ABB ACS550-01-031A-4 ACS550 Variable Frequency Drive

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Fabricante: ABB
Nº do Produto: ACS550-01-031A-4
País de origem:Suécia
Tipo de Produto: Variable Frequency Drives
Código de barras: 85044086
Pagamento: T/T, Western Union
Peso: 16000g
Dimensões: 583 mm x 203 mm x 231 mm
Porto de embarque: Xiamen
Garantia: 12 meses

Description

Managing three-phase motor performance in demanding automation systems is optimized using the ABB ACS550-01-031A-4 variable frequency drive, which supplies a nominal output current of 31 Amps and 15 kW (20 HP) of normal-duty shaft power. Engineered as an industrial-grade AC drive, this model operates on an input voltage range of 380 to 480 V AC, ensuring steady performance under fluctuating line conditions. The physical frame incorporates an integrated patented swinging choke design that significantly reduces supply line harmonics under both partial and full load conditions. Encased in a protective IP21 enclosure class, it is optimized for clean, wall-mounted indoor vertical installations, enabling close-coupled motor speed and torque regulation across various mechanical processes.

Features

Advanced scalar and vector motor control models to accommodate both constant and variable torque loads.
Integrated swinging choke design providing up to 25% lower low-frequency harmonics compared to traditional reactors.
Built-in standard Modbus RTU interface with expansion slots for optional fieldbus communication adapters.
Internal EMC filter as a standard component to limit electromagnetic emission and radio frequency interference.
Dedicated assistant control panel featuring multi-language support, real-time diagnostic helpers, and parameter backup capabilities.
Coated electronic circuit boards for improved reliability and resistance to industrial dust and ambient humidity.

Applications

Centrifugal pumps and high-volume water distribution booster systems.
Industrial ventilation fans, exhaust systems, and variable air-volume (VAV) air-handling units.
Bulk material handling conveyors and packaging line sorting belts.
Rotary screw air compressors and positive displacement industrial pumps.

Technical Specifications

Parameter	Specification Value
Manufacturer	ABB
Model Code	ACS550-01-031A-4
Product Series	ACS550 Standard Drive
Input Voltage Range	380 to 480 V AC (+10% / -15%)
Number of Phases	3-Phase
Input Frequency	48 to 63 Hz
Nominal Output Current (Normal Use)	31.0 Amps
Nominal Output Current (Heavy Duty)	24.6 Amps
Output Power (Normal Use)	15 kW (20 HP)
Output Power (Heavy Duty)	11 kW (15 HP)
Frame Size	R3
Enclosure Class	IP21 (UL Type 1)
Ambient Operating Temperature	-15 to +40 degC (No frost allowed; up to +50 degC with current derating)
Efficiency (at nominal power)	97.5%
Dimensions (H x W x D)	583 mm x 203 mm x 231 mm
Net Shipping Weight	16.00 kg
Country of Origin	Finland

Connections and Interfaces

Terminal Block Designation	Functional Assignment / Wiring Parameter
U1, V1, W1	3-Phase AC mains input power connection terminals
U2, V2, W2	3-Phase AC variable frequency output to induction motor
UDC+, UDC-	Internal DC intermediate bus connections (for dynamic brake chopper modules)
PE (Grounding Terminals)	Protective Earth terminals for input feed and output motor cable shield
X1-1 to X1-6 (Analog I/O)	AI1 (Speed Ref), AI2 (Process Ref), AO1 (Frequency), AO2 (Current), 10V Reference, AGND
X1-9 to X1-18 (Digital I/O)	DI1 (Start/Stop), DI2 (Fwd/Rev), DI3 to DI6 (Preset Speeds / Ramp select), +24V Aux Output
X1-19 to X1-27 (Relay Outputs)	Three programmable relay outputs (RO1: Ready, RO2: Running, RO3: Fault / Active Disturbance)

Empirical Engineering Insights

Alternative Models & Compatibility

This R3-frame unit functions as a direct drop-in replacement for older ACS550-01-031A-4 drives. If migrating parameter configurations via the assistant control panel (ACS-CP-A) from older versions of the drive, ensure that the target drive firmware matches the source version to prevent "Incompatible Parameter" transfer faults.

Application Pitfalls & Engineering Notes

Frame R3 thermal design relies on efficient forced-air convection. The cooling fan draws air from the bottom; thus, maintaining a minimum clearance of 200 mm above and below the VFD chassis is mandatory. Running this model inside unventilated, high-heat panels without dynamic thermal calculation will cause overtemperature faults (Fault 9: MOTOR OVERTEMP or Fault 3: DEV OVERTEMP) due to heat accumulation on the internal heatsink.

Commissioning & Wiring Tips

When running on IT networks (ungrounded delta systems), the internal EMC filter must be disconnected by removing the internal EMC grounding screw. Failure to disconnect this filter on an ungrounded system will ground the drive's internal capacitors, causing fatal damage to the input varistors and input bridge rectifier.

Installation Guidelines

CRITICAL WARNING: HIGH VOLTAGE HAZARD

Isolate all electrical feeds prior to removing the front enclosure cover. After de-energizing, wait a minimum of 5 minutes for the internal DC intermediate bus capacitors to discharge. Measure voltage across terminals UDC+ and UDC- using a calibrated voltmeter to ensure potential is below 50 V DC before starting physical service or terminal block termination.

Mount the drive vertically to a flat, non-flammable backplate within an enclosure designed to meet the site ambient requirements.

Run input power cables and output motor cables in separate steel conduits to mitigate high-frequency cross-coupling and electrical noise injection.

Terminate 3-phase incoming power to U1, V1, W1 and dynamic brake/motor lines to U2, V2, W2. Torque terminals according to standard frame R3 specification requirements.

Ground the drive frame using the dedicated PE grounding terminal, and connect the low-voltage control analog/digital signaling using shielded twisted pair cables terminated to the control terminal block.

Key Features:

#ACS550 #Variable Frequency Drives

What does the '031A' indicate in the ACS550-01-031A-4 model code?

It specifies the normal-duty nominal output current rating of 31.0 Amps, which is suitable for standard variable torque motor loads up to 15 kW (20 HP).

Can I operate this ACS550 drive on a 230V or single-phase supply network?

No. This model requires a 3-phase input voltage supply of 380 to 480 V AC. Operating on single-phase will trigger phase loss trip codes, and lower voltages will cause undervoltage faults.

What is the physical frame size of this specific model?

The ACS550-01-031A-4 has a physical Frame Size of R3, which governs its dimensions, weight, thermal footprint, and mounting patterns.

How do I resolve a Ground Loop or Earth Fault (Fault Code F0016) during startup?

Verify the insulation of the motor and motor cable using a megohmmeter (with VFD disconnected). If insulation is fine, inspect motor cable routing for parallel cable capacitive coupling or check that the internal EMC filter grounding screw is in the correct configuration for your local grounding system.

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Devoluções e Garantia

Garantia de 30 Dias: Devoluções aceitas para produtos em estoque na embalagem original, lacrada de fábrica.
Garantia de 12 Meses: Cada componente industrial é coberto pela nossa garantia técnica profissional.

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TECHNICAL SPECIFICATIONS

Country of origin

ABB ACS550-01-031A-4 ACS550 Variable Frequency Drive