it is worth a conversation.
Monitoring, patching and an SLA-backed helpdesk under a monthly contract. Remote first, with on-site support where the contract provides for it.
Learn moreHardening, firewall management and vulnerability scanning — plus Cyber Essentials certification support. We are certified ourselves.
Learn moreMicrosoft 365 and Azure provisioning, migration and management, with hybrid architecture where keeping hardware on site makes sense.
Learn moreIT strategy, infrastructure reviews, procurement strategy and project management — the work that decides what to buy, and in what order, before anyone buys it.
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