AC Drives
Compare 1 AC Drives parts from manufacturers including ABB, with live price tracking and alerts.
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Filter in catalog →Frequently asked questions
What motors can this drive?
The ACS550-U1-012A-4 controls 3-phase AC induction motors from 0.5 to 7.5 kW at 400V. Ensure motor terminal rating matches the drive's output voltage and current capability.
Is filtering required?
No external DC filter is needed—the U1 model includes an integrated DC choke for EMC compliance and reduced harmonics, saving installation space and cost.
How is it mounted?
Wall mounting via DIN rail bracket (optional). The compact design (186 × 345 mm footprint) fits into tight panel layouts typical of retrofit installations.
What outputs does it provide?
Three digital inputs for control signals, one analog output (0-10V or 4-20mA selectable), and one relay output for alarms or auxiliary functions.
Can it perform soft-start or regenerative braking?
DC braking is available via optional modules. For soft-start, the ACS550 provides ramp-up control. True regenerative braking requires external hardware.
Is supply voltage critical?
The drive accepts 400V 3-phase ±10% (360-440V), making it robust for industrial sites with voltage fluctuation. 50/60 Hz auto-detection is standard.