Home > Electrical & Electronics > Relay & Contactor > Relay > ABB UNITROL 1000 (3BHE014557R0003) – Automatic Voltage Regulator for Reliable Synchronous Generator Control

ABB UNITROL 1000 (3BHE014557R0003) – Automatic Voltage Regulator for Reliable Synchronous Generator Control

ABB UNITROL 1000 (3BHE014557R0003) – Automatic Voltage Regulator for Reliable Synchronous Generator Control thumbnail-1
ABB UNITROL 1000 (3BHE014557R0003) – Automatic Voltage Regulator for Reliable Synchronous Generator Control thumbnail-2
ABB UNITROL 1000 (3BHE014557R0003) – Automatic Voltage Regulator for Reliable Synchronous Generator Control thumbnail-3
ABB UNITROL 1000 (3BHE014557R0003) – Automatic Voltage Regulator for Reliable Synchronous Generator Control thumbnail-4
ABB UNITROL 1000 (3BHE014557R0003) – Automatic Voltage Regulator for Reliable Synchronous Generator Control photo-1
ABB UNITROL 1000 (3BHE014557R0003) – Automatic Voltage Regulator for Reliable Synchronous Generator Control photo-2
ABB UNITROL 1000 (3BHE014557R0003) – Automatic Voltage Regulator for Reliable Synchronous Generator Control photo-3
ABB UNITROL 1000 (3BHE014557R0003) – Automatic Voltage Regulator for Reliable Synchronous Generator Control photo-4
US$ 6800.00 ≥1 Pallet
Key Specifications
Get Latest Price
I/O Number:
3BHE014557R0003
Place of Origin:
America
Application:
PLC Programming
Contact Supplier Request Quote Chat Now
Xiamen Xiongba E-commerce Co., LTD
Gold Verified Supplier
1Yr
Verified Business License
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.

Related Products

  • Product Details

  • Company Profile
  • Contact Us
I/O Number 3BHE014557R0003
Place of Origin America
Application PLC Programming
Communication Interface I/O Link
HS Code 9032.89
Order Placement Process & Guarantees

  • Warranty: 365 days

  • Lead time: 1 week if in stock; no more than 1 month at the latest

  • Payment terms: 50% advance payment; full payment before delivery

  • Express options: FedEx, UPS, DHL

We typically share a photos-before-ship check and basic functional inspection report. For replacement projects, we can help review your excitation scheme and wiring notes to reduce commissioning time on site.

Key Features

  • Digital AVR control – Stable generator terminal voltage regulation with fast, repeatable response.

  • Multiple operating modes – Voltage, power factor, and reactive power (VAR) control for grid-parallel or islanded sets.

  • Integrated limiters – Over/under excitation limiters and V/Hz supervision to protect the machine in most cases.

  • Soft start and field forcing – Smooth build-up after start, with short-term boost capability when the system needs it.

  • Event and alarm monitoring – Logged status and faults help maintenance teams pinpoint issues quickly.

  • Communications for SCADA – RS‑485 Modbus RTU and a local service port typically simplify integration and setup.

  • Compact, panel‑mount design – Fits standard switchboard layouts; clean wiring and clear terminal labelling.

  • Wide application compatibility – Works with brush and brushless excitation arrangements through appropriate interfacing.

Technical Specifications
Brand / Model ABB UNITROL 1000 – 3BHE014557R0003
HS Code 9032.89 (Automatic regulating or controlling instruments and apparatus)
Power Requirements 24 VDC nominal (typically 18…36 VDC),
Dimensions & Weight Compact panel-mount form factor; approx. 230 × 215 × 70 mm; ~1.8 kg (typical)
Operating Temperature -20…+70 °C; 5–95% RH non-condensing
Signal Input / Output Generator voltage sensing via PT; configurable analog I/O (0–10 V, 4–20 mA); digital inputs/outputs (24 VDC); relay contacts for alarms. DC field control through the excitation interface.
Communication Interfaces RS‑485 (Modbus RTU) for SCADA; local service/USB port for configuration
Installation Method Panel mounting inside a grounded control cabinet; front-access terminals for wiring and maintenance
Application Fields

- Industrial generator sets for manufacturing plants and utilities
   - CHP units and distributed energy resources with grid-parallel operation
   - Small hydro stations seeking stable voltage and reactive power control
   - Marine auxiliary generators and shore-parallel panels (where approved)
   - Data center backup systems that need fast, repeatable voltage build-up

One thing I appreciate is how quickly technicians get comfortable with parameter adjustments. A maintenance lead at a food processing site told us the parameter restore and simple alarm readouts cut their outage troubleshooting time by half during a planned switchover test.

D1F2A77952A7729F5FB225D562FE4249

Advantages & Value

  • Reliability – Proven ABB excitation algorithms help keep voltage steady under load transients.

  • Compatibility – Works with common PT/CT arrangements and standard SCADA links via RS‑485.

  • Lower commissioning effort – Clear default settings and guided setup typically shorten startup windows.

  • Serviceability – Event logs, simple diagnostics, and replaceable terminal blocks make life easier for field teams.

  • Total cost of ownership – Stable control reduces nuisance trips and reactive penalties, which in many cases pays back the upgrade quickly.

Installation & Maintenance

  • Cabinet & environment – Install in a clean, dry, grounded metal cabinet with adequate ventilation. Keep away from high‑EMI drives or route shielded cables.

  • Power & protection – Feed from a stable 24 VDC source; use proper fusing and transient suppression on the DC input.

  • Wiring – Use twisted, shielded pairs for PT/CT and communication lines; bond shields at a single point to avoid ground loops.

  • Safety – De-energize and lock out before accessing terminals. Verify field discharge paths when servicing excitation circuits.

  • Routine care – Periodically check terminal tightness, clean dust filters, review event logs, and back up parameters. Apply firmware updates when recommended by ABB.

  • Commissioning tips – Validate PT ratios, set voltage and reactive limits, and test mode switching (V/PF/VAR) with load steps to confirm stability.

Quality & Certifications

  • Conforms to CE requirements; RoHS compliant

  • UL/cUL considerations for control equipment (where applicable)

  • Manufactured under ISO 9001 quality systems

  • Standard warranty: 12 months (365 days)

Helpful Accessories & Pairings

  • 24 VDC industrial power supply with surge protection

  • PT/CT fusing blocks and terminal markers for clear maintenance

  • RS‑485 to USB adapter (if a PC lacks native serial) and shielded comms cable

  • Panel fan or filtered vent kit for cabinets in warm environments

If you’re replacing an older AVR or standardizing across multiple gensets, this UNITROL 1000 variant (3BHE014557R0003) seems to hit the sweet spot between functionality and simplicity. Share your current PT ratios, excitation arrangement (brush/brushless), and any SCADA protocol constraints, and we’ll double-check parameter defaults so your commissioning goes smoothly.

Product Tags: ABB UNITROL 1000 , UNITROL 1000 , 3BHE014557R0003

Send Inquiry to This Supplier

Message
0/5000

Want the best price? Post an RFQ now!
Xiamen Xiongba E-commerce Co., LTD
Gold Verified Supplier
1Yr
Verified Business License
Business Type
Trading Company
Year Established
2014
Annual Export Value
US$2.5 Million - US$5 Million
Total Employees
51 - 100 People
Contact Supplier Request Quote Chat Now

You May Also Like

Product Categories

Related Searches

Recommended Categories

Explore top categories and find suppliers for your specific needs
Contactor Contactor