ABB ACS355-03E-23A1-4 Variable Frequency Drive

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Manufacturer: ABB
Product No.: ACS355-03E-23A1-4
Country of origin:Sweden
Product Type: Variable Frequency Drives
Barcode: 85044095
Payment: T/T, Western Union
Weight: 2500g
Dimensions: 169 x 169 x 169 mm
Shipping port: Xiamen
Warranty: 12 months

Description

Designed to deliver precise speed and torque control for low-voltage AC motor applications, the ABB ACS355-03E-23A1-4 variable frequency drive serves as a high-performance system component within the ACS355 series. This three-phase machinery drive handles demanding production environments with integrated Safe Torque Off (STO) capabilities, dynamic braking options, and optimized IP20 cabinet compatibility. Engineered for seamless integration into industrial panels, this drive ensures reliable operation under varying mechanical loads and maintains exceptional efficiency throughout its operational life cycle.

Features

Safe Torque Off (STO): Built-in dual-channel safety system certified up to SIL3 / PL e, eliminating the need for external redundant contactors.
Flexible Motor Control: Supports both scalar (V/Hz) and vector (sensorless) control algorithms to optimize torque performance at low speeds.
Integrated Brake Chopper: Standard built-in dynamic braking transistor allows direct connection of external braking resistors for decel control.
Cabinet Optimization: Symmetrical IP20 enclosure design allows direct side-by-side DIN-rail or screw mounting without lateral clearance requirements.
Sequence Programming: Built-in independent logic sequence programming enables the drive to perform basic automation tasks without a separate micro-PLC.

Applications

Conveyor Systems: Precise speed control and high starting torque handling under heavy physical loading.
Mixers and Agitators: Vector control mode dynamically compensates for viscosity changes in process mixtures.
Pumping and Ventilation: Quadratic load curves optimize energy savings in commercial air handling and fluid transport.
Packaging Equipment: High-speed digital inputs and dynamic braking enable quick cycle response times.

Technical Specifications

Manufacturer	ABB
Model Number	ACS355-03E-23A1-4
Product Series	ACS355
Input Voltage	380 to 480 VAC (3-Phase, +/-10%)
Output Current (Normal Use)	23.1 A
Output Power (Normal Use)	11 kW (15 HP)
Output Frequency Range	0 to 600 Hz
Enclosure Rating	IP20 (Open Type)
Frame Size	R3
Physical Dimensions	169 x 169 x 169 mm
Shipping Weight	2.50 kg (5.51 lbs)
Commodity Code	85044095

Connections and Interfaces

Terminal Block	Terminal Name	Default Function Assignment
Analog I/O	AI1 / AI2 / AO	Speed Reference Input / Auxiliary Reference Input / Motor Speed Output
Digital Inputs	DI1 to DI5	Start/Stop, Reverse, Constant Speed Select, Acceleration/Deceleration Ramps
Auxiliary Voltage	+24V / DCOM	Auxiliary voltage output and Digital ground reference
Relay Outputs	RO1 (C/O)	Fault / Ready signalization (Form C relay output)
Safety Terminal	OUT1 / OUT2 / IN1 / IN2	Dual-channel Safe Torque Off (STO) circuit loop

Empirical Engineering Insights

Alternative Models & Compatibility: The ACS355 series represents an evolutionary upgrade over legacy ACS350 drives. Standard parameter configurations can be transferred directly between equivalent frame sizes via the handheld ABB FlashDrop tool. If replacing a standard ACS350, verify PLC fieldbus mapping configurations, as the ACS355 offers expanded fieldbus adapter compatibility profiles.

Application Pitfalls & Engineering Notes: When mounting IP20 drives inside high-density enclosures, thermal management is key. Even though the ACS355 supports side-by-side mounting, a minimum of 75 mm of vertical clearance is required above and below the cooling fan assembly to prevent internal thermal hotspots and premature fault codes like F0009 (Overtermperature).

Commissioning & Wiring Tips: To utilize the built-in STO safety feature, both physical STO input channels (IN1 and IN2) must switch state simultaneously within a 250 ms time frame. An asymmetric trigger caused by poor auxiliary contact timing on physical safety relays will trigger fault code F0021 (STO validation fault) on the keypad screen.

Installation Guidelines

CRITICAL WARNING

Risk of electric shock. Ensure all AC main power feeds are physically disconnected and locked out. Allow a minimum of 5 minutes for the internal DC bus capacitors to discharge to safe levels before removing the cover or starting wiring procedures. Always verify zero voltage status with a certified multimeter.

Mount the drive vertically on a flat, non-flammable surface using the correct frame-size mounting brackets.

Verify the power line input parameters match the specifications label (3-phase 380 to 480 VAC).

Connect the incoming power supply wires to terminals U1, V1, and W1. Connect the motor supply cable to terminals U2, V2, and W2 utilizing high-integrity shielded cabling.

Terminate control and STO safety loops using recommended shielded multi-conductor cables to maintain electromagnetic compatibility (EMC).

Securely ground the drive frame directly to the main cabinet ground bus using an appropriate low-impedance ground strap.

Key Features:

#ACS355 #Variable Frequency Drives

What is the primary difference between scalar and vector control on the ACS355?

Scalar control adjusts the output voltage proportionally to the frequency, suitable for simple pump and fan loads. Vector control dynamically regulates magnetic flux and torque vector angles, providing superior holding torque and rapid motor response at low operational speeds.

How do you clear an F0021 Safe Torque Off validation fault?

This fault indicates an timing mismatch between STO channels. Verify that the dual-channel safety relay contacts are operating simultaneously. Once the wiring issue is corrected, perform a manual power-cycle or input a digital reset signal.

Can this drive run on a single-phase incoming power supply?

No. The ACS355-03E-23A1-4 is designed specifically for 3-phase supply configurations. Attempting to run it on single-phase power will trigger phase-loss protection faults and damage the input rectifier stage.

What is the minimum physical clearance required for side-by-side mounting?

The ACS355 features an IP20 flat-side enclosure design, allowing multiple units to be mounted adjacent to each other with 0 mm lateral clearance. However, vertical clearance of 75 mm must be maintained above and below each unit.

Global Express Shipping

Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
12-Month Warranty: Every industrial component is backed by our professional technical 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 .

TECHNICAL SPECIFICATIONS

Country of origin

ABB ACS355-03E-23A1-4 Variable Frequency Drive