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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

ALSTOM PIB102A3BEB0180 Intelligent Protection and Control Unit

Technical Specifications:
  • Voltage Rating: Compatible with MV and HV systems, typically up to 36 kV or higher, depending on configuration.
  • Current Rating: Supports a wide range of current transformers (CTs) and protection current levels.
  • Protection Functions:
    • Overcurrent protection (phase and ground).
    • Differential protection for transformers, generators, and busbars.
    • Distance protection for transmission lines.
    • Undervoltage and overvoltage protection.
    • Frequency protection and power swing blocking.