Description
Overview
The 3BHE013940R0002 UNS0868B‑P,V2 power supply module is part of ABB’s UNITROL excitation platform, engineered to deliver stable and efficient DC power for control and excitation systems. This V2 revision incorporates updated circuitry and improved thermal performance, supporting long‑term reliability in demanding industrial environments.
Functional Characteristics
This module provides regulated DC output for UNITROL control electronics, ensuring consistent voltage levels even under fluctuating load conditions. Its compact mechanical design allows straightforward integration into existing DCS cabinets, reducing installation time and simplifying system upgrades.
The 3BHE013940R0002 UNS0868B‑P,V2 features high‑efficiency semiconductor components, contributing to reduced heat generation and improved energy utilization. Built‑in protection mechanisms—such as overload, short‑circuit, and overvoltage safeguards—enhance system resilience and minimize the risk of equipment failure.
With a wide operating temperature range and robust mechanical construction, the module is suitable for continuous operation in power generation, heavy‑industry, and utility environments.
Technical Specifications
| Parameter |
Value |
| Model / Part Number |
3BHE013940R0002 UNS0868B‑P,V2 |
| Product Type |
Power Supply Module |
| Manufacturer |
ABB |
| Product Series |
UNITROL Excitation Systems |
| System Compatibility |
DCS / UNITROL |
| Condition |
Brand New |
| Country of Origin |
Sweden |
| Weight |
0.72 kg |
| Dimensions |
8 × 19.6 × 6 cm |
| HS Code |
8537101190 |
| Efficiency |
Up to 97% |
| Operating Temperature |
−20°C to +70°C |
| Protection Features |
Overload, short‑circuit, overvoltage |
| Construction |
High‑efficiency semiconductor design |
| Availability |
In Stock |
| Minimum Order |
1 Unit |
| Operational Status |
Active |
Application Scenarios
-
Generator excitation systems
-
Power plant control cabinets
-
Industrial DCS power distribution
-
System modernization and UNITROL upgrades
-
Continuous‑operation automation environments
FAQ
Q: Is the V2 version backward‑compatible with earlier UNS0868B‑P models? Yes, the V2 revision is generally compatible, but system wiring and voltage requirements should be verified.
Q: Does the module require external protection devices? No. Integrated protection features cover typical fault conditions.
Q: Can this module operate in high‑temperature environments? Its −20°C to +70°C rating supports a wide range of industrial applications when installed in a properly ventilated cabinet.
