






Ubiquiti
Ubiquiti Unifi UPS Tower 1kVA
SKU: ups-tower|21 ready to ship
Description
The Ubiquiti UniFi UPS Tower 1kVA is a line-interactive uninterruptible power supply with 1,000 VA / 600 W capacity for desktop use. It features five backup and five surge-protected outlets and can be managed over Ethernet.
Key Benefits at a Glance
Line-Interactive UPS with 1,000 VA / 600 W for reliable power during outages
Ten outlets – five with battery backup, five for surge protection only
Ethernet management with status and battery LEDs for local diagnostics
6 ms transfer time typical when switching to battery mode
NDAA-compliant and designed to meet industry safety standards
Performance & Runtime
The UPS delivers 1,000 VA or 600 W capacity and operates on the line-interactive principle. In the event of a power failure, it switches to battery mode in typically 6 ms and a maximum of 10 ms. The simulated sine wave in battery mode maintains an output voltage of 120 V AC with ±10 % regulation accuracy.
At full load, runtime in battery mode is 2 minutes, and at half load, it extends to 7 minutes. The integrated 12 V, 9 Ah sealed lead-acid battery requires 6 to 8 hours to recharge to 90 % capacity after discharge.
Management & Operation
The UPS is managed via Ethernet. A 100/10 MbE port is available for network connectivity, while two GbE ports provide surge protection for incoming and outgoing network connections. Front-panel status LEDs indicate operating conditions, including initialization, adoption, battery mode, firmware updates, and alerts.
A separate five-level battery LED display shows charge status in 20 % increments from 0 to 100 %. Operation is controlled via two buttons: a power button and a factory reset button.
Connections & Design
The UPS is designed as a desktop unit with dimensions of 288 × 99 × 280.5 mm and a weight of 8.17 kg. The enclosure is made from a polycarbonate-ABS blend. Power is supplied via a fixed 1.8 m cable with a NEMA 5-15P plug for 120 V AC at 50/60 Hz and a maximum of 12 A.
A total of ten NEMA 5-15R outlets are provided: five with battery backup and surge protection, and five with surge protection only. The input voltage range is 89 to 145 V AC at a nominal 120 V AC.
Safety & Certifications
The UPS is NDAA-compliant and designed to meet industry safety standards. In online mode, a 110 % overload triggers a fault after 5 minutes, while a 120 % overload causes an immediate fault. In battery mode, a 110 % overload shuts down the unit after 5 seconds, and a 120 % overload triggers an immediate shutdown.
Short-circuit protection in online mode is ensured by a 250 V AC, 15 A circuit breaker. The maximum short-circuit current is Ipeak 334.8 A or Irms 68.2 A. The UPS is designed for operation in a controlled indoor environment with humidity levels from 0 to 95 % non-condensing.
Technical Specifications
Type: Line Interactive
Capacity: 1,000 VA / 600 W
Nominal Input Voltage: 120 V AC
Input Voltage Range: 89–145 V AC
Output Voltage: 120 V AC
Power Supply: TN system, 120 V AC, 12 A max., 50/60 Hz
Frequency Range: AC mode 50/60 Hz ±5 Hz (auto-sensing), battery mode 60 Hz ±1 Hz
AC Voltage Regulation: ±10 % (battery mode)
Transfer Time: 6 ms typical, 10 ms max. (battery mode)
Waveform: Simulated sine wave (battery mode)
Battery Type: Sealed lead-acid 12 V, 9 Ah
Runtime: Full load 2 min., half load 7 min.
Recharge Time: 6–8 hours to 90 % capacity
Network Interface: 1× 100/10 MbE, 2× GbE (surge in/out)
Outlets: 5× NEMA 5-15R (backup/surge), 5× NEMA 5-15R (surge)
Power Cord: NEMA 5-15P, 1.8 m, fixed
Overload Online Mode: 110 % fault after 5 min., 120 % immediate fault
Overload Battery Mode: 110 % shutdown after 5 sec., 120 % immediate
Short-Circuit Protection: Breaker 250 V AC, 15 A
Short-Circuit Current: Ipeak 334.8 A, Irms 68.2 A
Enclosure Material: Polycarbonate-ABS blend
Form Factor: Desktop
Dimensions: 288 × 99 × 280.5 mm
Weight: 8.17 kg
Humidity: 0–95 % non-condensing
Operating Altitude: 3,000 m
Environmental Conditions: Pollution Degree 2
NDAA-Compliant: Yes
Warranty: 12 months
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