ABB ACS355-03E-01A9-4

ABB ACS355-03E-01A9-4 Variable Frequency Drive

Product Overview

The ABB ACS355‑03E‑01A9‑4 is a compact 3-phase machinery drive (VFD) from the ACS355 series, optimized for machine integration. Rated at 0.55 kW with a continuous output current of 1.9 A, it operates on a 380–480 V AC supply. Designed for efficient installation, configuration via Flash-Drop, and safe operation with built-in STO functionality and C3 EMI filtering.

Electrical & Performance Specifications

• Output Power: 0.55 kW (approx. 0.75 hp)
• Rated Output Current (AC‑3): 1.9 A
• Supply Voltage: 380–480 V AC (3-phase), 50/60 Hz
• Enclosure Rating: IP20
• EMC Rating: Built-in C3 filter

Safety & Features

• Safe Torque Off (STO) for SIL‑level safety
• Integrated Brake Chopper
• FlashDrop Tool for parameter setup without power
• DriveWindow Light for PC-based configuration and diagnostics
• Sequence Programming & Application Macros built-in

Installation & Environmental Details

• Mounting: Wall or cubicle mount, supporting DIN rail or rear/side fixing
• Ambient Temperature: –10 °C to +40 °C (up to +50 °C with derating)
• Ventilation: 75 mm clearance top and bottom; 0 mm side clearance permitted
• Dimensions (Frame R0): 70 mm wide, 161 mm deep, 169 mm high (239 mm including mounting hardware)
• Weight: ~1.7 kg
• Heat Dissipation: Approx. 40.4 W at full load

Summary Table

Feature Specification Power Rating 0.55 kW (0.75 hp) Rated Current 1.9 A (AC-3) Supply Voltage 380–480 V AC, 50/60 Hz Enclosure Rating IP20 EMC Filter Built-in C3 filter Safety Feature Safe Torque Off (STO) Brake Function Integrated brake chopper Setup Tools FlashDrop; DriveWindow Light Programming Sequence, macros, assistants Mounting Options DIN-rail, rear/side wall mount Operating Temp –10 °C to +40 °C (derate to +50 °C) Heat Dissipation ~40 W at maximum load Clearance Requirement 75 mm top/bottom, 0 mm sides Dimensions (R0 frame) 70 × 161 × 169 mm (239 mm incl. mount) Weight ~1.7 kg