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ABB AINP-01C Input Bridge Control Board 

1. Key Parameters

• Product Model: AINP-01C
• Product Series: ABB AINP-Series Industrial Converter Input Control Boards (Rectifier Bridge Management)
• Core Function: Thyristor firing control; input bridge fault protection; DC bus voltage regulation; compatible with ABB ACS converters.

2. Core Features

• Precise Firing Control: Accurate thyristor trigger timing (±1μs) ensures stable AC-DC conversion, minimizing DC bus ripple (critical for motor drive performance).
• Proactive Protection: Detects overcurrent/overvoltage in <10ms, shutting down the input bridge to prevent damage to converter components.
• Converter Compatibility: Factory-matched to ABB ACS800/ACS550 converters, enabling plug-and-play integration without calibration.
• Compact Design: Small form factor fits in dense converter cabinets, optimizing space utilization.

3. Application Fields

• ABB ACS Converters: Controls rectifier bridges in ACS800/ACS550 frequency converters for motor speed regulation (pumps, fans, conveyors).
• Industrial Power Conversion: Manages AC-DC rectification in auxiliary power supplies for heavy machinery (e.g., steel mill rolling equipment).
• Renewable Energy Auxiliaries: Regulates input rectification in converter systems for wind turbine pitch drives or solar inverter auxiliaries.

4. Precautions

• Compatibility: Use exclusively with ABB ACS800/ACS550 converters; do not install in non-ABB or other ABB converter models.
• Installation: Follow ESD protection (anti-static wristband); ensure secure backplane connection to avoid trigger signal loss.
• Safety: Never service while the converter is energized; discharge the DC bus before inspection to prevent electric shock.
• Spare Parts: Use genuine ABB AINP-01C units—non-genuine boards may cause unstable rectification or delayed fault response, risking converter damage

The structure and details of the product：

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