Drive identity and deployment context
The Fuji FRN020AR1L-4U is a FRENIC-HVAC series variable frequency drive rated for 20 HP on a 3-phase 460 V supply, housed in a NEMA Type 12 enclosure. The NEMA 12 rating means the enclosure is dust-tight and drip-proof — suited for indoor industrial environments like HVAC mechanical rooms or light manufacturing where washdown isn't required but airborne particulates are present.