Mitsubishi A54GA5.5B BC186A437G52 Drive Board | Replacement, Equivalent & Selection Guide
The Mitsubishi A54GA5.5B BC186A437G52 is an OEM drive board used in Mitsubishi Electric servo and inverter drive systems. This page provides full technical specifications, compatible replacement models, application scenarios, and a structured selection guide to help engineers and procurement teams make confident sourcing decisions.
Technical Specifications
| Part Number | A54GA5.5B |
| Board Reference | BC186A437G52 |
| Manufacturer | Mitsubishi Electric |
| Component Type | Drive Board / Power Drive PCB |
| Series | Mitsubishi A-Series Drive |
| Weight | Approx. 400 g |
| Condition | New / Refurbished / Tested Available |
| Origin | Japan |
Compatible Replacement & Equivalent Models
When the original A54GA5.5B BC186A437G52 is unavailable or discontinued, the following models may serve as functional equivalents depending on your drive system configuration. Always verify electrical ratings and connector pinouts before substitution.
- Mitsubishi BC186A437G51 – Earlier revision; functionally similar, verify firmware compatibility
- Mitsubishi BC186A437G53 – Later revision; may require updated drive firmware
- Mitsubishi A54GA5.5A – Predecessor variant; confirm voltage and current ratings match
- Third-party OEM equivalents – Available upon request; tested and certified to OEM spec
Contact our technical team at support@konmask.com for cross-reference verification before ordering.
Why Choose the Original Model
- ✅ OEM-grade reliability – Designed and tested to Mitsubishi Electric factory standards
- ✅ Plug-and-play compatibility – Direct fit for supported drive chassis; no firmware modification required
- ✅ Traceability – Full lot traceability and quality documentation available
- ✅ Reduced downtime risk – Eliminates integration uncertainty vs. aftermarket alternatives
- ✅ Warranty support – Eligible for Mitsubishi Electric service and warranty programs
Typical Applications
- Mitsubishi servo amplifier drive systems (A-Series)
- CNC machine tool spindle and axis drive control
- Industrial robot joint drive modules
- Automated production line motor control panels
- Elevator and crane drive system maintenance
- Injection molding machine servo drives
System Compatibility
The A54GA5.5B BC186A437G52 drive board is designed for use within Mitsubishi Electric A-Series drive platforms. Confirm compatibility with your specific drive chassis model before installation. Key compatibility checkpoints:
- Drive chassis model and revision level
- Input voltage range (200V / 400V class)
- Output current rating (5.5 kW class)
- Control interface type (analog / pulse / network)
- Cooling method (forced air / natural convection)
Selection Guide
Use the following decision framework to select the correct drive board for your application:
- Identify your drive chassis model – Check the nameplate on your existing Mitsubishi drive unit.
- Confirm the board reference code – The BC186A437G52 code identifies the exact PCB revision; do not substitute without cross-referencing.
- Check power class – A54GA5.5B indicates a 5.5 kW power class; ensure your application load matches.
- Verify interface requirements – Confirm signal connector types and communication protocols.
- Contact Konmask for alternatives – If the original is unavailable, our engineers can recommend tested equivalents.
Quality Assurance & Sourcing
- 🔍 100% functional testing before shipment
- 📦 Anti-static, moisture-proof packaging for safe transit
- 📋 Certificate of conformance available on request
- 🏭 Sourced from authorized distributors and verified surplus channels
- 🌐 Ships worldwide from our warehouse in China
How to Order
- Add to cart directly on this page, or
- Contact us for bulk pricing, lead time, or custom sourcing:
- 📧 support@konmask.com
- 📞 +0086 19859288691
- 🌐 https://konmask.com
- Provide your drive chassis model and application details for technical confirmation.
Replacement & Compatibility FAQ
Q: Can I use BC186A437G51 instead of BC186A437G52?
A: Possibly. The G51 is an earlier revision. Functional compatibility depends on your drive firmware version. Contact us for a verified cross-reference.
Q: Is this board suitable for 400V class drives?
A: The A54GA5.5B designation covers specific voltage classes. Please confirm your drive nameplate voltage before ordering.
Q: Do you offer repair services for faulty A54GA5.5B boards?
A: Yes. We offer board-level repair and testing services. Contact support@konmask.com for a repair quote.
Q: What is the lead time for this part?
A: In-stock items ship within 1–3 business days. Out-of-stock items typically have a 2–4 week lead time. Contact us for current availability.
Q: Can you supply a certificate of conformance?
A: Yes. CoC documentation is available upon request for all orders.
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Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691
