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Recommended products

On-line UPS


Az On-line dual conversion uninterruptible power supplies, also known as VFI UPSs, are the most protective types. These uninterruptible power supplies are suitable for all applications: industrial, telecommunications, IT or data center.

Their advantage is that the devices are powered by the inverter at all times, so there is no switching time and the devices do not perceive anything from the mains interference. Check out our products in the on-line UPS category!


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Cover Core 1K 1kVA/0,9kW On-line UPS
169 911 Ft+VAT=215 788 Ft
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Riello SEP 700 0,7kVA/0,63kW on-line UPS
192 950 Ft+VAT=245 047 Ft
  pcs    Add to cart
Riello SEP 1000 1kVA/0,9kW on-line UPS
207 400 Ft+VAT=263 398 Ft
  pcs    Add to cart
Cover Core ONE 2K 2kVA/2kW On-line UPS
219 406 Ft+VAT=278 646 Ft
  pcs    Add to cart
Riello SDH 1000 1kVA/0,9kW on-line UPS
268 600 Ft+VAT=341 122 Ft
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Riello SEP 1500 1,5kVA/1,35kW on-line UPS
273 700 Ft+VAT=347 599 Ft
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Cover Core ONE 3K 3kVA/3kW On-line UPS
294 135 Ft+VAT=373 552 Ft
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Riello SEP 2200 2,2kVA/1,98kW on-line UPS
344 250 Ft+VAT=437 198 Ft
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Riello SEP 3000 3kVA/2,7kW on-line UPS
385 050 Ft+VAT=489 014 Ft
  pcs    Add to cart
Riello SDH 2200 2,2kVA/1,98kW on-line UPS
414 800 Ft+VAT=526 796 Ft
  pcs    Add to cart
Riello SER 1500 1,5kVA/1,35kW on-line UPS
435 200 Ft+VAT=552 704 Ft
  pcs    Add to cart
Riello SDH 3000 3kVA/2,7kW on-line UPS
455 600 Ft+VAT=578 612 Ft
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Riello SDU 4000 4kVA/3,6kW on-line UPS
708 050 Ft+VAT=899 224 Ft
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Riello SDU 6000 PDIST 6kVA/6kW on-line UPS
1 046 350 Ft+VAT=1 328 865 Ft
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Cover JR 15 15kVA/15kW On-line UPS
1 207 708 Ft+VAT=1 533 790 Ft
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Cover JR 20 20kVA/20kW On-line UPS
1 316 615 Ft+VAT=1 672 101 Ft
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Riello Sentryum S3T 10 ACT A0 10kVA/10kW on-line UPS
2 125 000 Ft+VAT=2 698 750 Ft
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Riello Sentryum S3T 20 ACT A0 20kVA/20kW on-line UPS
2 482 000 Ft+VAT=3 152 140 Ft
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Cover Basic 1 1kVA/0,9kW On-line UPS
105 719 Ft+VAT=134 263 Ft
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Cover Core 3K TL 3kVA/2,4kW On-line UPS
197 448 Ft+VAT=250 759 Ft
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Riello SEP 1000 ER 1kVA/0,9kW on-line UPS
219 300 Ft+VAT=278 511 Ft
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Riello SDH 1500 1,5kVA/1,35kW on-line UPS
323 850 Ft+VAT=411 290 Ft
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Riello SEP 2200 ER 2,2kVA/1,98kW on-line UPS
351 050 Ft+VAT=445 834 Ft
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Riello SEP 3000 ER 3kVA/2,7kW on-line UPS
385 050 Ft+VAT=489 014 Ft
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Cover Core 6K 6kVA/6kW On-line UPS
391 354 Ft+VAT=497 020 Ft
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Riello SDH 2200 ER 2,2kVA/1,76kW on-line UPS
422 450 Ft+VAT=536 512 Ft
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Riello SDH 3000 ER 3kVA/2,4kW on-line UPS
455 600 Ft+VAT=578 612 Ft
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Riello SER 3000 ER 3kVA/2,7kW on-line UPS
470 900 Ft+VAT=598 043 Ft
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Cover Core 10K 10kVA/10kW On-line UPS
531 250 Ft+VAT=674 688 Ft
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Cover FLIX 6K 6kVA/6kW On-line UPS
573 927 Ft+VAT=728 887 Ft
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Riello SDU 4000 A0 4kVA/3,6kW on-line UPS
619 650 Ft+VAT=786 956 Ft
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Cover PKX 3-3 10K 10kVA/10kW On-line UPS
851 771 Ft+VAT=1 081 749 Ft
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Cover PS 10K 10kVA/10kW 1/1, 3/1, 3/3, 1/3 On-line UPS
863 281 Ft+VAT=1 096 367 Ft
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Riello SDU 5000 A0 5kVA/5kW on-line UPS
865 300 Ft+VAT=1 098 931 Ft
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Riello SDU 6000 A0 6kVA/6kW on-line UPS
882 300 Ft+VAT=1 120 521 Ft
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Riello SDU 5000 A0 PDIST 5kVA/5kW on-line UPS
906 100 Ft+VAT=1 150 747 Ft
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Riello SDU 6000 A0 PDIST 6kVA/6kW on-line UPS
923 100 Ft+VAT=1 172 337 Ft
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Riello STW 5000 A0 5kVA/5kW on-line UPS
956 250 Ft+VAT=1 214 438 Ft
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Riello SDU 5000 5kVA/5kW on-line UPS
961 350 Ft+VAT=1 220 915 Ft
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Riello STW 6000 A0 6kVA/6kW on-line UPS
975 800 Ft+VAT=1 239 266 Ft
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Riello SDU 6000 6kVA/6kW on-line UPS
1 002 150 Ft+VAT=1 272 731 Ft
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Cover PS 20K 20kVA/20kW 1/1, 3/1, 3/3, 1/3 On-line UPS
1 004 948 Ft+VAT=1 276 284 Ft
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Riello SDU 5000 PDIST 5kVA/5kW on-line UPS
1 005 550 Ft+VAT=1 277 049 Ft
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Cover JR 10 10kVA/10kW On-line UPS
1 029 740 Ft+VAT=1 307 769 Ft
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Riello SDU 6000 ER 6kVA/6kW on-line UPS
1 052 300 Ft+VAT=1 336 421 Ft
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Riello STW 5000 5kVA/5kW on-line UPS
1 105 850 Ft+VAT=1 404 430 Ft
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Riello STW 6000 6kVA/6kW on-line UPS
1 128 800 Ft+VAT=1 433 576 Ft
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Riello CSS CAM 3 3kVA/3kW on-line UPS
1 144 950 Ft+VAT=1 454 087 Ft
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Riello CSS CAM 5 5kVA/5kW on-line UPS
1 177 250 Ft+VAT=1 495 108 Ft
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Riello STW 6000 ER 6kVA/6kW on-line UPS
1 189 150 Ft+VAT=1 510 221 Ft
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Riello STW 8000 A0 8kVA/8kW on-line UPS
1 234 200 Ft+VAT=1 567 434 Ft
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Cover PS 30K 30kVA/30kW 1/1, 3/1, 3/3, 1/3 On-line UPS
1 239 583 Ft+VAT=1 574 271 Ft
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Riello STW 10000 A0 10kVA/10kW on-line UPS
1 258 850 Ft+VAT=1 598 740 Ft
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Riello SDU 8000 A0 8kVA/8kW on-line UPS
1 271 600 Ft+VAT=1 614 932 Ft
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Riello SDU 10000 A0 10kVA/10kW on-line UPS
1 297 100 Ft+VAT=1 647 317 Ft
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Riello SDU 8000 TM A0 10kVA/10kW on-line UPS
1 321 750 Ft+VAT=1 678 623 Ft
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Riello SDU 10000 TM A0 10kVA/10kW on-line UPS
1 348 100 Ft+VAT=1 712 087 Ft
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Cover PS 40K 40kVA/40kW 1/1, 3/1, 3/3, 1/3 On-line UPS
1 350 260 Ft+VAT=1 714 831 Ft
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Riello SDU 8000 8kVA/8kW on-line UPS
1 426 300 Ft+VAT=1 811 401 Ft
  pcs    Add to cart
Riello STW 10000 ER 10kVA/10kW on-line UPS
1 503 650 Ft+VAT=1 909 636 Ft
  pcs    Add to cart
Riello SDU 8000 TM 8kVA/8kW on-line UPS
1 507 900 Ft+VAT=1 915 033 Ft
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Riello STW 8000 8kVA/8kW on-line UPS
1 528 300 Ft+VAT=1 940 941 Ft
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Riello SDU 10000 10kVA/10kW on-line UPS
1 568 250 Ft+VAT=1 991 678 Ft
  pcs    Add to cart
Riello STW 10000 10kVA/10kW on-line UPS
1 581 000 Ft+VAT=2 007 870 Ft
  pcs    Add to cart
Riello SDU 10000 TM 10kVA/10kW on-line UPS
1 628 600 Ft+VAT=2 068 322 Ft
  pcs    Add to cart
Riello SDU 10000 TM ER 10kVA/10kW on-line UPS
1 628 600 Ft+VAT=2 068 322 Ft
  pcs    Add to cart
 

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When do I need an on-line uninterruptible power supply?

  1. If the device is very sensitive and even a very short network outage or minimal network disruption can lead to downtime, data loss, or failure.
  2. If the system's power is greater than 10 ÷ 20kVA.

Why are these online UPSs less reliable?

Online uninterruptible components (semiconductors, capacitors, etc.) are subject to constant load and high temperatures, which negatively affects their service life. Of course, it's also a matter of scaling, a thoughtfully designed and well-built on-line uninterruptible power supply can be more reliable than a poor quality VFD UPS.