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Rack-mounted online UPS

ET1-3KR Rack-Mounted Online UPS — Built-in LiFePO4 Battery

Name: ET1-3KR Rack-Mounted Online UPS — Built-in LiFePO4 Battery
Brand: Highidea Power

The ET1-3KR is the rack-mounted (19-inch) version of the ET-series online UPS — same DSP-controlled online double-conversion platform, built-in Class-A LiFePO4 battery and 0 ms transfer as the ET1-3K tower, in a space-saving rack form factor for data-centre cabinets, telecom racks and edge IT.

Capacity

1 / 2 / 3 kVA

Topology

Online double-conversion (VFI)

Transfer Time

0 ms

Chemistry

Class-A LiFePO4 (built-in)

Full Load Runtime

≥30 minutes

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CE-LVD scope available2-year UPS warranty

Confirm host, battery, runtime and document scope for the exact configuration

Standard 19-inch rack form factor

saves space in data-centre and telecom cabinets.

Pure online double-conversion wi…

Pure online double-conversion with 0 ms transfer for uninterrupted, regulated output.

Integrated Class-A LiFePO4 battery

maintenance-free, >10-year float life, >1,200 cycles, ≥30 min runtime.

Full-digital DSP control with hi…

Full-digital DSP control with high-frequency PWM for precise, efficient regulation.

Technical data

ET1-3KR specifications.

Compare the electrical, battery, monitoring, environmental and compliance data for this product family.

01Electrical

Capacity1 / 2 / 3 kVA

Form Factor19-inch rack-mounted

TopologyOnline double-conversion (VFI)

Input Voltage110–300 VAC (feature claim); parameter table: 220 VAC rated, (172–268) ±7 VAC range

Input Frequency50/60 Hz auto-sensing; parameter table range (45–55)/(55–65) ±0.5 Hz

Output Voltage208 / 220 / 230 / 240 VAC, selectable

Output Frequency50 / 60 Hz, auto

Output WaveformPure sine wave

Power Factor Output0.8

Transfer Time0 ms

Topology ExtrasActive PFC, high-frequency PWM, 3-/4-level lightning protection

02Battery

ChemistryClass-A LiFePO4 (built-in)

ConfigurationIntegrated, maintenance-free

Cycle Life>1,200 cycles

Float Life>10 years

Full Load Runtime≥30 minutes

BMSBuilt-in battery management & protection

03Management & Monitoring

Standard InterfaceRS232

OptionalRS485 / Modbus, dry contacts, SNMP cloud card

Cloud MonitoringMobile APP + web platform (optional card)

Shutdown SoftwareWindows / Linux / VM / NAS auto-shutdown

AlertsPower-failure & fault alarms, remote power on/off

04Environment & Mechanical

Operating Temperature−10°C to +40°C (battery not below 0°C)

Relative Humidity20%–90%, non-condensing

Conformal CoatingThree-proofing (moisture / dust / salt-mist)

Rack Height88 mm equipment height (all ET1KR/ET2KR/ET3KR in source table)

Dimensions WeightNet W×H×D: ET1KR 440×88×300 mm / 9.5 kg; ET2KR, ET3KR 440×88×540 mm / 20.6 kg, 23 kg

05Compliance & Warranty

CECE-LVD to EN IEC 62040-1:2019/A2:2025; verify the ordered model against the six certificate model lists

WarrantyUPS main unit: 2 years

Request the full user manual & datasheet

Selection guide

Is this the right model for you?

Quick pointers to confirm fit, or steer you to a sibling model.

Choose the ET1-3KR when its power range, format and operating role match your application.
Provide capacity, input/output voltage, runtime, installation format and destination-market document requirements for final model selection.

Recommended for

Where the ET1-3KR performs.

Data-centre cabinets

ET1-3KR can be configured for this application; final sizing depends on the load, runtime and site conditions.

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Telecom & network racks

ET1-3KR can be configured for this application; final sizing depends on the load, runtime and site conditions.

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Edge & branch IT

ET1-3KR can be configured for this application; final sizing depends on the load, runtime and site conditions.

View solution

FAQ

Frequently asked questions

What should I provide to select the right ET1-3KR?

Share the load in watts or VA, input and output voltage, required runtime, installation format, site conditions and destination market. Our team will match the product, battery and monitoring options to the application.

Can I request a datasheet for the ET1-3KR?

Yes. Contact sales with the required rating and destination market to receive the applicable datasheet, manual and compliance-document list.

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Configure a ET1-3KR for your site.

Tell us the load, voltage, runtime, site conditions and destination. Sales will confirm the host, battery and configuration-specific document scope.

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