Specifications Series ACS310 Input Voltage (Uin) 380-480V AC Horsepower 20 HP Amperage 31 Amps Frequency (f) 50-60 Hz Frame Size R4 Documents ACS310 Series Catalog ACS310 User's Manual Related Products Quick view ACS310-03U-34A1-4+J400 | AC Variable Frequency Drive (20 HP, 31 A) Quick view ACS310-03U-34A1-4+J404 | AC Variable Frequency Drive (20 HP, 31 A) Quick view ACS310-03U-34A1-2 AC Variable Frequency Drive (10 HP, 31 Amps) Quick view ACS310-03U-34A1-2+J400 | AC Variable Frequency Drive (10 HP, 31 A) Quick view ACS310-03U-34A1-2+J404 | AC Variable Frequency Drive (10 HP, 31 A)