Skip to product information
1 of 3

Regular price €170,00 EUR
Sale price €170,00 EUR Regular price
Tax included.
Low stock! Only 10 left

Description

This is an original Relay + Filter Board for ABB Aurora inverters, featuring robust construction and high-quality soldering. The board carries power relays, EMI filters, chokes, surge components, and interface terminals, making it a critical part of the inverter’s power input and signal control stage.

Compatible with various ABB Aurora models, it serves as the interface between DC input, grid connection, and internal switching elements.

🔄 Condition: Used, refurbished in excellent condition. Fully inspected.

🔧 Technical Specifications & Visible Components:

  • PCB Marking: 3G74-99-1 Pb-free
  • Part Number: 3G7404A4
  • Revision: AF
  • Serial Number: 1720110186

🧩 Board Elements & Features:

  • Impulse transformer: WQP15-015-01
  • 4x fuses (red, labeled F1–F4)
  • 3x copper-wound chokes
  • Blue X2 capacitors (275V)
  • SMD resistors (e.g., 220), capacitors like C13
  • Heavy-duty relays: HF115F series
  • Power/logic terminals: BOOST1, BOOST2, +BULK, N.C.
  • Connectors: J4, J27, RS485, Ethernet (ETH)
  • Terminal blocks: CH1–CH4 IN, PE, AC, L, N, DC INPUTS, GRID

✅ Key Functions:

✔ Power relay switching for inverter stages
✔ Input filtering and EMI suppression
✔ Safe grid interface and signal isolation
✔ Communication support via RS485 and Ethernet ports
✔ Designed for reliability in high-voltage PV environments

🔗 Ideal For:

✔ Repair or refurbishment of ABB Aurora inverter systems
✔ Restoring AC/DC interface reliability
✔ Service and spare part stock for field maintenance

📦 Includes: Complete relay + filter board assembly (as shown, no cables)

🚀 Restore safe and stable operation to your inverter with this OEM relay and filter interface board by ABB.

ABB Aurora Relay + Filter Board | PN: 3G7404A4 / 3G74-99-1 Pb-free | For Power-Stage Interface | Used, Tested

€170,00 EUR


What should I do if I am outside the European Union?

If you are outside the European Union, you are required to contact us to place an order. We will provide you with all available payment options and guide you through the delivery process.

Does it come with a warranty?

Yes, all details can be found in the product description or on the FAQ page on our website.

Where is the warehouse with my goods located?

The warehouse with your goods is located in our logistics center. Our logistics centers are situated in Italy and Bulgaria. For the exact address and delivery information, please contact us.

How fast is shipping?

Shipping times vary depending on the destination. For estimated delivery times, please contact us with your location details, and we’ll provide the most accurate information.

What's the returns policy?

We offer the option of exchanging a product within 30 days from the date of its receipt. If you have any questions or need to initiate an exchange, please contact our customer service department, and we will provide you with the necessary assistance in this matter.