ABB UNITROL1010 3BHE035301R0001 UNS0121 Automatic Voltage Regulator – UNITROL Series

Technical Dossier

Product Details And Specifications

ABB UNITROL1010 3BHE035301R0001 UNS0121 – Supply Continuity Strategy for a Discontinued Excitation Controller

The ABB UNITROL1010 (part number 3BHE035301R0001, software variant UNS0121) is a compact automatic voltage regulator (AVR) and excitation controller designed for synchronous generators in power plants, industrial co-generation facilities, and marine propulsion systems. ABB has phased out this model from active production, making open-market sourcing the only viable path for maintenance teams managing legacy generator fleets.

Procurement Specifications

Q: How is condition confirmed before quotation?
A: Available condition, photos, test records and documentation are checked according to the requested model and sourcing channel before a formal RFQ response.

Q: How are RFQ terms confirmed?
A: Quantity, required condition, documentation needs, destination and sourcing route are confirmed during RFQ review before quotation.

Export Documentation: We provide complete export compliance documentation including commercial invoice, packing list, certificate of origin, and — where required — export license declarations. All shipments comply with applicable trade regulations for the destination country.

Multi-Currency Payment: We accept USD, EUR, CNY, HKD, and other major currencies. Wire transfer (T/T), PayPal, and trade finance arrangements are available for qualified buyers.

Global Logistics: Standard shipments are dispatched via DHL Express or FedEx International Priority. For bulk orders or freight-sensitive destinations, sea freight and air freight consolidation are available. Typical transit times: 3–7 business days to Europe and North America; 5–10 days to the Middle East, Africa, and Southeast Asia.

Packaging: Anti-static packaging with foam cushioning. Sensitive electronic components are humidity-sealed for long-distance transit.

Part Number Verification & Cross-Reference: Excitation controller part numbers are notoriously complex. Our technical team verifies compatibility between the ordered part number, the generator model, and the installed firmware version before dispatch review. This eliminates the costly mistake of receiving a functionally incompatible unit.

Q: Can you support multi-unit or repeat RFQ requests?
A: Yes. Send the model list, target quantity and destination so DRIVEKNMS can review sourcing options and quote the requirement as a project RFQ.