Alstom MPM123 Measurement & Protection Module – MiCOM Grid Automation Series
When a critical measurement or protection module fails in a substation or power distribution network, the consequences extend far beyond a single tripped breaker. Without a functioning MPM123, protection relay systems lose their ability to accurately measure electrical parameters and execute protective actions — exposing transformers, busbars, and downstream equipment to fault currents, overvoltage events, and cascading failures. Every minute of unplanned downtime in a high-voltage environment carries significant operational and financial risk.
The Alstom MPM123 is a dedicated Measurement and Protection Module engineered for integration within Alstom’s MiCOM grid automation platform. Positioned as a core functional card within the MiCOM relay family, the MPM123 handles real-time acquisition of electrical quantities and feeds protection algorithms that safeguard transmission and distribution infrastructure worldwide. Its deployment spans utilities, industrial power plants, and renewable energy substations across Europe, Asia, and the Middle East — making it one of the most widely referenced protection modules in the global grid automation market.
Technical Specifications
- Model / SKU: MPM123
- Brand: Alstom (now GE Grid Solutions / GE Vernova)
- Series: MiCOM Grid Automation Platform
- Module Type: Measurement and Protection Module
- Form Factor: Plug-in card module for MiCOM relay chassis
- Application: Transmission & Distribution Protection, Substation Automation
- Compatibility: MiCOM P Series relay platforms
- Condition Available: New, Refurbished, Tested Used
Note: Detailed electrical specifications (rated current, voltage input range, accuracy class, etc.) vary by relay host platform. Please provide your system model when requesting a quote for full compatibility confirmation.
Key Features & Benefits
- Real-Time Measurement Accuracy: Captures current, voltage, power, and frequency parameters with high precision to support reliable protection decision-making.
- Seamless MiCOM Integration: Designed as a native plug-in module for MiCOM relay chassis — no signal conditioning adapters required.
- Fast Fault Response: Supports rapid protection algorithm execution to minimize fault clearance time and reduce equipment stress.
- Proven Field Reliability: Deployed in utility-grade substations globally, with a track record in demanding high-voltage environments.
- Compact Modular Design: Enables targeted replacement without full relay unit changeout, reducing maintenance cost and downtime.
- Long Service Life: Built to industrial-grade standards for continuous operation in substation environments.
Industry & Equipment Applications
- High-voltage and medium-voltage substation protection systems
- Transmission line differential and distance protection schemes
- Transformer and busbar protection panels
- Industrial power plant distribution switchgear
- Renewable energy (wind farm, solar plant) grid connection protection
- Railway traction power supply protection systems
System Integration & Compatible Parts
The MPM123 is designed for use within Alstom MiCOM relay platforms. Compatible system components typically include:
- MiCOM P Series protection relays (P40, P140, P240, P340, P440 families)
- MiCOM S1 Agile configuration and settings software
- MiCOM C264 substation controller
- IEC 61850 communication modules for SCADA integration
- Alstom MiCOM power supply and I/O expansion modules
If you are unsure whether the MPM123 is compatible with your specific relay chassis revision, our technical team can assist with cross-referencing before purchase.
Our Quality Assurance Process
- Source Verification: All modules are sourced from verified industrial suppliers, OEM channels, or decommissioned utility projects with documented service history.
- Visual & Functional Inspection: Each unit undergoes physical inspection for component integrity, connector condition, and board cleanliness.
- Functional Testing: Where applicable, modules are bench-tested to confirm basic operational status prior to shipment.
- Secure Packaging: Anti-static packaging with foam cushioning to prevent transit damage to sensitive electronics.
- Documentation: Test reports and condition certificates available upon request for refurbished units.
How to Order
- Submit an inquiry via the Contact / Request a Quote form on this page.
- Provide your relay chassis model, firmware version (if known), and required quantity.
- Our technical team will confirm compatibility and provide a formal quotation within 1 business day.
- Upon order confirmation, we arrange export documentation and international shipping to your destination.
We support EXW, FOB, and CIF Incoterms. Payment via T/T bank transfer or as agreed.
Why Choose Konmask.com?
- Industrial Automation Specialists: We focus exclusively on PLC, DCS, and protection relay components — not a general electronics marketplace.
- Global B2B Supply: Serving engineering firms, EPCs, utilities, and MRO teams across 40+ countries.
- Technical Pre-Sales Support: Our team includes engineers who understand relay protection systems — not just part numbers.
- Competitive Lead Times: Extensive supplier network enables faster sourcing for obsolete and hard-to-find modules.
- Transparent Condition Grading: We clearly state whether a part is new, refurbished, or tested-used — no ambiguity.
Frequently Asked Questions
Q: Is the Alstom MPM123 still in production?
A: Alstom’s grid automation business has transitioned to GE Grid Solutions (now GE Vernova). The MPM123 may be available as a spare part through authorized channels or the secondary market. Contact us to check current stock availability.
Q: Can the MPM123 be used as a direct replacement in an existing MiCOM relay?
A: In most cases, yes — provided the host relay chassis and firmware revision are compatible. We recommend confirming the relay model and hardware revision before ordering.
Q: Do you provide a warranty on refurbished MPM123 modules?
A: Yes. Refurbished units carry a 90-day functional warranty. Terms are confirmed in the sales quotation.
Q: What is the typical lead time for the MPM123?
A: Lead time depends on stock availability. In-stock units ship within 3–5 business days. Sourced units typically require 7–21 business days. We will confirm at the time of quotation.
Q: Can you supply multiple units for a substation retrofit project?
A: Yes. We regularly supply bulk quantities for utility and EPC project requirements. Volume pricing is available — please include your project quantity in your inquiry.
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