Skip to product information
1 of 4

Shop safely

Secure your shopping experience with various safe and trusted payment methods.

Payment methods
  • American Express
  • Apple Pay
  • Mastercard
  • Visa
Shop safely with us

Regular price €200,00 EUR
Sale price €200,00 EUR Regular price
Tax included.
Low stock! Only 10 left
Warranty Included

Smooth and stress-free — we handle issues, not forms.

After-Sale Care

From setup to support - we're with you after the purchase.

Description

This is a genuine Relay + Filter Board designed for Aurora / Power-One / ABB inverters with 3.6kW and 4.2kW output capacity. Identified by PCB marking 3G74-99-1 Pb-free, the board integrates key functions for DC input protection, grid relay switching, and power filtering.

🛠️ This board is known to resolve frequent inverter faults such as:
E013, E019, E023, E031, and Riso Low
(also displayed as 013, 019, 023, 031, Riso Low)

🔄 Condition: Used, professionally inspected and fully functional with original factory soldering.

📸 Visible Details from the Module:

🔹 Board Markings & ID:

  • PCB Marking: 3G74-99-1 Pb-free
  • Manufacturer: Power-One (before ABB acquisition)
  • Model Code (sticker): 9F53G740D14 AD
  • Serial Label Example: 239433

🔹 Key Components:

  • Relays:
    • Zettler AZ2150-1A-12DEF (250VAC switching)
    • MEDER MN2 D12-1A85
  • Capacitors:
    • ISKRA 900VDC / 275°C, marked KNB3114 B6
  • DC Input Channels:
    • PV1, PV2, PV3, PV4 — with MOV varistors and protective diodes
  • Connectors & Terminals:
    • BOOST1, BOOST2, GRP, +BULK, N.C, GP1, GP6
    • RS485, COMM interface ports
  • Cooling:
    • Integrated cooling fan for thermal management
  • Other Elements:
    • Ferrite core chokes and copper-wound inductors
    • Embedded grid switching relays and DC protection

🔹 Board Build & Condition:

  • Factory soldering — no signs of rework or overheating
  • Clean and professionally refurbished
  • All terminals and traces are intact and fully operational

✅ Key Benefits:

✔ Solves inverter errors: E013 / 013, E019 / 019, E023 / 023, E031 / 031, Riso Low
✔ Provides DC input filtering, grid relay control, and surge protection
✔ Suitable for inverter restoration, servicing, or part replacement
✔ Robust design with fan-assisted cooling and overvoltage shielding

🔗 Compatibility:

Aurora / ABB / Power-One inverters
PVI-3.6-OUTD
PVI-4.2-OUTD

📦 Includes: One Relay + Filter board with all mounted components and cooling fan
🏷️ Condition: Used & tested (refurbished)
⚖️ Weight: Approx. 1kg

🚀 Restore inverter performance and eliminate fault errors with this original ABB Aurora filter and relay board.

Aurora ABB Relay + Filter Board | For 3.6kW & 4.2kW Inverters | PN: 3G74-99-1 Pb-Free | Fixes E013, E019, E023, E031, Riso Low | Used, Tested

€200,00 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.