CyberPower Online S Series OLS3KERT2UH 3000 VA UPS

3000 VA · 3000 W W · Double-conversion (Online) · 7

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Capacity 3000 VA
Wattage 3000 W
Topology Double-conversion (Online)
Outlets 7
Output waveform Pure sine

CyberPower Online S Series OLS3KERT2UH 3000 VA UPS is a double-conversion (online) UPS rated 3000 VA (3000 W). Add up what you plug in (PC, monitor, router) and keep it under about 70% of the watt rating, so it doesn't run flat in seconds during a power cut. It came out in 2026.

Released: 2026-04-10

Specifications

Key specs

Capacity: 3000 VA
Wattage: 3000 W
Topology: Double-conversion (Online)
Outlets: 7
Output waveform: Pure sine
Released: 2026-04-10
Part number: OLS3KERT2UH
EAN / UPC: 4711027792866

Features

UPS topology: Double-conversion (Online)
Output power capacity: 3 kVA
Output power: 3000 W
Waveform: Pure sine
Input operation voltage (min): 110 V
Input operation voltage (max): 300 V
Input frequency: 50/60 Hz
Output operation voltage (min): 200 V
Output operation voltage (max): 240 V
Output frequency: 50/60 Hz
Maximum current: 14.02 A
Surge energy rating: 1065 J
Heat dissipation: 653 BTU/h
Number of input phases: 1
Efficiency (ECO mode): 98%
Power factor: 1
Input power factor: 0.99
ECO mode: Yes
Emergency Power Off (EPO): Yes
EMI/RFI noise filtering: Yes
Surge protection: Yes
Power protection features: Overload
Audible alarm(s): Yes
Audible alarm modes: Alarm when on battery, Battery replacement, Fault, Low battery alarm, Overload alarm

Ports & interfaces

AC outlet types: C13 coupler, C19 coupler
AC outlets quantity: 7 AC outlet(s)
USB port: Yes
Serial interface: Yes
Serial interface type: RS-232
Serial ports quantity: 1
RS-232 ports: 1
Emergency Power Off (EPO) connector: Yes

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Battery

Battery voltage: 72 V
Typical backup time at full load: 2.5 min
Typical backup time at half load: 9.5 min
Battery recharge time: 4 h
Charging current: 8 A
Hot-swap battery: Yes
Replacement battery cartridge: RBP0160

Design

Form factor: Rackmount/Tower
Housing material: Metal
Cable length: 1.5 m
Product colour: Black
Control type: Buttons
Display type: LCD

Operational conditions

Operating temperature (T-T): 0 - 50 °C
Storage temperature (T-T): -20 - 50 °C
Operating relative humidity (H-H): 20 - 90%
Storage relative humidity (H-H): 10 - 90%
Operating altitude: 0 - 1500 m
Non-operating altitude: 0 - 1500 m

Weight & dimensions

Width: 540 mm
Depth: 730 mm
Height: 230 mm

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About this product

CyberPower OLS3KERT2UH is a high-efficiency UPS featuring online double-conversion topology, which provides seamless Pure Sine Wave power for mission-critical devices such as NAS, servers, DVRs/surveillance systems, transportation, infrastructure, and emergency systems. It’s typically integrated into the back office, server room, and data center environment. With high output power factor, the UPS in a smaller footprint can provide more usable power and save rack space. The pre-installed Maintenance Bypass PDU (MBP) offers quick and safe maintenance without power interruption. Moreover, the tiltable color LCD comes with an intuitive and graphical interface, allowing users to monitor and configure settings with ease. It is also designed with relay-type dry contact port to support specific UPS event notifications for easy management.

OLS3KERT2UH vs similar UPS

	CyberPower Online S Series OLS3KERT2UH 3000 VA UPS	Vertiv Liebert GXT5 Lithium-Ion Online UPS 1500 VA/1500 W 230 V Rack/Tower	Vertiv GXT5 Double Online Conversion UPS -3000VA/3000W	CyberPower Online Double Conversion USV 3000VA/2700WTower
Capacity	3000 VA	3000 VA	3000 VA	3000 VA
Wattage	3000 W	3000 W	3000 W	2700 W
Topology	Double-conversion (Online)	Double-conversion (Online)	Double-conversion (Online)	Double-conversion (Online)
Outlets	7	7	7	7
Output waveform	Pure sine	Pure sine	Pure sine	Pure sine
Released	2026	2024	2024	2026