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ACS355-03E-31A0-4

The ABB ACS355-03E-31A0-4 is a compact, general-purpose AC drive (variable frequency drive - VFD) from ABB's ACS355 series. It is designed for simple and cost-effective motor speed control in a wide range of industrial applications, particularly for pumps, fans, conveyors, and basic material handling.

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Technical Data Parameter Specification / Value Drive Series & Model ABB ACS355 General Purpose Drive Product Code ACS355-03E-31A0-4 Rated Output Power 1.1 kW (1.5 HP) Rated Output Current 3.1 A Input Supply Voltage 3-phase, 380 - 480 V AC (±10%) Input Supply Frequency 47 - 63 Hz Output Frequency Range 0.1 - 500 Hz Control Methods Scalar Control (Volts/Hertz) for standard applications. Enclosure Class IP20 / UL Type 1 (Chassis Type) - For mounting inside a control cabinet for protection. Built-in EMC Filter Yes, Class A (for industrial environments). Limits conducted emissions. Built-in DC Choke Yes (on this model). Reduces input current harmonics and improves drive reliability. Fieldbus Interface Integrated Modbus RTU (via RS-485). Digital/Analog I/O 2 Digital Inputs (DI) 1 Digital Output (DO) - Relay 1 Analog Input (AI) (0/4-20 mA or 0-10 V) 1 Analog Output (AO) (0/4-20 mA) Overload Capacity 150% of rated current for 60 seconds. Braking Chopper Not built-in. Requires an external brake resistor for dynamic braking. Safety Function Safe Torque Off (STO) via an optional connection kit. Protection Features Motor thermal overload, overcurrent, overvoltage, undervoltage, short circuit, ground fault, etc. Operating Temperature -15°C to +50°C (without derating). Up to +40°C at full rated current. Storage Temperature -40°C to +70°C Relative Humidity < 95% RH, non-condensing Mounting Wall or DIN rail mounting (with optional adapter) Approvals & Standards CE, cULus, RoHS, compliant with IEC 61800-5-1, EN 61800-3