1KVA–3KVA Online UPS for Small and Medium Power Backup
Single-phase online UPS with real-time double conversion, pure sine wave output, wide input voltage range, and optional SNMP monitoring for offices, servers, network equipment, security systems, and small business applications.
The C1KVA–3KVA UPS series is designed for stable and continuous power protection in small and medium-sized power environments. With online double-conversion technology, pure sine wave output, and 0ms transfer time, it helps protect sensitive equipment from power interruptions, voltage fluctuations, and unstable grid conditions.
Available in 1KVA, 2KVA, and 3KVA models, this UPS series is suitable for offices, network rooms, servers, banking terminals, medical equipment, security systems, and industrial control applications. Standard battery and external battery versions are available to meet different backup time requirements.
Compact Online UPS for Stable and Continuous Power Protection
The C1KVA–3KVA UPS series is a single-phase online UPS designed for small and medium power backup applications. With real-time double conversion technology, pure sine wave output, 0ms transfer time, and a wide input voltage range, it helps protect sensitive equipment from power interruptions, voltage fluctuations, surges, and unstable grid conditions.
Available in 1KVA, 2KVA, and 3KVA models, this UPS series is suitable for offices, network rooms, server equipment, banking systems, medical devices, security systems, and industrial control applications.
Product specifications:
| Model | SP1K(S) | SP2K(S) | SP3K(S) | SP6K(S) | SP10K(S) | |
| Phase | Single-phase | |||||
| Capacity | 1KVA/1000W | 2KVA/2000W | 3KVA/3000W | 6KVA/54000W | 10KVA/9000W | |
| Input | ||||||
| Input voltage | 100/110/115/120/127VAC or 200/208/220/230/240VCA | |||||
| Voltage range | 115~300VAC | |||||
| Input frequency | 40Hz~70Hz | |||||
| Power factor | ≥0.99 @ 100% load | |||||
| Output | ||||||
| Output voltage | 100/110/115/120/127VAC or 200/208/220/230/240VCA | |||||
| AC voltage regulation | ±1% | |||||
| Frequency (synchronous range) | 47-53Hz/57-63Hz | |||||
| Frequency range (Battery Mode) | 50 Hz ± 0.25 Hz/60 Hz ± 0.3 Hz | |||||
| Current crest ratio | 3:1 | |||||
| Waveform balance |
≤3% THD Linear Load ≤6% THD Non-linear Load |
|||||
| Transfer time | 0 ms | |||||
| Output waveform | Pure Sine Wave | |||||
| Efficiencies | ||||||
| Mains mode | 93% | 93% | 95% | 93% | 94% | |
| Battery mode | 91% | 91% | 92% | 90% | 91% | |
| Battery | ||||||
| Standard UPS |
Battery model | 12V/7AH | ||||
| battery amount | 2 | 4 | 6 | 16 | 16 | |
| Charging time | 6 hours to be 90% full capacity | |||||
| Max charging current | 1A | |||||
| Charging voltage | 27.4VDC±1% | 54.7VDC±1% | 82.1VDC ± 1% | 218.4VDC ±1% | 273VDC ± 1% | |
| Machine data | Size (MM) | 280*148*220 | 395*148*220 | 425*192*320 | 500*248*616 | |
| Weight (KG) | 8.1 | 14.2 | 20.8 | 57 | 68 | |
| External battery UPS | ||||||
|
External battery UPS |
Battery model | Depends on the applicant | ||||
| Batteries quantity | 3 | 6 | 8 | 16-20 adjustable | ||
| Max charging current | 1A/2A/4A/6A adjustable | |||||
| Charging voltage | 41VDC±1% | 54.7VDC ± 1% | 109VDC ± 1% | 218.4VDC±1%, 273VDC±1% | ||
|
Machine data |
Size (MM) | 280*148*220 | 460*190*330 | 425*192*320 | 500*248*460 | |
| Weight (KG) | 4.1 | 6.2 | 11 | 18 | 20 | |
| Display instructions |
||||||
| LCD |
Load size, battery capacity, mains mode, battery mode, bypass mode, fault indication | |||||
| Usage environment |
||||||
| Humidity |
20-90% RH @ 0-40 °C No condensation | |||||
| Noise |
<50 dBA @ 1 M | |||||
| Control management |
||||||
| SmartRS-232/USB |
Be in favor of Supports Windows® 2000/2003/XP/Vista/2008, Windows® 7/8, Linux, MAC | |||||
|
Optional SNMP |
Power management supports SNMP management and network management | |||||
FAQ
What is the difference between online UPS and offline UPS?
An online UPS provides continuous double-conversion power protection with 0ms transfer time, making it more suitable for sensitive equipment such as servers, network devices, medical equipment, and industrial control systems.
Which model should I choose: 1KVA, 2KVA or 3KVA?
The right model depends on your total load power, backup time requirement, and connected equipment. C1K(S) is suitable for small devices, C2K(S) for network and office systems, and C3K(S) for larger backup applications.
Can this UPS work with generators?
Yes. The UPS provides pure sine wave output and is compatible with generator power systems.
Does this UPS support external batteries?
Yes. Standard battery and external battery versions are available for different backup time requirements.
Is SNMP monitoring available?
Yes. Optional SNMP monitoring is available for remote UPS management and network monitoring.
Can I order this UPS in bulk?
Yes. This UPS series is suitable for bulk orders, project supply, and commercial power backup applications.
Get in touch with us
If you have any comments or good suggestions, please leave us a message; later our professional staff will contact you as soon as possible.
© 2026 ShanPu. All Rights Reserved.


Facebook
YouTube
SHANPU UPS