Product Details
Part Number Breakdown:
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UNS 0882A-P – Hardware identifier: Universal Signal, Primary unit
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V1 – Hardware version 1
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3BHB006309R0001 – ABB ordering part number
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Standby Counterpart – 3BHB006310R0001 (UNS0882A-S)
Related Product Model Recommendations
Payment & Delivery
FAQs
Q1: What is the primary function of the UNS 0882A-P V1?
It is a Power Signal Interface (PSI) board that performs three concurrent functions: (1) power filtering & regulation – cleaning the incoming 24V DC supply to remove ripple and surge before presenting it to the backplane; (2) signal isolation & level conversion – buffering and isolating control/feedback signals with ≥1500V AC isolation to cut ground loops; (3) redundant presence signaling – handshaking with the Standby PSI so the system knows which unit is alive and can trigger bumpless switchover .
Q2: What does the “P” designation mean?
The “P” stands for Primary. It indicates this is the active unit in ABB’s 1+1 redundant PSI architecture, paired with the UNS0882A-S (Standby, 3BHB006310R0001). If the Primary fails, the Standby takes over seamlessly .
Q3: Which ABB systems is this module compatible with?
Based on available documentation, it is compatible with UNITROL 5000 excitation systems (primary deployment), AC 800M, and Advant 800xA DCS platforms, where it acts as the power-and-signal bridge between the PSU and rack backplane .
Q4: What are the physical dimensions and weight?
The module measures 305 × 150 × 60 mm (L × W × H) and weighs approximately 0.04 kg — an ultra-compact form factor designed for seamless integration into standard industrial control cabinets .
Q5: Is this module still available for purchase?
Yes, it is a mature/active product available through aftermarket suppliers and surplus stock. Various distributors list it as “New with Original Package” with 12-month warranties . Buyers should confirm compatibility with their specific system configuration (UNITROL 5000 vs. AC 800M) before ordering, as the 3BHB006309R0001 part number serves dual roles across different ABB platforms.
