- High frequency and true double-conversion
- DSP digital control technology
- Input power factor correction (PFC)
- Output power factor 0.9
- Advanced battery management (ABM)
The EA901II-S 1kVA/900W Online Tower UPS is an online double-conversion UPS with input power factor correction (PFC) and output power factor 0.9 offering high levels of reliability and protection for critical servers and data processing IT systems. Besides sufficient run time as a backup power, the EA901II-S UPS (and extended run time model) can be fitted with matching battery extension packs for extended run time applications. Apart from the standard features of a normal UPS the EA901II-S is also able to accept a wider input voltage in harsher environments and optional N+X redundancy parallel function is also available.