The ATV212HU40N4LCD is a 4 kW / 5 hp variable speed drive from the Altivar 212 series, designed for asynchronous motors on 380-480 V three-phase supplies. It ships with a built-in Class C2 EMC filter, so you can skip the external filter for most European industrial environments — that saves a DIN-rail slot and about 15 minutes of panel wiring at commissioning.
Rated motor power is 4 kW (5 hp) at 380-480 V, line current 8.1 A at 380 V and 6.4 A at 480 V. That puts it squarely on a standard 4-pole induction motor for a pump, fan, or small conveyor — not oversized, not marginal. The integrated PI regulator handles closed-loop pressure or flow control without an external controller. The drive carries full motor and line protection: thermal overload, short-circuit between motor phases, input phase loss, DC bus overvoltage, and PTC probe input for motor thermal protection. That means you can usually skip a separate motor protection relay — the drive handles it internally, which simplifies the BOM and the panel layout. Operating altitude is rated to 1000 m without derating; between 1000 and 3000 m derate 1 % per 100 m, and the Corner Grounded distribution network is limited to 2000 m. If your site is above 1000 m, factor that into the sizing — a 4 kW motor at 1500 m needs about 5 % headroom.
Where this drive class is used
Altivar 212 drives are built for HVAC and industrial pumping, fan, and compressor applications — constant-torque and variable-torque loads in commercial buildings, water treatment, and light industrial lines. The integrated EMC filter at C2 level means it meets the conducted emission limits for most European industrial power networks without add-on hardware.