Main Feature
- IGBT inverter and output isolation Transformer
- Online double conversion
- wide input voltage range
- RS232 Communication Port
- SNMP +USB +dry contact (OPTIONAL)
- High reliability and performance
- External battery pack (optional)

✓ In Stock
1 KVA Low-Frequency Online UPS Reliable power backup with robust protection and high efficiency.
Direct importer wholesale, dealer & corporate project pricing available. Get official quotation with invoice & warranty.
Main Feature
| Item / Parameter | Specification / Technical Value |
|---|---|
| Capacity | 1KVA |
| Model | B1-1KS/KL |
| Brand | Reros |
| Input Voltage | 165~275 VAC |
| Input Frequency (Hz) | 45~66 Automatically select synchronization range according to grid frequency |
| Power factor | 0.8/0.9 |
| Output Voltage | 220/230/240±1% |
| Output Frequency | 50/60±0.05%(battery mode) |
| Tranfer Time (ms) | 0 |
| Waveform | Sine Wave,THD<3% |
| Overload capacity | 110%~129% full load keep 10min; 130%~150% load keep 60s; |
| Crest Factor | >3:1 |
| Communication function | RS232(USB/dry contact are optional) |
| SNMP(optional | Can be network monitored by SNMP adapter |
| Display | LED display work status and fault indicator; LCD display single phase input voltage, input frequency, single phase output voltage, load, battery voltage |
| Noise (dB) | <60(within 1 meter) |
| Alarm | Battery low-voltage, mains abnormal, overload, UPS fault, over temperature protection |
| Protection | Input over-voltage protection, battery under voltage protection, overload protection, short circuit protection, over temperature protection |
| Working temperature | 0~40 ℃ |
| Humidity | 0~95%,Non condensing |
| Dimension | (W×D×H)-230mm×590mm×717mm |
| Weight |
Application
Product datasheets and technical manuals can be requested directly.
Contact Technical Support for Resources →High-reliability Changzhou-engineered Online UPS (1kVA–400kVA) with zero transfer time and pure sine wave output for corporate IT, telecom, and industrial labs.