Specifications Series ACS355 Input Voltage (Uin) 380-480V AC Horsepower 20 HP Amperage 31 Amps Frequency (f) 0-600 Hz Frame Size R4 Documents ACS355 Series Catalog ACS355 User's Manual Related Products Quick view ACS355-03U-31A0-4+J404 AC Variable Frequency Drive (20 HP, 31 A) Quick view ACS355-03U-31A0-2 AC Variable Frequency Drive (10 HP, 31 Amps) Quick view ACS355-03U-31A0-2+J400 AC Variable Frequency Drive (10 HP, 31 Amps) Quick view ACS355-03U-31A0-4+J400 AC Varaible Frequency Drive (20 HP, 31 A) Quick view ACS355-03U-31A0-4+N830 AC Variable Frequency Drive