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Technical specificationsC Series (C1K / C2K / C3K / C6K / C10K) product image

Tower online, lead-acid

Highidea C Series — Online Tower UPS (lead-acid, 1–10 kVA)

The C Series is Highidea's mainline tower online double-conversion UPS with internal VRLA lead-acid batteries, covering 1–10 kVA / 0.9 output power factor. It provides 0 ms transfer, 208/220/230/240 VAC selection and a 110–300 VAC input range for general critical loads.

Capacity
C1K 1kVA/900W · C2K 2kVA/1800W · C3K 3kVA/2700W · C6K 6kVA/5400W · C10K 10kVA/9000W
Topology
Online (double-conversion)
Transfer Time
0 ms
Chemistry
Lead-acid (VRLA), internal
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CE-LVD scope available2-year UPS warranty

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Capacity

C1K 1kVA/900W · C2K 2kVA/1800W · C3K 3kVA/2700W · C6K 6kVA/5400W · C10K 10kVA/9000W

Topology

Online (double-conversion)

Chemistry

Lead-acid (VRLA), internal

Cells

C1K 2 · C2K 4 · C3K 6 · C6K 12 · C10K 16 (12 V each)

Technical data

C Series (C1K / C2K / C3K / C6K / C10K) specifications.

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

01Electrical
CapacityC1K 1kVA/900W · C2K 2kVA/1800W · C3K 3kVA/2700W · C6K 6kVA/5400W · C10K 10kVA/9000W
TopologyOnline (double-conversion)
InputL+N+PE; 208/220/230/240 VAC; range 110–300 VAC (110–176 & 280–300 derating); 50/60±6 Hz default (settable ±10 Hz)
Input Pf≥0.99
Input Thd≤4% / ≤6%
OutputL+N+PE; 208/220/230/240 VAC; regulation ±1%
Output Pf0.9
Output Thd≤2% / ≤4%
Transfer Time0 ms
Efficiency94.5–95.5% at full load, mains mode @220 VAC
02Battery
ChemistryLead-acid (VRLA), internal
CellsC1K 2 · C2K 4 · C3K 6 · C6K 12 · C10K 16 (12 V each)
Charge Current1 A
03Environment & Mechanical
Operating Temperature0–40 °C
Storage Temperature−15–60 °C
Altitude≤1000 m (max 4000 m per IEC 62040)
Noise≤50 dB
Dimensions WeightD×W×H mm / kg — C1K 282×145×221 / 7.3 · C2K,C3K 398×145×221 / 13.7,19.55 · C6K,C10K 470×190×693 / 53.98,63.8
04Compliance & Warranty
Catalogue StandardsEN/IEC 61000, EN/IEC 62040, GB/T 7260, GB/T 4943, YD/T1095, TLC
CEC1–10K(RS) model family is explicitly listed on CE certificate 2026AT0511579; verify the ordered suffix
WarrantyUPS main unit: 2 years

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Selection guide

Is this the right model for you?

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

  • Choose the C Series (C1K / C2K / C3K / C6K / C10K) 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 C Series (C1K / C2K / C3K / C6K / C10K) performs.

Data centre and server racks
IT rooms & servers
C Series (C1K / C2K / C3K / C6K / C10K) can be configured for this application; final sizing depends on the load, runtime and site conditions.
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Data centre and server racks
Telecom & monitoring
C Series (C1K / C2K / C3K / C6K / C10K) can be configured for this application; final sizing depends on the load, runtime and site conditions.
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Data centre and server racks
General commercial/industrial critical loads
C Series (C1K / C2K / C3K / C6K / C10K) can be configured for this application; final sizing depends on the load, runtime and site conditions.
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FAQ

Frequently asked questions

What should I provide to select the right C Series (C1K / C2K / C3K / C6K / C10K)?

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 C Series (C1K / C2K / C3K / C6K / C10K)?

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 C Series (C1K / C2K / C3K / C6K / C10K) 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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