Best sellers, best uninterruptible Power Supplies

We also think that you deserve the best. That’s why on this page, we ranked uninterruptible Power Supplies from the most sold to the least sold. You have 468 products to choose from. Customers have the most interest in EATON UPS 5E 900 USB FR Gen2, which you can buy for 76.99 € incl. VAT. If you’re intrested in uninterruptible Power Supplies in terms of the highest reviews, then look at the uninterruptible Power Supplies reviews and tests category.
468 Results
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FSP UPS Eufo RT 2K 2U, 2000 VA/1800 W, line-interactive
Uninterruptible Power Supply - Rack/Tower UPS, backup time at 100% load 3 min, backup time at 50% load 8 min, actual and apparent performance 1800 W / 2000 VA, max. output voltage 240 V, rack position height 2U, line interactive, 8×IEC Jumpers, 8×IEC 320 C13, USB, RS-232 and SNMP, LCD display and vertical and horizontal positioning, dimensions 88 × 438 × 510 mm (H×W×D), weight 21.5 kg
  513.90 €
Buy
Ordered on request
Order Code: FSP26003
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FSP UPS Eufo RT 1.1K 2U, 1100 VA/990 W, line-interactive
Uninterruptible Power Supply - Rack/Tower UPS, backup time at 100% load 2 min, backup time at 50% load 7 min, actual and apparent performance 990 W / 1100 VA, max. output voltage 240 V, rack position height 2U, line interactive, 8×IEC Jumpers, 8×IEC 320 C13, USB, RS-232 and SNMP, LCD display and vertical and horizontal positioning, dimensions 88 × 438 × 410 mm (H×W×D), weight 13.3 kg
  348.90 €
Buy
In stock 2 pcs at the supplier's
Order Code: FSP26002
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FSP UPS CHAMP 2K rack 2U IEC, 2000 VA/1800 W, online
Uninterruptible Power Supply - Rack/Tower UPS, backup time at 100% load 3 min, backup time at 50% load 9 min, actual and apparent performance 1800 W / 2000 VA, max. output voltage 240 V, rack position height 2U, online with double conversion, 4×IEC Jumpers, 4×IEC 320 C13, USB, RS-232 and SNMP, LCD display and vertical and horizontal positioning, dimensions 88 × 438 × 630 mm (H×W×D), weight 19 kg
  509.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: FSP26010
FSP UPS Clippers LB 5KVA, 5000 VA/5000 W, long run, online (Lithium Battery Series) - Uninterruptible Power Supply Free delivery
Alzaboxes and stores
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FSP UPS Clippers LB 5KVA, 5000 VA/5000 W, long run, online (Lithium Battery Series)
Uninterruptible Power Supply - rack UPS, actual and apparent performance 5000 W / 5000 VA, max. output voltage 240 V, rack position height 3U, online with double conversion, LCD display, dimensions 133 × 438 × 420 mm (H×W×D), weight 15 kg
  961.90 €
Buy
Ordered on request
Order Code: FSP26014
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FSP UPS CHAMP 3K rack 2U IEC, 3000 VA/2700 W, online
Uninterruptible Power Supply - Rack/Tower UPS, backup time at 100% load 3 min, backup time at 50% load 9 min, actual and apparent performance 2700 W / 3000 VA, max. output voltage 240 V, rack position height 2U, online with double conversion, 4×IEC Jumpers, 4×IEC 320 C13, USB, RS-232 and SNMP, LCD display and vertical and horizontal positioning, dimensions 88 × 438 × 630 mm (H×W×D), weight 29.3 kg
  632.90 €
Buy
Ordered on request
Order Code: FSP26011
FSP UPS Clippers 6KL 2U, 6000 VA/6000 W, long run, online - Uninterruptible Power Supply Free delivery
Alzaboxes and stores
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FSP UPS Clippers 6KL 2U, 6000 VA/6000 W, long run, online
Uninterruptible Power Supply - rack UPS, actual and apparent performance 6000 W / 6000 VA, max. output voltage 240 V, rack position height 2U, online with double conversion, LCD display, dimensions 88 × 438 × 600 mm (H×W×D), weight 17 kg
  1,429 €
Buy
Ordered on request
Order Code: FSP26013
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Ubiquiti UniFi UPS 2U
Uninterruptible Power Supply - rack UPS, backup time at 100% load 2.3 min, backup time at 50% load 8 min, actual and apparent performance 1000 W / 1500 VA, max. output voltage 230 V, rack position height 2U, line interactive, 8×IEC 320 C13, ethernet , 95% efficiency at 100% load, 98% efficiency at 50% load, AVR, frame width 482.6 mm, dimensions 87.4 × 442.4 × 300 mm (H×W×D), weight 14 kg
  346.90 €
Buy
On the way 3 pcs
Expected 11/11/2026
Order Code: Ubiq26231
4.5 44×
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APC Easy-UPS BVX 1200VA (Schuko)
Uninterruptible Power Supply - tower UPS, backup time at 50% load 6.75 min, actual and apparent performance 650 W / 1200 VA, max. output voltage 230 V, line interactive, 4×Schuko, 97,3% efficiency at 100% load, 95,2% efficiency at 50% load, AVR, dimensions 190 × 140 × 390 mm (H×W×D), weight 7.5 kg
-22 % off new 107.90 € New 139.90 €
Buy
As good as new - in stock 1 pcs
Order Code: nAPC_zz006
4.0 1×
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FSP UPS CHAMP 3K Tower, 3000 VA / 2700W, online, Schuko
Uninterruptible Power Supply Online UPS, 3000 VA / 2700W, Tower, Schuko outlets, LCD display, USB/RS-232, SNMP slot, pure sine wave
-18 % off new 410.90 € New 503.90 €
Buy
As good as new - in stock 2 pcs
Order Code: fsp25001
3.9 7×
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EATON UPS 5E 1600 USB DIN Gen2
Uninterruptible Power Supply - tower UPS, actual and apparent performance 900 W / 1600 VA, max. output voltage 230 V, line interactive, 4×Schuko, USB, 95% efficiency at 100% load, AVR, dimensions 180 × 133 × 330 mm (H×W×D), weight 9.3 kg
-25 % off new 147.90 € New 198.90 €
Buy
As good as new - in stock 1 pcs
Order Code: Eaton23_15
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APC Back-UPS Pro Gaming BGM2200-GR, white
Uninterruptible Power Supply - tower UPS, actual and apparent performance 1320 W / 2.2 VA, max. output voltage 230 V, rack position height 0U, line interactive, 4×Schuko, 2×IEC 320 C13, protection data network RJ-45 and USB, USB for charging and LCD display, dimensions 292.1 × 104.1 × 408.9 mm (H×W×D), weight 12.3 kg
  469.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: APC25008
5.0 1×
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CyberPower CP2000EIPFCRM2U
Uninterruptible Power Supply - rack UPS, backup time at 100% load 1.3 min, backup time at 50% load 7.9 min, actual and apparent performance 1200 W / 2000 VA, max. output voltage 230 V, rack position height 2U, line interactive, 1×IEC 320 C13, protection data network RJ-45, protection telephone network RJ-11 and SNMP, 96% efficiency at 100% load, 98% efficiency at 50% load, LCD display and AVR, frame width 482 mm, dimensions 86 × 433 × 274 mm (H×W×D), weight 12.96 kg
  452.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: CyberP25003
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CyberPower CP1600EIPFCRM2U
Uninterruptible Power Supply - rack UPS, backup time at 100% load 2.5 min, backup time at 50% load 10.4 min, actual and apparent performance 1000 W / 1600 VA, max. output voltage 230 V, rack position height 2U, line interactive, 1×IEC 320 C13, protection data network RJ-45, protection telephone network RJ-11 and SNMP, 96% efficiency at 100% load, 98% efficiency at 50% load, LCD display and AVR, frame width 482 mm, dimensions 86 × 433 × 274 mm (H×W×D), weight 12.56 kg
  398.90 €
Buy
In stock 1 pcs
Order Code: CyberP25002
4.5 44×
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APC Easy-UPS BVX 900VA (Schuko)
Uninterruptible Power Supply - tower UPS, backup time at 50% load 6.5 min, actual and apparent performance 480 W / 900 VA, max. output voltage 230 V, line interactive, 2×Schuko, 97% efficiency at 100% load, 94,5% efficiency at 50% load, AVR, dimensions 160 × 120 × 335 mm (H×W×D), weight 6 kg
-12 % off new 100.90 € New 115.90 €
Buy
As good as new - in stock 1 pcs
Order Code: nAPC_zz004
APC Smart-UPS SRT Lithium Ion 2200VA RM 4U 230V Long Runtime with Network Card - Uninterruptible Power Supply Free delivery
to Alza branch
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APC Smart-UPS SRT Lithium Ion 2200VA RM 4U 230V Long Runtime with Network Card
Uninterruptible Power Supply - Rack/Tower UPS, backup time at 100% load 55 min, backup time at 50% load 124 min, actual and apparent performance 1980 W / 2200 VA, max. output voltage 230 V, rack position height 4U, online with double conversion, 2×IEC 320 C19, 6×IEC 320 C13, USB and ethernet , 91,7% efficiency at 100% load, dimensions 171 × 432 × 639 mm (H×W×D), weight 43.7 kg
  4,509 €
Buy
Ordered on request
Order Code: APC25004
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Eaton UPS 3P Ellipse 1700 USB IEC
Uninterruptible Power Supply - tower UPS, backup time at 100% load 1 min, actual and apparent performance 1040 W / 1700 VA, off-line, 2×IEC Jumpers, 8×IEC 320 C13, USB, 97% efficiency at 100% load, USB for charging, dimensions 305 × 81 × 312 mm (H×W×D), weight 7.8 kg
  362.90 €
Buy
In stock 3 pcs at the supplier's
Order Code: Eaton25012
5.0 2×
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Eaton UPS 3P Ellipse 1700 USB FR
Uninterruptible Power Supply - tower UPS, backup time at 100% load 1 min, actual and apparent performance 1040 W / 1700 VA, off-line, 8×FR, USB, 97% efficiency at 100% load, USB for charging, dimensions 305 × 81 × 312 mm (H×W×D), weight 7.8 kg
  362.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Eaton25011
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Eaton UPS 3P Ellipse 1300 USB IEC
Uninterruptible Power Supply - tower UPS, backup time at 100% load 1 min, actual and apparent performance 840 W / 1300 VA, off-line, 2×IEC Jumpers, 8×IEC 320 C13, USB, 97% efficiency at 100% load, USB for charging, dimensions 305 × 81 × 312 mm (H×W×D), weight 7 kg
  261.90 €
Buy
In stock > 5 pcs at the supplier's
Order Code: Eaton25010
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Eaton UPS 3P Ellipse 700 USB IEC
Uninterruptible Power Supply - tower UPS, backup time at 100% load 1 min, backup time at 50% load 9 min, actual and apparent performance 420 W / 700 VA, off-line, 2×IEC Jumpers, 4×IEC 320 C13, USB, 97% efficiency at 100% load, USB for charging, dimensions 263 × 81 × 235 mm (H×W×D), weight 3.9 kg
  143.90 €
Buy
In stock 5 pcs at the supplier's
Order Code: Eaton25006
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Eaton UPS 3P Ellipse 900 USB IEC
Uninterruptible Power Supply - tower UPS, backup time at 100% load 1 min, actual and apparent performance 540 W / 900 VA, off-line, 2×IEC Jumpers, 4×IEC 320 C13, USB, 97% efficiency at 100% load, USB for charging, dimensions 263 × 81 × 235 mm (H×W×D), weight 4.4 kg
  182.90 €
Buy
In stock 4 pcs at the supplier's
Order Code: Eaton25008
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Eaton UPS 3P Ellipse 700 FR
Uninterruptible Power Supply - tower UPS, backup time at 100% load 1 min, backup time at 50% load 9 min, actual and apparent performance 420 W / 700 VA, off-line, 4×FR, 97% efficiency at 100% load, dimensions 263 × 81 × 235 mm (H×W×D), weight 3.7 kg
  131.90 €
Buy
In stock > 5 pcs
Order by midnight, get it at the AlzaBox in the morning.
Info
Order Code: Eaton25003
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Eaton UPS 3P Ellipse 700 IEC
Uninterruptible Power Supply - tower UPS, backup time at 100% load 1 min, backup time at 50% load 9 min, actual and apparent performance 420 W / 700 VA, off-line, 2×IEC Jumpers, 4×IEC 320 C13, 97% efficiency at 100% load, dimensions 263 × 81 × 235 mm (H×W×D), weight 3.7 kg
  142.90 €
Buy
In stock > 5 pcs at the supplier's
Order Code: Eaton25004
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Eaton UPS 3P Ellipse 550 IEC
Uninterruptible Power Supply - tower UPS, backup time at 100% load 1 min, backup time at 50% load 7 min, actual and apparent performance 330 W / 550 VA, off-line, 2×IEC Jumpers, 4×IEC 320 C13, 97% efficiency at 100% load, dimensions 263 × 81 × 235 mm (H×W×D), weight 3 kg
  130.90 €
Buy
In stock 3 pcs at the supplier's
Order Code: Eaton25002
APC Smart-UPS SRT Lithium Ion 2200VA RM 4U 230V Long Runtime - Uninterruptible Power Supply Free delivery
to Alza branch
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APC Smart-UPS SRT Lithium Ion 2200VA RM 4U 230V Long Runtime
Uninterruptible Power Supply - backup time at 100% load 55 min, backup time at 50% load 130 min, actual and apparent performance 1980 W / 2200 VA, max. output voltage 230 V, rack position height 4U, online with double conversion, 2×IEC 320 C19, 6×IEC 320 C13, protection data network RJ-45 and USB, dimensions 171 × 432 × 639 mm (H×W×D), weight 44.5 kg
  3,949 €
Buy
Ordered on request
Order Code: APC25003
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