Mitsubishi MC413A-2 (BN624A829G51) Memory Module | Replacement, Equivalent & Selection Guide
The Mitsubishi MC413A-2 (part number BN624A829G51) is an industrial-grade RAM memory module designed for Mitsubishi MELSEC programmable logic controllers. This page provides full technical specifications, compatible replacement options, and a structured selection guide to help engineers and procurement teams make confident sourcing decisions.
Technical Specifications
| Parameter | Value |
|---|---|
| Model Number | MC413A-2 |
| Part / Reference Number | BN624A829G51 |
| Manufacturer | Mitsubishi Electric |
| Module Type | RAM Memory Module |
| Compatible PLC Series | Mitsubishi MELSEC (A-Series / Q-Series compatible variants) |
| Form Factor | Plug-in card module |
| Weight | Approx. 4.46 kg (packaged) |
| Country of Origin | Japan |
| Condition | New / Refurbished / Tested available |
Compatible Replacement & Equivalent Models
The following models are commonly referenced as functional equivalents or drop-in replacements for the MC413A-2. Always verify electrical and firmware compatibility before substitution:
- Mitsubishi MC413A-1 — Earlier revision; same form factor, verify firmware version
- Mitsubishi MC413A-3 — Later revision with potential capacity upgrade
- Mitsubishi BN624A829G52 — Alternative part number variant in same family
- Mitsubishi A3NMCA-8 / A3NMCA-16 — MELSEC A-Series memory cassettes (capacity-dependent substitution)
- Third-party compatible RAM cards — Available for select MELSEC platforms; consult Konmask for verified cross-reference
Note: Konmask.com stocks original Mitsubishi parts. Contact us for cross-reference verification before ordering a replacement.
Why Choose the Original MC413A-2
- ✅ OEM-guaranteed compatibility — engineered specifically for Mitsubishi MELSEC controllers
- ✅ Data retention reliability — battery-backed RAM ensures program integrity during power loss
- ✅ Stable long-term supply — sourced directly from authorized channels and verified distributors
- ✅ Reduced integration risk — no firmware conflicts or undocumented behavior vs. third-party alternatives
- ✅ Traceable provenance — full documentation and test records available on request
Typical Applications
- Program storage and backup for Mitsubishi MELSEC PLC systems
- Automotive manufacturing lines and robotic welding cells
- Food & beverage processing and packaging automation
- Semiconductor and electronics assembly equipment
- Water treatment and utility SCADA systems
- Spare parts inventory for legacy A-Series PLC installations
System Compatibility
The MC413A-2 / BN624A829G51 is designed for use within the Mitsubishi MELSEC A-Series PLC platform. Confirmed compatible base units and CPU modules include:
- Mitsubishi A2USCPU / A2USHCPU
- Mitsubishi A3UCPU
- Mitsubishi A1SCPU / A1SHCPU
- Other A-Series CPUs supporting plug-in memory cassette format
Not compatible with: Q-Series, iQ-R Series, or FX-Series PLCs without an adapter. Contact Konmask for cross-series migration guidance.
Selection Guide
Use the following criteria to confirm the MC413A-2 is the right module for your application:
- Identify your PLC CPU model — confirm it accepts the MC413A-2 cassette form factor
- Check memory capacity requirements — verify program size fits within module capacity
- Confirm revision compatibility — match hardware revision to your CPU firmware version
- Assess battery status — RAM modules require periodic battery replacement; factor into maintenance schedule
- Evaluate new vs. refurbished — Konmask offers both; refurbished units include full functional testing
Still unsure? Email our engineers with your CPU model and we’ll confirm compatibility within 24 hours.
Quality Assurance & Sourcing
All MC413A-2 units sold through Konmask.com undergo the following before shipment:
- Visual inspection for physical damage and connector integrity
- Functional power-on test and memory read/write verification
- Anti-static packaging with humidity indicator card
- Optional: Certificate of Conformance (CoC) and test report on request
We source exclusively from authorized distributors, OEM surplus channels, and verified industrial resellers. Counterfeit-free guarantee backed by our sourcing policy.
How to Order
- Add the MC413A-2 to your cart and proceed to checkout
- For bulk orders (5+ units), contact us for volume pricing
- Lead time: In-stock units ship within 1–3 business days; out-of-stock sourcing typically 7–21 days
- Payment: T/T bank transfer, PayPal, and major credit cards accepted
- Export documentation (commercial invoice, packing list, CoO) provided for international orders
Replacement & Compatibility FAQ
Q: Can the MC413A-2 replace the MC413A-1?
A: In most cases yes, as they share the same form factor. However, verify that your CPU firmware supports the revision. Contact us for a compatibility check.
Q: Is the BN624A829G51 the same as the MC413A-2?
A: Yes. BN624A829G51 is Mitsubishi’s internal reference/part number for the MC413A-2 memory module.
Q: Do you offer a warranty?
A: Yes — 12-month warranty on new units, 90-day warranty on tested refurbished units.
Q: Can this module be used in a Q-Series PLC?
A: No. The MC413A-2 is designed for A-Series PLCs. Q-Series uses a different memory card format. Contact us for Q-Series alternatives.
Q: What happens to stored data if the battery dies?
A: RAM content will be lost on power cycle if the backup battery is depleted. Always replace the battery per Mitsubishi’s maintenance schedule.
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