• Schneider Electric NHA75769-02
  • Schneider Electric NHA75769-02
  • Schneider Electric NHA75769-02
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Schneider Electric NHA75769-02 Altivar Process ATV630 250kW Power Board

Schneider Electric NHA75769-02 Altivar Process ATV630 250kW Power Board

The Schneider Electric NHA75769-02 is a specialized power board designed for the Altivar Process ATV630 variable frequency drive platform. This component serves as a critical element of the drive's power...

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SKU: NHA75769-02
Vendor: Schneider Electric
Category: VFD Power Board
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The Schneider Electric NHA75769-02 is a specialized power board designed for the Altivar Process ATV630 variable frequency drive platform. This component serves as a critical element of the drive's power stage, facilitating energy transfer between the input rectifier, DC bus, and the inverter section to ensure stable motor control and efficient power conversion.

Features

  • Engineered for high-power industrial applications, specifically for 250 kW drive models.
  • Manages DC bus power distribution and inverter power management for reliable motor operation.
  • Interfaces directly with IGBT power modules and gate driver circuits for precise switching control.
  • Constructed with industrial-grade multilayer PCB materials to withstand rigorous electrical and thermal environments.
  • Supports integration with drive protection electronics and current sensing components.

Applications

  • Water and Wastewater: Regulation of high-power pumps and fluid system flow rates.
  • Mining and Metals: Control of heavy-duty conveyors, crushers, and process fans.
  • Oil and Gas: Management of high-efficiency compressors and pumping stations.
  • Food and Beverage: Operation of large-scale mixers, packaging machinery, and processing utilities.
  • Heavy Manufacturing: Variable and constant torque applications requiring energy efficiency.

Technical Specifications

Model NHA75769-02
Compatible Drive Power 250 kW
Nominal Output Current 481 A
Maximum Transient Current 529 A
Input Voltage 380–480 V AC
Operating Temperature -15 degC to +50 degC
Storage Temperature -40 degC to +70 degC
Relative Humidity 5% to 95% (non-condensing)

Installation Guidelines

  • Power Off: Completely disconnect the ATV630 drive from the mains supply. Wait at least 15 minutes to allow internal DC bus capacitors to fully discharge before opening the enclosure.
  • ESD Protection: Always utilize a grounded ESD wrist strap when handling internal electronic boards to prevent electrostatic damage to sensitive components.
  • Documentation: Photograph existing wiring harnesses and board connections prior to removal to ensure accurate re-installation.
  • Environment: Ensure the installation area meets pollution degree 2 requirements per EN/IEC 61800-5-1.

FAQ

What is the primary function of the NHA75769-02?

The NHA75769-02 is a power board that manages the power stage of the Altivar ATV630 drive, controlling IGBT switching and power conversion from AC input to variable frequency AC output.

Which drive series is this board compatible with?

This board is designed for the Schneider Electric Altivar Process ATV630 series, specifically for units rated at 250 kW.

What is the required safety procedure before installation?

You must isolate the drive from the power supply and allow a minimum of 15 minutes for the DC bus capacitors to discharge before accessing the internal components.