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ZGAD-791

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The ABB ZGAD-791 is a reliable gate driver adapter board designed for ACS880 inverters, providing precise IGBT control and enhanced industrial performance.
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Technical specifications for ZGAD-791

  • Manufacturer:
    ABB
  • Part Number:
    ZGAD-791
  • Product Family:
    ABB Drives
  • Compatible Series:
    ABB ACS880 series inverters
  • Core Function:
    IGBT gate drive (trigger) board; controls IGBT on/off
  • Applicable Drive Frames:
    R6–R9
  • Input Voltage (Control Signal):
    24 V DC nominal
  • Output Signal:
    PWM gate signals (~16 kHz) to IGBT modules
  • Operating Temperature:
    ‑10°C to +60°C
  • Storage Temperature:
    ‑25°C to +85°C
  • Protection Class:
    IP20 (internal module, dust-proof)
  • Weight:
    0.38 kg
  • Estimated shipping dimensions:
    14.8x6.4x2.8cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.
Description
The ABB ZGAD-791 is a high-precision gate driver adapter board tailored for ACS880 series inverters. Its primary role is to deliver accurate PWM gate signals to the IGBT modules, ensuring rapid and reliable on/off switching while protecting the power modules from electrical stress and ensuring stable operation.

Designed to fit R6 to R9 drive frames, the ZGAD-791 seamlessly interfaces between the main control system and the inverter’s power section. This modular approach simplifies installation, maintenance, and replacement, reducing downtime and improving operational efficiency across industrial drive systems.

The board operates in a wide temperature range of ‑10°C to +60°C and can be safely stored between ‑25°C and +85°C, supporting operation in standard industrial environments. Its IP20 internal protection rating ensures dust-proof installation within the drive chassis, maintaining long-term reliability.

By providing precise IGBT gate control, the ZGAD-791 improves inverter efficiency, reduces switching losses, and enhances overall drive performance. Its robust design aligns with ABB’s stringent quality standards, making it a trusted choice for industrial automation applications.
Alternative Names
2GAD-791 ZGAO-791 ZGAD-7g1 ZGAD-79I ZGAD791 2GAD791 ZGAO791 ZGAD7g1 ZGAD79I
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Which ACS880 frames is this board compatible with?
It supports R6 to R9 drive frames specifically.
Is the ZGAD-791 always in stock?
Availability depends on current warehouse stock. Please contact our sales team to confirm.
What environments can the ZGAD-791 operate in?
It operates in ‑10°C to +60°C, storage ‑25°C to +85°C.
Can I get more detailed photos of the board?
Yes, we provide high-resolution product images on request.
Can it be used in dusty or high-humidity industrial environments?
It is designed for IP20 internal mounting; additional protective enclosures are recommended for harsh conditions.

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