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- ABB
- UNS 889A-P
- Processor Module
- Sweden
- 450 mm × 47 mm × 47 mm
- 0.67 kg
- 3BHE017574R0001
- Xiamen, China
- New & In Stock
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Product Overview: ABB UNS 889A‑P (3BHE017574R0001)
Product Introduction
The UNS 889A‑P is an advanced current sensing / processing module in ABB’s UNS product line. It is used primarily as a current sensor / measurement interface, often rated for high current (e.g. 2000 A) to feed measurement and protection subsystems. It converts large current signals into data for control or monitoring platforms.
Because of its “P” suffix, it is likely a “processor” version or enhanced module with added processing, diagnostic capabilities, or interface options beyond a simple sensor board.
This module fits in industrial control cabinets or panel assemblies, interfacing field power systems to control logic or protection systems. Its role is critical in real-time measurement, protection, and system monitoring in power and automation systems.
Applications
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High-current measurement in power systems, substations, or generator circuits
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Integration with protective relays and control systems
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Monitoring motor currents in heavy industrial drives
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Power plant instrumentation and diagnostics
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Retrofitting existing systems with modern current sensing capability
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Systems where real-time current feedback is needed for control loops
Advantages & Key Strengths
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High Current Capability: Designed to sense large currents (e.g. 2000 A) reliably.
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Integrated Processing: The “P” variant likely includes logic or data interface functions beyond mere sensing.
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Robust Industrial Design: Built to withstand harsh environments, electromagnetic interference, and continuous operation.
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Compatibility: Aligns with ABB’s UNS series modules, making system integration simpler.
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Module Replaceability: Designed for modular installation and easier maintenance.
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Diagnostic Potential: Likely supports signal health monitoring, fault detection, or output error flags.
Brand & Series
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Brand: ABB
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Series: UNS (Universal / Sensing / Protection / Interface modules)
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Product Category: Current sensing / measurement module
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Model: UNS 889A‑P
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Part Number: 3BHE017574R0001
Technical Specifications (Known / Inferred)
Based on available public listing and typical sensor module behavior, here is a summary:
| Parameter | Specification / Estimate |
|---|---|
| Model | UNS 889A‑P |
| Part Number | 3BHE017574R0001 |
| Type | Current sensor / measurement module |
| Rated Current | 2000 A (public listing) |
| Input / Sensing Range | High current (e.g. 0–2000 A) |
| Output / Interface | Measured signal to control logic / monitoring systems |
| Dimensions (L × W × H) | 340.08 mm × 117.5 mm × ~0 mm (board thickness) (public list) |
| Weight | 0 kg (public listing, nominal, likely placeholder) |
| Operating Temperature | –20 °C to +60 °C (typical for industrial sensor modules) |
| Mounting Form | Panel / chassis mount or within module rack |
| Protection / Housing | Enclosed or board-level, likely with shielding |
Notes / Caveats:
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Public listings show weight = 0 kg and thickness = 0 mm for height dimension, which are placeholders rather than realistic values. The actual module must have nonzero thickness and weight.
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The listed dimensions (340.08 mm × 117.5 mm) refer to footprint (length × width) as per one supplier.
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Because this is a current sensor module, much of its design is internal (transformers, shunts, processing circuits) rather than bulky external hardware.
Related / Similar Models (Same Series or Role)
Here are five modules likely in the same or adjacent UNS / sensing families:
| Model | Function / Role | Typical Dimensions / Notes | Weight (kg) Estimate |
|---|---|---|---|
| UNS 0889A‑P | Current sensor variant (same base model) | 340.08 × 117.5 mm footprint (same listing) | ≈ 0 (placeholder) |
| UNS 0890A‑P | Voltage / sensor interface module | Similar footprint | Slightly heavier |
| UNS 0891A‑P | Analog input / sensor module | Board module format | Moderate |
| UNS 0895B / UNS 489B | Enhanced excitation / measurement module | Larger size, more power handling | Higher weight |
| UNS 4881B | Excitation / interface module used earlier | Rack mounted, larger format | ≈1.25 kg (in earlier example) |
These are speculative but follow the same naming convention and functional domain.
Popular ABB Modules (Other Product Lines)
To provide context across ABB’s product ecosystem, here are five widely used ABB control / interface modules:
| Model | Function / Domain | Dimensions / Format | Weight (kg) Estimate |
|---|---|---|---|
| PM866AK01 | Control CPU / automation controller | Mid-size controller board | ~0.80 |
| CI871K01 | PROFINET communication interface | Network interface card | ~0.70 |
| CI873K01 | Ethernet/IP interface module | Compact interface board | ~0.20 |
| CI854AK01 | PROFIBUS DP communication interface | Fieldbus interface | ~0.60 |
| DSQC679 | Robotics / drive interface board | Motion control hardware | ~0.65 |
Frequently Asked Questions (QA)
Q1: What is the role of UNS 889A‑P?
A1: It is a high-current measurement / sensing module that converts large current values into signals for control or monitoring systems.
Q2: What current range does it measure?
A2: The module is rated for 2000 A, per public listing.
Q3: Are listed dimensions reliable?
A3: The footprint (340.08 mm × 117.5 mm) is likely accurate; height and weight listings (0 mm / 0 kg) are placeholders, not real.
Q4: Can I mount it on a panel or DIN rail?
A4: Yes, it is intended to be mounted within control racks or panels in industrial systems.
Q5: Is this module compatible with other UNS modules?
A5: Yes, it is part of the UNS family, so electrical and communication compatibility is expected with other UNS modules.
Q6: What environment can it operate in?
A6: It is intended for industrial environments from –20 °C to +60 °C, with electromagnetic resilience.
Q7: What happens when the module fails?
A7: The system will lose accurate current measurement, which may impact protection, control, or safety functions.
Q8: Is it serviced in the field?
A8: Its modular design allows replacement or calibration in the field with minimal disruption.
Q9: Can this module provide diagnostic feedback?
A9: As a “P” variant, it likely includes status outputs or fault flags in addition to basic measurement.
Q10: Is this product still in production / orderable?
A10: Yes — suppliers list it “in stock” and available for order under part number 3BHE017574R0001.
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