Manufacturer: ABB
Product No.: ACS550-01-08A8-4
Country of origin:Sweden
Product Type: Variable Frequency Drives
Barcode: 85044095
Payment: T/T, Western Union
Weight: 6500g
Dimensions: 12.50 x 36.90 x 21.20 cm
Shipping port: Xiamen
Warranty: 12 months
Engineered to deliver precise speed and torque control for three-phase induction motors, the ABB ACS550-01-08A8-4 variable frequency drive integrates seamlessly into low-voltage industrial power systems. This highly reliable motor controller supports an output power rating of 4 kW (5 HP) under normal duty conditions and operates across a standard supply voltage range of 380 to 480 V AC. As part of the established ACS550 series, this drive features an integrated swinging choke that significantly lowers harmonic distortion compared to standard line reactors, enhancing the operational lifespan of connected electrical infrastructure. The unit is housed in a robust IP21 protection enclosure, making it ideal for standard wall-mounted industrial installations requiring dependable thermal dissipation and compact spatial footprints.
| Parameter | Specification |
|---|---|
| Manufacturer | ABB |
| Model Number | ACS550-01-08A8-4 |
| Series | ACS550 Standard Drive |
| Input Voltage Range | 380 to 480 V AC (+10% / -15%) |
| Number of Phases | 3-Phase Input / 3-Phase Output |
| Normal Duty Output Power | 4 kW (5 HP) |
| Normal Duty Output Current | 8.8 A |
| Heavy Duty Output Power | 3 kW (4 HP) |
| Heavy Duty Output Current | 6.9 A |
| Input Frequency Range | 48 to 63 Hz |
| Enclosure Rating | IP21 (UL Type 1) |
| Control Connections | 2 Analog Inputs, 2 Analog Outputs, 6 Digital Inputs, 3 Relay Outputs |
| Communications | Modbus RTU (Embedded) |
| Product Dimension (W x H x D) | 12.50 x 36.90 x 21.20 cm |
| Net Shipping Weight | 6.50 kg |
| Commodity Code | 85044095 |
| Terminal Designation | Function / Assignment |
|---|---|
| U1, V1, W1 | 3-Phase AC Power Input Terminals |
| U2, V2, W2 | 3-Phase AC Variable Frequency Output to Motor |
| BRK+, BRK- | Dynamic Braking Resistor External Connections |
| AI1 / AI2 | Analog Inputs (Voltage 0...10V / Current 0/4...20mA) |
| AO1 / AO2 | Analog Outputs (Programmable, standard 0/4...20mA) |
| DI1...DI6 | Digital Inputs (Configurable, 12...24V DC PNP/NPN logic) |
| RO1, RO2, RO3 | Relay Outputs (Form C, programmable, max 250V AC / 30V DC) |
The ACS550-01-08A8-4 directly replaces legacy Frame R1 ACS400 drives with minimal mechanical adaptation. When retrofitting, note that digital I/O macros may default to "ABB Standard"; ensure your existing control wire maps match the programmed macro. For network upgrades, this VFD is fully compatible with optional fieldbus modules including the RPBA-01 (Profibus-DP), RCAN-08 (CANopen), and RETA-01 (EtherNet/IP / Modbus TCP).
For high-elevation installations exceeding 1000 meters above sea level, the output current must be derated by 1% for every additional 100 meters. Additionally, when using motor cables longer than 100 meters (328 feet), parasitic capacitance to earth can cause false "F0016" (Earth Fault) trips. In these configurations, an external du/dt filter or output reactor must be installed to protect the drive's output IGBT bridge and prevent winding degradation on older motors.
To configure analog input signals, ensure the onboard DIP switches (located behind the Assistant Control Panel assembly on the control board) match the desired input signal type: Switch J1 controls AI1 (Voltage/Current) and Switch J2 controls AI2 (Voltage/Current). Ensure control wiring is run in separate conduits from high-power motor and input cables to prevent high-frequency noise coupling. Always ground the motor cable shield 360 degrees at both the VFD clamp and the motor terminal box.
CRITICAL WARNING: ELECTRICAL HAZARD
Before beginning any installation, maintenance, or terminal wiring, disconnect all input power sources and lock out all disconnects. Wait a minimum of 5 minutes after de-energizing the drive to allow the internal DC bus capacitors to discharge fully. Verify zero voltage across terminals U1/V1/W1 and the DC bus terminals prior to handling internal components.
Mount the drive vertically on a flat, non-flammable surface, ensuring at least 200 mm of clearance above and below the cooling fan assembly for unimpeded vertical airflow.
Connect the input power conductors to terminals U1, V1, and W1, and the protective earth (PE) grounding conductor to the drive's primary chassis ground terminal.
Terminate the motor cables to U2, V2, and W2 using symmetrically shielded motor cables to minimize electromagnetic radiation and bearing currents.
Wire control, interlock, and emergency stop circuits to the I/O terminals, separating them by at least 200 mm from the high-voltage power lines.
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Returns & Warranty
Global Express Shipping
Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Sweden
|
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