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Online UPS
VFI (Voltage Frequency Independent).
On-line (VFI) UPS systems are regarded as 'high-end' and employ more sophisticated technology which uses a rectifier and inverter, hence "double-conversion".
This effectively isolates the load from virtually all types of power supply problems.
Sentinel Pro (700VA-3000VA) -
Sentinel Dual Low Power (1000VA-3000VA) -
Sentinel Dual Low Power (1000VA-3000VA) -
Sentinel Dual Low Power (1000VA-3000VA) -
Sentinel Dual Low Power (1000VA-3000VA) -
Sentinel Dual Low Power (1000VA-3000VA) -
Sentinel Dual (4000VA-10000VA) (SDU) -
Sentinel Dual (4000VA-10000VA) (SDU) -
Sentinel Pro (700VA-3000VA) -
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