Description
Product Introduction & Engineering Value
When a vessel relies on decades-old automation hardware, the replacement strategy is usually not a complete redesign. It is keeping the existing control architecture alive with verified spare assemblies. The NABCO MCA-101-11 is a legacy PCB card intended for maintenance teams supporting existing NABCO marine systems.
This board is supplied through specialist automation spare channels as a PCB replacement unit. Identification accuracy matters because marine control cards often share similar mechanical formats while performing different electrical functions. The MCA-101-11 is commonly referenced with NABCO part number 885 73748386.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | NABCO |
| Model Number | MCA-101-11 |
| Part Number | 885 73748386 |
| Product Type | Printed Circuit Board Card |
| PCB Reference | SCS143C |
| Additional Markings | EVN / 15VABN / K68103-2 |
| Series | MCA Control PCB Series |
| Application Area | Marine automation and control electronics |
| Board Function | Control signal processing and interface operations |
| Installation Method | Existing control cabinet PCB mounting |
| Replacement Level | Individual board replacement |
| Available Conditions | New surplus, open-box, refurbished, tested used |
Field Application & The “Trench” Experience
A vessel operator maintaining an older NABCO automation installation began experiencing irregular control indications during routine operation checks. The system was still functional, but intermittent electronic behavior created uncertainty for the maintenance team.
The troubleshooting process moved from external wiring checks to the control electronics cabinet. After confirming the board identification and comparing the installed PCB markings, engineers matched the failed unit to an MCA-101-11 replacement. The spare board was inspected, installed, and tested during a planned maintenance period.
The existing automation design remained unchanged.
Typical application scenarios:
- Legacy marine control cabinet restoration
- Shipboard automation PCB replacement programs
- Bridge and machinery control system maintenance
- Critical spare inventory planning for discontinued NABCO electronics
MCA-101-11
MCA-101-11
Transparency SOP: QA & Testing
The MCA-101-11 should be handled as a critical electronic spare. Inspection before installation reduces unexpected commissioning issues.
Quality verification workflow:
1. Identification inspection
- Confirm NABCO manufacturer marking.
- Verify MCA-101-11 model designation.
- Match part number 885 73748386.
- Check PCB reference markings.
2. Physical condition review
- Inspect PCB surface.
- Check connectors and solder joints.
- Look for corrosion, contamination, or storage damage.
3. Electrical verification
- Perform applicable continuity and resistance checks.
- Inspect power-related circuits.
- Compare with known-good references when available.
4. Storage preparation
- Apply ESD-safe packaging.
- Record inspection results.
- Maintain traceable inventory information.
The Veteran’s Tech Trap Guide
⚠️ Do not order this board using only “MCA-101.”
The suffix is critical. Similar MCA-series boards may not share the same control function.
⚠️ Verify all identification labels.
Confirm , 885 73748386, and PCB markings before installation. A mismatch can create difficult troubleshooting situations.
⚠️ PRO TIP: Record jumper and connector positions before removal.
Legacy systems often depend on physical configuration details that are not fully documented.
⚠️ Avoid installing unverified stored boards directly into active equipment.
Long storage periods can affect connectors, contacts, and electronic components.
Dynamic FAQ
Q1. What is the NABCO ?
The NABCO is a marine control PCB card used in legacy NABCO automation equipment. It is identified with part number 885 73748386.
Q2. What is the part number for ?
The commonly listed NABCO part number is 885 73748386. Additional board markings include SCS143C, EVN, 15VABN, and K68103-2.
Q3. Can replace other NABCO MCA-series boards?
Not automatically. MCA-series boards may have different electrical functions, revisions, or system roles. Compatibility must be verified against the installed equipment.
Q4. Is a refurbished suitable for marine applications?
A refurbished board can be suitable when it has completed visual inspection, electrical checks, and compatibility verification before commissioning.
Q5. What information should buyers provide when sourcing this PCB?
Recommended details:
- NABCO model number
- Part number 885 73748386
- PCB markings
- Existing system model
- Required condition: new surplus, refurbished, or tested used
Q6. How should the be stored?
Store the PCB in anti-static packaging, maintain a dry environment, protect it from contaminants, and perform periodic inspections before emergency deployment.
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