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ALSTOM LE109A-1 Power System Control Module

Technical Specifications:
  • Input/Output Channels: Equipped with multiple digital and analog I/O channels for connecting sensors, actuators, and other control devices.
    • Digital I/O: 4 channels, configurable as inputs or outputs (e.g., incremental encoders, SSI transmitters).
    • Voltage Supply: 24 V DC (18–36 V DC range), compliant with SELV standards (DIN EN 60950-1).
    • Current Consumption: 0.3 A (idle); 2 A (all digital outputs active).
  • Sensor Interfaces:
    • Incremental Encoder: Supports standard, pulse train, and frequency measurement modes (max. 8 MHz pulse frequency).
    • SSI Transmitter: Configurable as master or slave, with gray/binary code data formats (8–32 bits) and transmission frequencies of 78 kHz–5 MHz.
    • Wire Fault Monitoring: Detects input errors and protects against 24 V faults.
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Alstom MAE99-04

Product Introduction:​
The Alstom MAE99-04 is a dedicated serial communication isolation module used in Alstom (now GE Grid Solutions) protection & control systems — e.g., MiCOM P-series relay rear-interface or excitation/DCS communication cabinets. It provides eight independent galvanically isolated RS-232 / RS-485 channels to break ground loops and protect control system ports from surge or common-mode voltage in power plant and railway signalling environments.
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Alstom Micom P40 AGILE MICOM P141

Technical Specifications:
  • Micom P40 Agile:
    • Rated Voltage: Suitable for various voltage levels depending on application requirements
    • Operating Frequency: 50/60 Hz
    • Power Supply: Typically operates with a wide range of input voltages
    • Operating Temperature: From -25°C to +70°C
    • Dimensions (WxHxD): Compact design suitable for installation in switchgear cabinets
    • Communication Protocols: Supports IEC 61850, Modbus, DNP3, etc.
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ALSTOM MMLG01

Product Name
MMLG standard protective-relay test block for CT/VT circuit isolation, monitoring and secondary injection testing.
Product Introduction
MMLG01 is an ALSTOM/GE Grid Solutions test block used with protective relay systems. It provides a safe interface between relay terminals and test equipment so technicians can monitor, isolate and inject signals without disturbing permanent panel wiring. When used with the compatible multi-finger test plug, the block supports relay commissioning, routine testing and fault simulation.
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ALSTOM MVAJ101RB0800A

Product Name:​ MVAJ Series Auxiliary Tripping & Control Relay (Hinged Armature Type)
  • Brief Introduction:​ A heavy-duty auxiliary relay from the ALSTOM (now GE Grid Solutions) MVAJ family, used as a tripping relay, seal-in relay, or control interface between protective relays and circuit-breaker trip coils. The MVAJ101 variant is a single trip/control relay in a compact case.
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ALSTOM MVAX91W1DD0754A

Brief Introduction:​ Part of ALSTOM's MVAX (now GE Grid Solutions MiCOM auxiliary/numerical relay line), the MVAX91 is typically a trip-circuit supervision relay or a multifunction numerical protection relay used to monitor the integrity of the circuit-breaker trip circuit and provide auxiliary protection functions in HV/MV substations.
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ALSTOM N895313512X Industrial Control Module

Technical Specifications:
  • Input/Output (I/O) Configuration:
    • Supports up to 62 analog/digital I/O channels (standard configuration).
    • Expandable to 1,024 I/O channels via local or remote extension modules (up to 1,000 m distance).
    • Includes 30 digital inputs (2 for axis encoders), 2 analog inputs, 28 digital outputs, and 2 high-speed digital outputs.
  • Communication Interfaces:
    • Ethernet and serial ports for seamless integration with PLCs, sensors, and control systems.
    • Supports Profibus, Foundation FieldBus, and other industrial protocols.
  • Power Requirements:
    • Operating voltage: 220 V AC/DC.
    • Power consumption: 250 W.
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ALSTOM N897164610L Control and Protection Module

echnical Specifications:
  • Voltage Rating: Supports a wide range of operating voltages, typically compatible with medium-voltage (MV) and high-voltage (HV) systems.
  • Current Rating: Designed to handle high current levels, ensuring robust performance in demanding industrial environments.
  • Communication Protocols: Supports standard industrial communication protocols such as Modbus, IEC 61850, and Profibus for seamless integration with SCADA systems and other control devices.
  • Input/Output (I/O) Channels: Equipped with multiple digital and analog I/O channels for connecting sensors, actuators, and other field devices.
  • Protection Functions: Includes overcurrent, overvoltage, undervoltage, differential, and distance protection capabilities.
  • Environmental Resistance: Operates reliably in temperatures ranging from -20°C to +70°C and is resistant to humidity, dust, and vibration.
  • Physical Dimensions: Compact and rugged design suitable for installation in control panels or outdoor enclosures.
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ALSTOM N897164611M Industrial Control Module

Technical Specifications:
  • Input/Output (I/O) Channels: Supports multiple digital and analog I/O channels for connecting sensors, actuators, and other field devices.
  • Communication Protocols: Compatible with Modbus, Profibus, and IEC 61850 for seamless integration with SCADA systems and industrial networks.
  • Ethernet Connectivity: Optional Ethernet port for high-speed data transmission and remote configuration.
  • Auto-Calibration: Features automatic verification and calibration for unattended or remote operation.
  • Fault Logging: Maintains a history of faults and calibration records for diagnostic purposes.
  • Relay Functions: Provides NAMUR-compliant relay outputs for transmitting alarm levels and maintenance messages.
  • Environmental Resistance: Operates in temperatures ranging from -20°C to +70°C and is resistant to humidity, dust, and vibration.
  • Physical Dimensions: Compact and rugged design suitable for installation in control panels or outdoor enclosures.
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ALSTOM NRD108031

Product Introduction:
Legacy Alstom digital-input slice for Turbo Generator Protection and Alspa process racks. Marked TRVC070999000 BOTTOM in spare catalogs, indicating bottom-position backplane/board variant. Collects dry/wet contacts from breakers, limit switches, pump aux contacts.
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Alstom PIB100G

Product Name:​ Alstom PIB100G (3BEE0226) Process Interface Board / I/O Signal Conditioning Card
Product Introduction:​
This is a high-density process signal interface PCB designed for ABB Advant OCS / Alstom Alspa P320 DCS systems. It provides electrical isolation, buffering, and signal conditioning between field I/O wiring (analog or digital) and the system backplane, protecting the CPU from transient surges and ground loops.
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Alstom PIB102A 3BEB0180A

Product Introduction:​
The PIB102A / 3BEB0180A is a digital input interface board for the Alstom Alspa C300 / Advant DCS platform. It accepts 16 isolated 24 V DC digital inputs (dry or wet contacts) from field devices such as limit switches, breaker aux contacts, and pushbuttons, and transfers the status to the control processor via the backplane bus.
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