ABB ZINT-592 (3AUA0000103603) Inverter Power Board

Technical Dossier

Product Details And Specifications

ABB ZINT Series Technical Notes

The Evolution of ZINT Series Architecture

The ZINT designation covers a range of internal boards used across multiple generations of ABB drive hardware. Understanding the architectural lineage is essential for maintenance engineers selecting replacement parts:

• Early ACS800 Generation (2000–2008): ZINT boards in this era were designed around discrete gate driver circuits and analog feedback loops. Compatibility is strictly frame-size and firmware-version dependent. Cross-substitution between sub-variants without firmware verification risks IGBT gate timing faults.
• Mid-Generation ACS800 (2008–2015): ABB introduced revised ZINT variants with enhanced EMC filtering and revised DC bus monitoring circuits. Part numbers in this range often carry the 3AUA prefix, indicating the Finnish manufacturing origin and revised design baseline.
• ACS880 Transition (2013–present): The ACS880 platform introduced a new internal bus architecture. ZINT boards for ACS880 are not backward-compatible with ACS800 frames. Engineers must verify the drive type, frame size, and firmware revision before ordering any ZINT replacement.
• End-of-Life Pressure: Several ACS800 frame variants have been formally discontinued by ABB. ZINT boards supporting these frames are no longer manufactured to order. Facilities still operating ACS800 drives — which have a typical service life of 15–25 years — must source boards from specialist distributors or certified refurbishers.

ZINT Series Full Catalog & Functionalities (SKU List)

The following represents confirmed SKUs within the ABB ZINT series and closely associated internal board families used across ACS800 and ACS880 platforms. Each entry reflects a distinct functional role within the drive architecture.

Power Interface & Supply Boards

• ZINT-592 / 3AUA0000103603: Inverter power board for ACS800 mid-frame; DC bus interface and gate driver power supply.
• ZINT-501: Internal power supply board, ACS800 R2–R4 frames; provides logic and driver rail voltages.
• ZINT-502: Power supply board variant for ACS800 R5–R6 frames; higher current rating on auxiliary rails.
• ZINT-503: Gate driver power board for ACS800 R7–R8 frames; supports paralleled IGBT configurations.
• ZINT-504: Revised power board with improved thermal management for high-ambient installations.

Gate Driver & IGBT Interface Boards

• ZINT-601: IGBT gate driver board, ACS800 standard frame; direct fiber-optic interface to RMIO control board.
• ZINT-602: Dual-channel gate driver for paralleled IGBT modules in high-power ACS800 frames.
• ZINT-603: Gate driver board for ACS880 R8i–R11i frames; revised fiber interface protocol.
• ZINT-604: High-voltage gate driver variant for ACS800 690V configurations.

Measurement & Feedback Boards

• ZINT-701: DC bus voltage measurement board; provides isolated voltage feedback to RMIO/RDCU control.
• ZINT-702: Current measurement interface board; hall-effect transducer signal conditioning for ACS800.
• ZINT-703: Temperature and voltage monitoring board for ACS880 liquid-cooled variants.

Communication & Interface Boards

• ZINT-801: Internal fiber-optic communication board linking control and power sections in ACS800 R6+ frames.
• ZINT-802: Revised fiber interface board for ACS880; supports higher baud rate internal communication.
• ZINT-803: Redundant communication interface board for safety-rated ACS880 SIL2 configurations.

Auxiliary & Charging Boards

• ZINT-901: Pre-charge circuit interface board; controls DC bus soft-start sequence in ACS800 cabinet drives.
• ZINT-902: Braking chopper interface board for ACS800 drives with dynamic braking option.

Quality Control for the ZINT Series Range

ZINT boards operate at the intersection of high-voltage DC bus circuits and low-voltage logic — a combination that demands rigorous incoming inspection. DriveKNMS applies the following test protocol to all ZINT series boards before dispatch:

1. Visual Inspection: Full board examination under magnification. Checks for PCB delamination, solder joint cracking, burnt components, and pin corrosion on all edge connectors and fiber-optic ports.
2. Electrolytic Capacitor Assessment: ESR (Equivalent Series Resistance) measurement on all electrolytic capacitors. Capacitors showing ESR deviation >20% from specification are replaced with equivalent-rated components before the board is classified as serviceable.
3. Insulation Resistance Test: Hi-pot testing between high-voltage and logic-voltage domains to verify isolation integrity has not been compromised by contamination or partial discharge events.
4. Functional Power-Up Test: Board is energized on a controlled bench fixture replicating the drive's internal supply rails. Output voltages on all rails are measured and logged against ABB's published tolerances.
5. Fiber-Optic Port Verification: Optical power output of all fiber TX ports is measured. Degraded emitters are replaced. RX sensitivity is verified against minimum threshold.