GE IS220YPROS1AJ
GE IS220YPROS1AJ
GE IS220YPROS1AJ
GE IS220YPROS1AJ
GE IS220YPROS1AJ
GE IS220YPROS1AJ
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  • Lifecycle status

    Discontinued / Obsolete by OEM
    Apter Power maintains ready-to-ship replacement stock to prevent costly factory downtime.

IS220YPROS1AJ

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IS220YPROS1AJ is a GE Mark VIe backup protection I/O module with 8 relay outputs (5A/250VAC), 2500V isolation, -40°C to +70°C operation, and TMR overspeed trip functions.
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Technical specifications for IS220YPROS1AJ

  • Manufacturer:
    General Electric
  • Part Number:
    IS220YPROS1AJ
  • Product Family:
    GE Mark VIe Distributed I/O
  • Product Type:
    I/O Module
  • Stock:
    1
  • Output Channels:
    8 discrete outputs (relay contact)
  • Contact Rating:
    250 VAC 5A / 30 VDC 5A
  • Isolation Voltage:
    2500 Vrms
  • Power Supply:
    24-28 VDC ±10%
  • Power Consumption:
    15 W maximum
  • Operating Temperature:
    -40°C to +70°C
  • Storage Temperature:
    -40°C to +85°C
  • Relative Humidity:
    5% to 95% RH (non-condensing)
  • Weight:
    0.4 kg
  • Estimated shipping dimensions:
    6x12.8x8.2cm
  • Tariff Code:
    8517795000
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Application Diagnostic Protection Mechanical Mounting

Features:

  • 8 relay outputs rated 5A/250VAC with 2500V isolation for direct trip solenoid control
  • TMR (Triple Modular Redundancy) support with overspeed/acceleration/deceleration protection functions
  • Wide -40°C to +70°C operation with IONet Ethernet communication and CE/ISO certification
The IS220YPROS1AJ provides 8 discrete relay output channels, each rated for 5A at 250 VAC or 5A at 30 VDC . This high current rating allows the module to directly drive emergency trip solenoids, bypass valves, and alarm annunciators without requiring external interposing relays, simplifying the safety circuit design and reducing potential failure points.

Designed for fail-safe operation, the IS220YPROS1AJ supports Triple Modular Redundancy (TMR) configurations, often using three modules in a 2oo3 (two-out-of-three) voting arrangement . This architecture eliminates single points of failure: if one module fails or produces a spurious trip command, the other two healthy modules override it, preventing costly unplanned turbine shutdowns.

The IS220YPROS1AJ is engineered for extreme industrial environments, operating reliably across a wide ambient temperature range of -40°C to +70°C . This allows installation in unheated turbine enclosures, outdoor skids in arctic climates, or desert power plants without requiring climate-controlled cabinets. The module utilizes IONet, GE's proprietary high-speed Ethernet network, for deterministic communication with the Mark VIe controller .

The IS220YPROS1AJ GE I/O Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

GE IS220YPROS1AJ I/O Module Manuals, Datasheets, Drivers, Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
GE IS220YPROS1AJ I/O Module Specs

General

  • Manufacturer GE
  • Model IS220YPROS1AJ
  • Condition New Original ready stock
  • Product Family IS220PDOAH1A,IS220PAICH2A,IS220PTCCH1A
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Heavy-Duty Gas & Steam Turbines: Provides independent emergency protection for large GE OEM gas and steam turbines used in power generation.
  • Aeroderivative Gas Turbines: Monitors quick-start, high-performance aeroderivative turbine systems utilizing specialized terminal boards like the IS200TREAS1A.
  • Emergency Trip Systems (ETS): Serves as the core core safety mechanism in a Safety Instrumented System (SIS) to handle absolute fail-safe trip signals.
  • Emergency Overspeed Protection: Continuously reads magnetic speed pickups to calculate precise shaft acceleration and triggers trip relays instantly if limits are breached.
  • Emergency Stop (E-Stop): Directly interfaces with hardwired emergency pushbuttons to bypass software logic for immediate machine shutdown.
  • Generator Synchronization Check: Monitors bus and generator voltages/frequencies to safely oversee circuit breaker closing.
  • Terminal Board Mating: The module mounts directly onto a companion terminal board (such as IS200SPROS1A or IS200TPROS1C) via a high-density D-type connector. It is secured mechanically using integrated mounting screws.
  • Network Connectivity: Features two RJ45 Ethernet ports to connect directly to the dual/triple redundant safety IONet fabric.
  • Power Supply: Receives its 28 V DC control power directly through the terminal board connection infrastructure.
Description
The IS220YPROS1AJ is a dedicated backup protection I/O module engineered for GE’s Mark VIe and Mark VIeS turbine control systems . This module provides 8 discrete relay outputs rated at 5A (250 VAC/30 VDC), making it suitable for direct actuation of emergency trip solenoids and alarm circuits.

Designed for safety-critical applications, the IS220YPROS1AJ integrates seamlessly with SPRO terminal boards and various trip boards such as TREG and TREA . Its primary function is to supervise primary overspeed controllers and initiate a turbine trip via backup relays when a fault is detected.

The IS220YPROS1AJ is built to withstand extreme industrial environments, operating reliably across a temperature range of -40°C to +70°C . It utilizes Ethernet-based IONet communication for high-speed data exchange and real-time monitoring.

As a backup module, the IS220YPROS1AJ ensures continuous protection even if the primary control system fails . It provides essential emergency shutdown (ESD) functions including overspeed, acceleration, and deceleration monitoring.
Alternative Names
IS22OYPROS1AJ IS220YPROSIAJ IS220PTURH1A IS220PDOAH1B IS220PRTDH1A IS220PTCCH1B IS220PAICH1A IS220PDOAH1A
Technical notes
The IS220YPROS1AJ is a GE Mark VIe backup protection I/O module with 8 relay outputs (5A/250VAC), 2500V isolation, and TMR support . It monitors overspeed/acceleration and initiates emergency turbine trips via IONet/Ethernet communication . Operates -40°C to +70°C, 24-28 VDC, 0.4kg . Essential for safety-critical ESD in gas/steam turbines.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What is the primary function of the IS220YPROS1AJ?
The IS220YPROS1AJ is a backup turbine protection I/O module for GE Mark VIe systems . It monitors overspeed, acceleration, and deceleration conditions. When a fault is detected or the primary controller fails, it initiates a turbine trip via its 8 backup relays, ensuring emergency shutdown (ESD) and preventing catastrophic turbine damage.
How many outputs does the IS220YPROS1AJ have, and what is their rating?
The IS220YPROS1AJ provides 8 discrete relay outputs. Each contact is rated for 5A at 250 VAC or 5A at 30 VDC, allowing direct switching of trip solenoids and alarm devices without requiring external interposing relays.
Does the IS220YPROS1AJ support redundant configurations?
Yes, the IS220YPROS1AJ is designed for high-availability systems. It supports Triple Modular Redundancy (TMR) architecture, often used with three modules in a 2oo3 (two-out-of-three) voting configuration to prevent spurious trips while ensuring fail-safe operation.
What are the environmental operating limits for the IS220YPROS1AJ?
The IS220YPROS1AJ is built for harsh power plant environments. It operates reliably at temperatures from -40°C to +70°C and can be stored from -40°C to +85°C.

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