Description

The ALSTOM CMU 42015-115-00 is a high-integrity control and protection module developed by ALSTOM (now part of GE Grid Solutions) as a key component within the MiCOM series of digital protective relays. Specifically designed for use in the MiCOM C60 multifunction protection relay platform, the ALSTOM CMU 42015-115-00 serves as the central processing unit responsible for executing complex protection algorithms, monitoring system health, and managing communication with SCADA and control systems. This module is engineered for deployment in medium to high-voltage electrical networks where reliability, speed, and accuracy in fault detection are critical.

As an essential part of modern power system protection schemes, the ALSTOM CMU 42015-115-00 integrates advanced digital signal processing with robust IEC 61850 communication capabilities, enabling seamless interoperability in smart grid environments. It supports a wide range of protection functions including overcurrent, earth fault, differential, and distance protection, making it suitable for transformer, feeder, busbar, and motor applications. The ALSTOM CMU 42015-115-00 is built to withstand harsh electromagnetic and thermal conditions typical of industrial and utility substations, ensuring continuous operation even under extreme stress. Its modular design allows for easy replacement and system upgrades, minimizing downtime during maintenance or retrofit projects.

ALSTOM CMU 42015-115-00

Technical Specifications

Main Features and Advantages

The ALSTOM CMU 42015-115-00 delivers exceptional performance in power system protection, combining high-speed processing with advanced communication and diagnostic capabilities. As the intelligence core of the MiCOM C60 relay, the ALSTOM CMU 42015-115-00 enables ultra-fast fault detection and tripping decisions, typically within milliseconds, which is crucial for preventing equipment damage and maintaining grid stability. Its dual Ethernet ports support redundant IEC 61850 GOOSE messaging, ensuring reliable peer-to-peer communication in digital substations without single points of failure.

One of the standout features of the ALSTOM CMU 42015-115-00 is its compliance with IEC 61850 standards, allowing seamless integration into modern SCADA and substation automation systems. This enables efficient data exchange, remote configuration, and real-time monitoring through tools like SICAM or third-party engineering software. The module supports extensive self-diagnostics, continuously monitoring internal hardware health, communication status, and power supply integrity, alerting operators to potential issues before they escalate.

The ALSTOM CMU 42015-115-00 is also highly flexible, supporting a wide range of protection functions that can be customized via configuration software such as MiCOM S1 Studio. Its universal power supply input (24–250 VDC / 100–240 VAC) makes it suitable for global deployment across diverse utility and industrial networks. Designed for long-term reliability, the ALSTOM CMU 42015-115-00 is built with high-quality components and conformal coating to resist moisture, dust, and corrosion. Its modular architecture ensures easy field replacement, reducing maintenance time and improving system availability. The ALSTOM CMU 42015-115-00 is not just a control module—it’s a cornerstone of intelligent, resilient, and future-ready power protection systems.

Application Field

The ALSTOM CMU 42015-115-00 is primarily deployed in electrical power transmission and distribution networks where dependable protection and control are mission-critical. It is extensively used in utility substations to protect medium-voltage feeders, transformers, and busbars, ensuring rapid isolation of faults to prevent cascading outages and equipment damage. The ALSTOM CMU 42015-115-00 is a key component in the MiCOM C60 relay, which is widely adopted in both greenfield installations and legacy system upgrades across Europe, Asia, and the Americas.

In industrial power systems, the ALSTOM CMU 42015-115-00 provides comprehensive protection for large motors, generators, and switchgear in sectors such as oil & gas, mining, and manufacturing. Its ability to perform differential protection and harmonic analysis makes it ideal for safeguarding expensive rotating machinery from thermal overload and electrical imbalances. The ALSTOM CMU 42015-115-00 is also utilized in renewable energy installations, including wind farms and solar parks, where it ensures grid code compliance and protects step-up transformers and interconnection points.

Railway traction substations benefit from the ALSTOM CMU 42015-115-00’s fast response time and immunity to electrical noise, providing reliable protection for overhead catenary systems and rectifier units. Additionally, the ALSTOM CMU 42015-115-00 supports automation functions such as auto-reclosing and load shedding, enhancing system resilience. With its IEC 61850 compliance, the ALSTOM CMU 42015-115-00 is perfectly suited for smart grid applications, enabling real-time data exchange, remote operation, and predictive maintenance. Its proven track record in critical infrastructure makes the ALSTOM CMU 42015-115-00 a trusted choice for engineers and utilities worldwide.

ALSTOM CMU 42015-115-00

Related Products

ALSTOM CMU 42015-114-00 – A similar control module variant within the MiCOM C60 series, differing in firmware configuration or communication options; often used in legacy or region-specific deployments.
ALSTOM C60 Relay Chassis – The main enclosure that houses the ALSTOM CMU 42015-115-00, providing power, I/O connectivity, and mechanical mounting.
ALSTOM ICD 42015-120-00 – Input/Output expansion module compatible with the MiCOM C60, used alongside the ALSTOM CMU 42015-115-00 for additional digital inputs and outputs.
ALSTOM PSU 42015-110-00 – Dedicated power supply unit designed to provide stable voltage to the ALSTOM CMU 42015-115-00 and associated modules.
ALSTOM COM 42015-116-00 – Communication interface module that enhances the ALSTOM CMU 42015-115-00 with additional serial or fiber-optic ports.
GE MiCOM C60 – The full protective relay system in which the ALSTOM CMU 42015-115-00 is integrated, now marketed under GE Grid Solutions.
ALSTOM MiCOM S1 Studio – Configuration and diagnostic software used to program and monitor the ALSTOM CMU 42015-115-00.
ALSTOM CMU 42015-117-00 – An upgraded or alternative control module with enhanced processing or communication features for advanced applications.