C Series Online UPS, 1–10kVA (2nd Generation)
The classic high-frequency online platform — large LCD, DSP control, and every format from desktop tower to rack, with VRLA or lithium external batteries.
Product image
- Brand
- HighIdea
- Type
- Online double-conversion UPS (tower / rack)
- Typical applications
- Servers, workstations, industrial control, network equipment
- Models in range
- C1K, C2K, C3K, C1-3KR (PRO), C1-6K (II), C10K
- Category
- UPS Power Supply
The C series is HighIdea's established high-frequency online platform — the dependable choice when you want true double-conversion protection, a familiar interface and the widest range of formats. The second generation improves efficiency and adds the large LCD that site engineers asked for.
Key Features
- High-frequency online double conversion with pure sine wave output
- DSP-controlled technology for stable output and fast response
- Large LCD interface showing status, load and battery data at a glance
- Tower and 19-inch rack versions across the range
- External battery configuration — VRLA or LiFePO4 — for any runtime target
- Wide input range and generator compatibility
Specifications
| Capacity | 1 – 10 kVA |
|---|---|
| Topology | Online double conversion (VFI) |
| Battery | External VRLA or LiFePO4 |
| Output voltage | 220 / 230 / 240 Vac |
| Transfer time | 0 ms |
| Display | Large LCD |
| Form factor | Tower / 19-inch rack |
| Communication | RS-232; optional SNMP / Modbus / cloud card |
Specifications subject to the latest factory data. Final configuration is sized against the actual load, backup runtime and site power conditions — this table is for pre-selection only.
Applications
Office server rooms
The workhorse online platform for small server rooms that need reliable double-conversion protection at a sensible price.
Industrial control systems
Wide input tolerance and clean output protect PLCs and control gear in electrically noisy plants.
FAQ
C1-3KR PRO vs C1-6K (II) — which do I need?
Can I use lithium batteries with the C series?
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