The FRN900AR1S-4U: The 900 HP rating at 460 V three-phase defines the maximum motor load this drive can handle in HVAC duty — sized for large centrifugal fans, pumps, or compressor trains in commercial or industrial building systems. The UL open-type enclosure means it's intended for installation inside a panel or electrical room, not for standalone outdoor or washdown locations.
Fuji FRN900AR1S-4U FRENIC-HVAC Drive, 900HP 460V 3PH UL Open
MPNFRN900AR1S-4U
Fuji FRENIC-HVAC FRN900AR1S-4U, 3-phase 460V 900HP UL Open Type drive.
Source DocumentedChannel stated on listing & quote
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Independent China distributor & sourcing agent· Listing updated Sep 2026
Product details
Frequently asked questions
What is the FRN900AR1S-4U rated for?
It is a 900 HP, 460 V three-phase drive in a UL open-type enclosure, part of the FRENIC-HVAC series.
MPN
FRN900AR1S-4U