Description
ABB GDC780BE21 3BHE004468R0021 Product Introduction and Technical Parameters
Basic Product Information
Brand: ABB
Model: GDC780BE21, material code 3BHE004468R0021
Product Type: Gate Drive Control Board for Excitation System
Origin: Sweden
Customs HS Code: 853710 (industrial control printed circuit board, subject to local customs final confirmation)
Physical Parameters
Dimensions: 261mm × 196mm × 20mm
Weight: Approximately 0.34kg
Electrical Technical Parameters
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GDC780BE21 3BHE004468R0021
Input Parameters
Input supply voltage: 24VDC, tolerance ±10%
Typical input current: 320mA
Input signals: Multi-channel digital discrete input and high-speed differential feedback signal input from power semiconductors.
Output Parameters
Output type: High-speed gate drive pulse output and digital fault alarm output
Isolation voltage: 3000VAC galvanic isolation between control side and power side
Maximum power consumption: 20W
Core Product Characteristics
It adopts industrial-grade PCB design with strong galvanic isolation to protect control circuits from high voltage interference in excitation loops. The board integrates 16 I/O channels for dynamic field signal collection and fast pulse output. Built-in hardware protection functions including overcurrent protection, overtemperature lockout and short-circuit shutdown, it can trigger fault codes and stop driving signals immediately when abnormal conditions occur. It supports high-speed serial communication to exchange real-time operating data with the main excitation controller. The standard rack-mounted card structure supports quick installation and replacement during on-site maintenance. It works stably within ambient temperature from -20°C to +60°C, with relative humidity ranging from 5% to 95% non-condensing. It complies with IEC 60068-2-6 vibration standard and CE EMC requirements to adapt to harsh power plant operating environments.
Application
This ABB GDC780BE21 gate drive control board is mainly matched with ABB UNITROL excitation systems, applied in thermal power plants, hydropower stations and other power generation industries for synchronous generator excitation control and equipment spare part replacement.
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GDC780BE21 3BHE004468R0021
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Shipping:
1. Your item will be shipped to all countries via EMS, unless one country cannot be shipped via EMS. We will choose DHL, UPS, or FedEx. Please leave us your phone number.
2. We will ship the product to you on the same day or within 1-2 working days after receiving your payment. The shipping time depends on the country/region where you reside, the customs and habits of your country/region, and especially during peak hours.
3. Assuming (assuming) that the item requires payment of tariffs from your country, the buyer is obligated. We are not responsible for any taxes or customs fees in your country/region.
Return Policy:
1. Please contact us before returning the item.
2. The buyer should inform the seller of all returned items within 7 days after receiving the package. We reserve the right to reject any request to inform the seller for more than 7 days.
3. Returned products must have all original packaging and be in good condition.
Response policy:
If you are satisfied with the purchase, please leave us an active response.
2. If you have any questions about the outcome of the transaction or product, please contact us first and we will do our best to satisfy you!
3. Please do not reply with negative feedback before contacting us!
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