ABB ACS355-03E-08A8-4

ABB ACS355-03E-08A8-4

Product Overview

Electrical & Performance Specifications

• Output Power: 4 kW (approx. 5 hp)
• Rated Output Current: 8.8 A (continuous, AC-3)
• Input Voltage: 380–480 V AC (3-phase)
• Operating Frequency: 50–60 Hz
• Control Modes: Volts-per-Hertz (V/f) and Sensorless Vector Control (including Permanent Magnet motors)
• Overload Capacity: 150% of nominal current for 60 seconds every 10 minutes; 175% for 2 seconds at start

Features & Functionality

• Stop Safety: "Safe Torque Off" (STO) capability up to SIL 3
• Built-In Brake Chopper for dynamic braking
• Programming Tools: DriveWindow software and FlashDrop for quick configuration without power
• I/O: 2 analog inputs, 5 digital inputs, 1 analog output, 1 digital output, 1 relay output
• Aux Power Terminals: Facilitates common DC bus configurations for multiple drives

Environmental & Installation Specs

• Enclosure Rating: IP20; optional NEMA 1 / UL Type 1
• Mounting Type: Wall mount; DIN-rail adapter (rear mount) or screw mount available
• Ambient Temperature: –10 °C to +40 °C (no derating); 50 °C possible with reduced output
• Free Space: Minimum 75 mm above and below, 0 mm at sides for side-by-side installation
• Height Width Depth: R1 frame size—70 mm wide, 161 mm deep, 169 mm high (239 mm including mounting components)
• Weight: ~1.2 kg
• Power Loss (Heat Dissipation): Approx. 127 W

Additional Technical Highlights

• Switching Frequency: Default 4 kHz; user-selectable up to 16 kHz
• Speed & Torque Precision:
• Static accuracy: <1% error with 100% torque step
• Torque response: <10 ms rise time; ±5% nonlinearity at nominal torque
• Braking Resistor Specs: Permitted (70–110 Ω); see product guidelines for sizing
• Mounting Options: Adjustable via rear or side mounts—varied baseplate configurations
• Environmental Certifications: RoHS compliant

Summary Table

Feature Specification Output Power 4 kW (5 hp) Output Current 8.8 A (continuous) Supply Voltage 380–480 V AC, 50–60 Hz Overload Capacity 150% (60 s), 175% (2 s at start) Control Modes V/f and Sensorless Vector (including PM) Safety Feature Safe Torque Off (STO), brake chopper included Programming Tools FlashDrop, DriveWindow Cooling & Loss ~127 W heat dissipation Enclosure Rating IP20 (NEMA 1/UL Type 1 optional) Dimensions (W × D × H) 70 mm × 161 mm × 169 mm (239 mm including mount) Weight ~1.2 kg Ambient Temp Range –10 °C to +40 °C (to +50 °C with derating) Mounting Clearance 75 mm top/bottom, 0 mm sides Switching Frequency 4 kHz (default); up to 16 kHz selectable Speed/Torque Accuracy <1% error; <10 ms response; ±5% nonlinearity Compliance & Safety RoHS; STO to SIL 3