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ACS355-03E-05A6-4
ABB
The ABB ACS355-03E-05A6-4 is a compact 2.2 kW (3 HP) three-phase machinery drive featuring natural convection cooling (fanless design) for silent operation in noise-sensitive environments. With a rated output current of 5.6A and input range of 380–480V AC, it delivers sensorless vector control with output frequencies up to 500 Hz. The drive includes 6 programmable digital inputs, 2 analog inputs, 2 relay outputs, and built-in RS485 Modbus RTU communication. Optional fieldbus expansion supports Profinet, Modbus TCP, CANopen, and EtherNet/IP. The integrated STO (Safe Torque Off) safety function and IE2 efficiency rating make it suitable for food processing, logistics, textile, and woodworking applications. Compact dimensions (260 × 70 × 187 mm) and IP20 enclosure allow easy cabinet integration. Note: This model has been discontinued by ABB and is available as stock/second-hand.
Q: Why is this drive fanless?
A: The ACS355-03E-05A6-4 uses natural convection cooling, eliminating fan noise and reducing maintenance. This makes it ideal for noise-sensitive environments like food processing and clean rooms.
Q: Is this model still in production?
A: No, ABB has discontinued the ACS355 series. However, stock and refurbished units are widely available from distributors.
Q: What is the difference between ACS355 and ACS580?
A: ACS355 is a compact machinery drive optimized for machine building applications with sequence programming. ACS580 is a general-purpose wall-mounted drive with a wider power range, assistant control panel, and more built-in features.
Q: Does it support sensorless vector control?
A: Yes, the ACS355 supports both V/f scalar and sensorless vector control modes for improved low-speed torque performance.
ABB ACS355-03E-05A6-4 | |
ACS355 Machinery Drive | PN 2.2 kW, IN 5.6 A, 380-480V 3-phase, IP20, built-in EMC C3 filter, STO SIL3 | |
Feature | Specification |
Rated Motor Power | 2.2 kW (3 HP) |
Rated Output Current (I2N) | 5.6 A |
Overload Capacity | 150% 1min / per10min (180% 2s Start) |
Input Voltage | 380-480 V AC, 3-phase (±10%) |
Input Frequency | 48-63 Hz |
Output Frequency Range | 0-500/599 Hz |
Enclosure Rating | IP20 (Main Unit) |
EMC Filter | C3 (EN 61800-3, Second Environment) |
Dimensions (HxWxD) | 239 × 70 × 161 mm (R1) |
Weight | ≈ 1.2 kg |
Control Mode | V/f Scalar, Sensorless Vector Control |
Motor Compatibility | Induction Motor (IM), PM Motor (PM) |
Safety Function | STO SIL 3 / PL e / Cat. 3 |
Built-in Brake Chopper | Yes |
I/O Configuration | 2AI, 5DI, 1AO, 1RO, 1DO |
Communication Interface | RS-485 (Modbus RTU); Optional Profibus/Profinet/EtherNet/IP |
Built-in PID Controller | Yes |
Sequence Programming | 8 Steps (Expandable to16Steps) |
PCB Coating | Conformal Coated (Standard) |
Cooling Method | Natural Convection (R1Fanless) |
Certifications | CE, UL, cUL, RoHS, EAC |
Lifecycle Status | Active (toward ACS380/ACH580 Transitioning) |