Industrial Automation Solution – Mitsubishi Electric BC386A504G51A | MELSEC-A Series
Where This Product Is Used
The Mitsubishi BC386A504G51A is a CPU base motherboard designed for the MELSEC-A Series programmable logic controller (PLC) platform. It is widely deployed in:
- Automotive manufacturing lines – body welding, paint shop conveyors, and assembly robots
- Steel & metal processing plants – rolling mill control, furnace temperature regulation, and coil handling
- Chemical & petrochemical facilities – batch process control, reactor sequencing, and safety interlock systems
- Food & beverage production – filling lines, pasteurization control, and packaging automation
- Water treatment & utilities – pump station control, SCADA integration, and remote I/O management
- Semiconductor fab equipment – wafer handling, cleanroom HVAC, and process gas control
Technical Specifications
| Part Number | BC386A504G51A |
| Manufacturer | Mitsubishi Electric |
| Series | MELSEC-A |
| Module Type | CPU Base Motherboard |
| Form Factor | Backplane / Base Unit |
| Compatible CPU Modules | A-Series CPU (A2A, A3A, A2AS, A3AS, etc.) |
| Weight | 2,000 g (approx.) |
| Condition | New / Refurbished (tested) |
| Warranty | 90-day functional warranty |
Why Engineers Specify This Model
- Proven MELSEC-A platform reliability – decades of field-proven performance in harsh industrial environments
- Direct drop-in replacement – maintains backward compatibility with existing A-Series I/O modules and wiring
- Minimizes downtime – sourcing a genuine BC386A504G51A avoids costly re-engineering of legacy control panels
- Rigorous pre-shipment testing – each unit is powered-on and functionally verified before dispatch
- Genuine OEM component – not a clone or third-party substitute; full Mitsubishi Electric provenance
Complete System Bill of Materials
For a fully operational MELSEC-A control system, engineers typically pair the BC386A504G51A with:
- Mitsubishi A-Series CPU module (e.g., A2ACPU, A3ACPU)
- Mitsubishi A-Series digital input modules (AX40, AX80)
- Mitsubishi A-Series digital output modules (AY40, AY80)
- Mitsubishi A-Series analog I/O modules (AD61, DA62)
- Mitsubishi A-Series power supply unit (A61P, A62P)
- GX Developer or GX Works2 programming software
Contact support@konmask.com for bundle pricing on complete system builds.
Compliance & Industry Standards
- Designed and manufactured under ISO 9001 quality management system
- Compliant with IEC 61131-2 programmable controller hardware requirements
- Meets CE marking requirements for industrial machinery directive
- RoHS-compliant manufacturing process
Quality Assurance & Sourcing
Konmask.com specializes in genuine, traceable industrial automation components. Every BC386A504G51A unit we supply undergoes:
- Visual inspection for physical damage, corrosion, and counterfeit indicators
- Power-on functional test under controlled conditions
- Anti-static packaging and secure export-grade carton shipping
- Photographic documentation available on request
We source directly from authorized distributors, OEM overstock, and decommissioned plant equipment with full traceability records.
How to Source This Part
- Click Add to Cart or Buy Now to place your order online.
- For bulk orders (>3 units) or urgent requirements, email support@konmask.com for a dedicated quote within 4 business hours.
- International buyers: we ship DDP/DAP worldwide via DHL Express, FedEx, and UPS. Export documentation (commercial invoice, packing list, CO) provided.
- Lead time: in-stock units ship within 1–2 business days. Out-of-stock inquiries handled within 24 hours.
Application-Specific FAQ
Q: Is the BC386A504G51A compatible with MELSEC-Q Series modules?
A: No. The BC386A504G51A is designed exclusively for the MELSEC-A Series platform. It is not cross-compatible with Q, L, or iQ-R Series modules.
Q: Can I use GX Works3 to program a system built on this motherboard?
A: No. A-Series CPUs require GX Developer or GX Works2. GX Works3 does not support legacy A-Series CPUs.
Q: Do you provide a test report with the unit?
A: Yes. A functional test report is available upon request at no additional charge. Please note this in your order comments or email us after purchase.
Q: What is the lead time for out-of-stock units?
A: Typical sourcing lead time is 5–15 business days depending on global availability. Contact us for real-time stock status.
Q: Can this board be repaired if damaged?
A: Board-level repair is possible for certain fault types. Contact our technical team with a fault description for a repair feasibility assessment.
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