CyberPower · Uninterruptible Power Supplies (UPSs)

CyberPower OLS4KERT4UA-IEC uninterruptible power supply (UPS) Double-conversion (Online) 4 kVA price in Germany

Model OLS4KERT4UA-IECMPN OLS4KERT4UA-IECEAN 4711027791784

TypeRackmount/Tower
Weight55 kg
ColourBlack
UPS topologyDouble-conversion (Online)

Lowest price

2.355,45 €

at Netzwerkartikel.deIn stock

1 store
1 in stock
Checked 7 Oct 2026, 05:41 UTC

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Full specifications and side-by-side comparison

Prices in Germany

1 store · prices in EUR · updated 7 Oct 2026, 05:41 UTC

Lowest price2.355,45 €at Netzwerkartikel.de · shipping not statedGo to Netzwerkartikel.de

Price range across 1 offer

Every store asks the same price.

1 of 1 stores in stock
0 with free shipping
Checked 7 Oct 2026, 05:41 UTC

Netzwerkartikel.deLowest priceCyberPower OLS4KERT4UA-IEC Unterbrechungsfreie Stromversorgung (USV) Doppelwandler (Online) 4 kVA 3800 W 15 AC-Ausgänge In stockShipping not stated
2.355,45 €item price, shipping extra
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Ad: we may earn a commission when you buy through these links; it never changes the order, which is by total price only. Prices and stock are shown as each store states them, as of 7 Oct 2026, 05:41 UTC, and can change at any time. Taxes are included only where the store includes them.

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Best price · Netzwerkartikel.de2.355,45 €

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Product details

Identification

Brand: CyberPower
Product: OLS4KERT4UA-IEC uninterruptible power supply (UPS) Double-conversion (Online) 4 kVA
Full name: CyberPower OLS4KERT4UA-IEC uninterruptible power supply (UPS) Double-conversion (Online) 4 kVA 3800 W 15 AC outlet(s)
Manufacturer part number: OLS4KERT4UA-IEC
EAN / UPC: 4711027791784
Category: Uninterruptible Power Supplies (UPSs)

78 specifications from the manufacturer's data sheet

Features

UPS topology	Double-conversion (Online)
Output power capacity	4 kVA
Output power	3800 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
Output frequency regulation	0.5 Hz
Output voltage regulation	1%
Maximum current	20 A
Surge energy rating	1335 J
Heat dissipation	1777 BTU/h
Number of input phases	1
Number of output phases	1
Efficiency (ECO mode)	98%
Input power factor	0.99
Output power factor	0.95
Power Factor Correction (PFC) type	Active
Crest factor	3:1
ECO mode	Yes
Emergency Power Off (EPO)	Yes
Total Harmonic Distortion (THD) (linear load)	1.5%
Total Harmonic Distortion (THD) (non-linear load)	2%
EMI/RFI noise filtering	Yes
Detachable power cord	Yes
Power source type	AC
Socket circuit breaker	Yes

Ports & interfaces

AC outlet types	C13 coupler, C19 coupler, Terminal
Power plug	Terminal
AC outlets quantity	15 AC outlet(s)
USB port	Yes
USB 2.0 ports quantity	1
USB port type	USB Type-B
Serial interface	Yes
Serial interface type	RS-232
RS-232 ports	3
Serial ports quantity	3
Emergency Power Off (EPO) connector	Yes
SmartSlot	Yes

Battery

Battery technology	Sealed Lead Acid (VRLA)
Typical backup time at full load	6 min
Typical backup time at half load	15 min
Battery recharge time	4 h
Charging current	4 A
Hot-swap battery	Yes

Design

Form factor	Rackmount/Tower
Product colour	Black
Housing material	Metal
Rack capacity	4U
Cooling type	Active
Built-in fan	Yes
Control type	Buttons
Display type	LCD
LED indicators	Yes

Operational conditions

Operating temperature (T-T)	0 - 40 °C
Storage temperature (T-T)	-15 - 45 °C
Operating relative humidity (H-H)	0 - 95%
Storage relative humidity (H-H)	0 - 95%
Operating altitude	0 - 3000 m
Non-operating altitude	0 - 15000 m

Certificates

Compliance certificates	CE, RoHS

Sustainability

Sustainability compliance	Yes

Weight & dimensions

Width	433 mm
Depth	661 mm
Height	171 mm
Weight	55 kg

Packaging data

Package width	575 mm
Package depth	890 mm
Package height	404 mm
Package weight	73 kg
Package type	Box

Logistics data

Country of origin	China

Other features

Nominal input voltage	230 V
Overload protection	Yes
Quantity of delay expansion units (max)	4

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