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nJoy Balder 1500 Online UPS - 1500 W / 1500 VA - 8 C13 outlets (PWUP-OL150BA-AZ)

Convertible: it stands on the floor or mounts in a 19-inch rack over 2U. Around 11 minutes of runtime at half load (750 W), and the network or telephone line is protected against surges too.

  • Runtime: 11 min at 50% load (750 W), 27 min at 25%, 3 min at full load
  • C13 outlets: the format of computer and server power cords
  • 4 of the 8 outlets are programmable to switch off secondary equipment
  • Convertible: rack mounting over 2U or tower placement
  • Pure sine wave output
  • USB and RS-232 ports and an intelligent port for an optional SNMP or Modbus card
  • ViewPower software for monitoring and automatic shutdown
  • Hot-swappable batteries
  • Optional external battery pack to extend the runtime
  • 2 RJ11/RJ45 ports: the network or telephone line is protected against surges
  • Input voltage accepted from 160 to 300 V at full load, from 110 V at half load
  • EPO function (emergency power off) and cold start
  • Efficiency up to 96% in ECO mode
  • Sound level below 50 dB
  • Recharge to 95% in 3 hours
Ref.: PWUP-OL150BA-AZ
nJoy Balder 1500 Online UPS - 1500 W / 1500 VA - 8 C13 outlets (PWUP-OL150BA-AZ) — image 1
nJoy Balder 1500 Online UPS - 1500 W / 1500 VA - 8 C13 outlets (PWUP-OL150BA-AZ) — image 2
nJoy Balder 1500 Online UPS - 1500 W / 1500 VA - 8 C13 outlets (PWUP-OL150BA-AZ) — image 3
nJoy Balder 1500 Online UPS - 1500 W / 1500 VA - 8 C13 outlets (PWUP-OL150BA-AZ) — image 4
nJoy Balder 1500 Online UPS - 1500 W / 1500 VA - 8 C13 outlets (PWUP-OL150BA-AZ) — image 5

Non-contractual photos

The visuals on this page are supplied by the manufacturer. They are frequently produced for a whole range — not for the exact model you are viewing: what you see in the photo is never a promise of what is included.

No exchange, return or cancellation will be accepted on the grounds that something seen in a photo (accessory, port, colour, keyboard layout, packaging…) is not found on the delivered product. Only the specifications written on the page are binding for the order.

What the image does not guarantee:

  • Outlets : the number and type of outlets (Schuko, IEC) vary between versions of a single photographed series.
  • Options : LCD display, USB or RJ45 port, SNMP network card and rack kit are supplied only if the specifications say so.
  • Batteries : the additional battery modules photographed next to the UPS are sold separately.
  • Runtime : it depends on the load actually plugged in, never on what the image shows.
  • Colour : one image often serves several colours, and the shade you see depends on studio lighting as much as on your screen settings; the colour sold is the one in the title and the specifications.
  • Props and accessories : the items shown around the product (cables, stands, decorative objects, content displayed on screen) are not included unless explicitly stated.
  • Packaging : boxes, labels and bundles change with the manufacturer's revisions: the packaging delivered may differ from the one in the photo.

What is binding: the product title, this page's technical specifications, the description and, when provided, the manufacturer's PDF datasheet available in the downloads.

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7 099,00 DHincl. VAT

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Manufacturer's datasheetView the PDF · 272 Ko — downloadable

Product overview

A rack/tower convertible online UPS: online double conversion, 1500 VA / 1500 W, 2U format.
Technology & protection: power is fully and continuously regenerated — your servers never touch the mains, with no transfer time. Complete protection against outages, surges, voltage fluctuations and electrical noise.
Power: 1500 VA for 1500 W of real power — its power factor of 1 makes all of the rated power available in watts, where a conventional UPS loses almost half of it.
Outlets: 8 C13 outlets (computer and server power cords).
LCD display: shows load, battery level and remaining runtime at a glance — so you can monitor the UPS without any software.
Ideal, for example, for a server, a NAS or a switch, in a rack or tower setup.
Remember to check how much power your equipment draws and to choose the rating according to the runtime you need.

See all the specifications ↓
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Technical specifications

Technical specifications
Output voltage200/208/220/230/240 V (+/- 1% on battery); power derated to 80% at 200 or 208 V
Waveform typePure sine wave
Output harmonic distortion≤ 2% THD at linear load, ≤ 4% THD at non-linear load
Output connections8 IEC C13 outlets, 4 of them programmable
Input voltage230 V
Input frequency50 / 60 Hz with auto-sensing (40 - 70 Hz)
Input connections1 IEC 60320 C14 inlet
Voltage range110 - 300 V ± 5% at 50% load; 160 - 300 V ± 5% at 100% load
Battery typeSealed and maintenance-free, high-rate discharge (High Rate)
Battery replacementUser-replaceable, hot-swappable (no power interruption)
Battery managementSmart charger optimising battery performance; protection against discharge and overcharge
Typical recharge time3 hours to 95% of capacity (internal battery, 2 A charging current)
Interface port1 USB HID port, 1 RS-232 port, 1 intelligent port for SNMP or Modbus card (LAN network access via this card), 1 emergency power off (EPO)
User interfaceLCD screen: UPS status, load level, battery level, input and output voltages, discharge timer, faults
Power management softwareViewPower; ViewPower Pro with the SNMP card
Weight (kg)15.5 kg (17.5 kg with packaging)
Dimensions (W x D x H) (mm)438 x 410 x 88 mm
TechnologyOn-line
Power (VA)1,500 VA
Voltage stabiliserYes
Preinstalled batteries3
Replacement batterynJoy HR09122F
Communication card slot1 intelligent port for SNMP or Modbus card (Protocol 01) — card optional
Technical specifications (continued)
Data line protection2 RJ11/RJ45 sockets (in/out) for modem, phone and network protection
Rack height2U
Surge protection and filtering624 J
Transfer/switching time0 ms on battery (continuous double conversion); 4 ms typical to bypass
Cold startYes
BypassInternal bypass
Audible noise< 50 dB
Power factor (ratio)1
Crest factor3:1 (maximum)
Input power factor≥ 0.99 at rated voltage (100% load)
Output frequency50 Hz +/- 0.1 Hz on battery; 47 - 53 Hz synchronised to mains
Phase (output/input)Single-phase
Eco mode efficiency≥ 95%
Double-conversion efficiency≥ 89% in mains mode, ≥ 88% on battery
Output typeC13 outlets
Power (W)1,500 W
Runtime27 min at 25% load; 11 min at 50%; 6 min at 75%; 3 min at 100%
External battery packsOptional CA0312GX-AZ external battery cabinet (6 batteries, 12 V 7 Ah or 9 Ah)
Form factorConvertible rack/tower
Battery-backed outlets5 to 8 outlets
Control & communicationUSB, RS232 serial port, Card slot
Warranty3 years

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Frequently asked questions about this product

How long does the Balder 1500 run on battery?
27 minutes at 25% load, 11 minutes at 50% (750 W), 6 minutes at 75% and 3 minutes at full load. The difference is dramatic: it is the headroom you leave that determines the runtime, far more than the stated capacity.
Does this 1500 VA unit really deliver 1500 W?
Yes: its output power factor is 1, so the full 1500 VA is available in watts. On a desktop UPS at 0.55, only 825 would remain for the same stated rating.
What are the programmable outlets on the Balder 1500 for?
Four of the eight C13 outlets can be controlled: you can set them to cut power to secondary equipment after a certain time on battery, so that the remaining runtime is kept for the server that really matters.
Can the Balder 1500 be rack-mounted or used as a tower?
Both: it is a 2U convertible chassis, measuring 88 mm high, 438 wide and 410 deep, weighing 15.5 kg. You can slide it into a 19-inch cabinet or stand it on the floor.
What input voltage does the Balder 1500 accept?
From 160 to 300 V at full load, and from as low as 110 V at half load, at a frequency of 40 to 70 Hz. This latitude lets it stay in normal mode where an ordinary UPS would switch to its batteries.
Does the Balder 1500 work with a generator?
Yes, it is rated generator-compatible: its wide voltage and frequency range absorbs the fluctuations of a standalone power source, which is not the case with every UPS.
Can the batteries of the Balder 1500 be replaced without shutting it down?
Yes, they are hot-swappable: three HR09122F modules are fitted as standard, and an external battery cabinet is available as an option to extend the runtime.
How do you monitor the Balder 1500?
Through a USB port, an RS-232 serial port and an intelligent slot that accepts an optional SNMP or Modbus card. The ViewPower software handles monitoring and automatic shutdown of the machines.
Does the Balder 1500 protect the network line?
Yes, two RJ11/RJ45 ports pass through the unit and protect the line — modem, telephone or network — against surges. On the mains side, surge absorption reaches 624 joules.
How long does it take to recharge the Balder 1500?
3 hours to recover 95% of capacity, at the default charging current of 2 A — adjustable up to 12 A to charge faster. Switching to battery, for its part, is instantaneous.
Is the Balder 1500 noisy, and does it use a lot of power?
It stays below 50 dB, and its efficiency exceeds 89% in normal operation, rising to over 95% in ECO mode. On a unit that runs day and night, this difference shows up on the bill.
Is the nJoy Balder 1500 UPS new and under warranty?
Yes, new equipment, with the invoice serving as the warranty document for 3 years. It delivers a pure sine wave and features emergency power off, cold start and an internal bypass. The datasheet covers the rest.

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