The ABB 3AXD50000302246 is an ACH580-01-271A-6 LV AC wall-mounted drive built for HVAC duty. It runs on 3-phase 500-600 V input at 50/60 Hz, delivers 271 A continuous under light-overload use (UL), and is rated for 250 Hp. The R9 frame carries a NEMA Type1 enclosure with IP21 protection.
The 271 A light-overload rating (UL) governs motor starting and continuous running on a 500-600 V supply — the real-world sizing figure for a 250 Hp HVAC fan or pump.
