General Electric IS200WROBH1ABA IS200WROBH1A
General Electric IS200WROBH1ABA IS200WROBH1A
General Electric IS200WROBH1ABA IS200WROBH1A
General Electric IS200WROBH1ABA IS200WROBH1A
General Electric IS200WROBH1ABA IS200WROBH1A
General Electric IS200WROBH1ABA IS200WROBH1A
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IS200WROBH1ABA IS200WROBH1A

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The General Electric IS200WROBH1ABA IS200WROBH1A is a specialized WROB relay fuse and power sensing option board engineered for the GE Mark VIe control system.
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Technical specifications for IS200WROBH1ABA IS200WROBH1A

  • Manufacturer:
    General Electric
  • Part Number:
    IS200WROBH1ABA IS200WROBH1A
  • Product Family:
    GE Mark VI Gas Turbine Control
  • Product Type:
    Relay Fuse and Power Sensing Board
  • Stock:
    1
  • Default Fuse Rating:
    3.15 A per protected channel (Fast-acting)
  • Relay Channel Distribution:
    Fused sensed power to first 6 relays; dedicated power to the last relay
  • Supported System Voltage:
    24V DC, 48V DC, or 125V DC nominal circuit matching
  • Operating Temperature:
    -30°C to +65°C (-22°F to +149°F)
  • Storage Temperature:
    -40°C to +85°C (-40°F to +185°F)
  • Relative Humidity:
    5% to 95%, non-condensing
  • Terminal Board Compatibility:
    TDBS, SRLY, TDBTH2, TDBTH4, TDBTH6
  • Weight:
    0.2 kg
  • Estimated shipping dimensions:
    15.5x11.8x5.2cm
  • Tariff Code:
    8537101190
  • 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 Applications Monitoring & Control Operating Environment

Features:

  • Integrated Power Sensing Engine
  • Granular 3.15 A Overcurrent Protection
  • Flexible Redundant Architecture Scaling
The General Electric IS200WROBH1ABA IS200WROBH1A incorporates specialized voltage tracking sensors across individual relay output lines. This permits real-time verification of coil power status, helping system operators immediately identify breaks or power losses in field control loops before executing active commands.

Equipped with 3.15 A default fast-acting fuses, the General Electric IS200WROBH1ABA IS200WROBH1A safeguards vulnerable automation hardware from short circuits. Its component architecture confines electrical anomalies to the individual faulted channel, leaving adjacent operational circuits unaffected.

The General Electric IS200WROBH1ABA IS200WROBH1A scales easily across Simplex, Dual, or TMR configurations. By mounting seamlessly onto primary termination bases like the TDBT or TDBS, it eliminates complex multi-wire configurations and simplifies spare-parts inventories.

The IS200WROBH1ABA IS200WROBH1A General Electric Relay Fuse and Power Sensing Board may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
General Electric IS200WROBH1ABA IS200WROBH1A Relay Fuse and Power Sensing Board Manuals,Datasheets,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.
General Electric IS200WROBH1ABA IS200WROBH1A Relay Fuse and Power Sensing Board

General

  • Manufacturer General Electric
  • Model IS200WROBH1ABA IS200WROBH1A
  • Condition New Original ready stock
  • Product Family IS200BICLH1AED,IS200WEORG1ACD,IS200WETCH1ABA
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.
  • Gas & Steam Turbine Controls: Operates as a critical safety interlocking and solenoid firing interface within GE Speedtronic Mark VIe Control Systems.
  • Emergency Trip Systems (ETS): Acts as a fast-acting isolation layer for high-priority emergency trip valves and fuel isolation relays.
  • Heavy Duty Power Distribution: Distributes protected, monitored power feeds to field-mounted auxiliary relays, starters, and process indicator lights.
  • Triple Modular Redundancy (TMR) Environments: Pairs with TDBT base blocks to support voter-relay architectures in high-risk oil, gas, and power generation processes.
  • Real-time Fuse Condition Diagnostics: Provides direct system feedback regarding individual fuse health to pinpoint faulted loops without physical inspection.
  • Dynamic Voltage Status Feedback: Continually reads and translates line voltage values across the initial six channel paths to flag loose terminations or broken wires.
  • Controller Crosstalk Suppression: Isolates noise from inductive field devices, preventing spikes from entering backplane signaling electronics.
  • ToolboxST Integrated Management: Links process parameters directly into central control logs, allowing engineers to track power trends and circuit failures over time.
  • Extended Thermal Operation Limits: Safely functions across ambient industrial areas from -30°C up to +65°C without requiring external cooling fans.
  • High Humidity Resistance Capabilities: Operates within 95% non-condensing humidity envelopes due to its industrial-grade protective conformal coating.
  • Vibration and Shock Minimization: Features a low-profile, multi-standoff mechanical design that withstands the high vibration levels found near structural turbine blocks.
  • Hazardous Location Protection: Built to prevent electrical arcing, allowing deployment in Class I, Div 2 and Zone 2 explosive environments when properly enclosed.
Description
The General Electric IS200WROBH1ABA IS200WROBH1A operates within the advanced GE Mark VIe Architecture to provide robust, localized power distribution for discrete output control loops. Acting as a strategic expansion card (WROB), it equips host terminal boards with individual branch circuit protection via high-capacity fuses. Its integrated power-sensing circuitry constantly interrogates the electrical status of connected field loads, delivering definitive feedback directly to the main controllers to proactively capture upstream circuit failures or coil faults before they result in unexpected system downtime.

Designed with flexibility in mind, the General Electric IS200WROBH1ABA IS200WROBH1A upgrades basic termination layers like the TDBS or SRLY into the functional equivalent of heavy-duty TRLY relay terminal blocks during simplex operations. It provides isolated, fused power tracking across targeted relay groupings while protecting the final high-priority channels through dedicated, independent power pathways. This targeted segregation ensures that high-demand inductive switching configurations do not disrupt adjacent signaling networks or trigger cascading system trips.

As a crucial component of high-availability gas and steam turbine Speedtronic controls, the General Electric IS200WROBH1ABA IS200WROBH1A is manufactured to withstand severe industrial conditions. The board utilizes chemical-resistant coatings and heavy copper traces to suppress heat build-up and fight atmospheric corrosion. Whether managing emergency trip systems, fuel solenoid valves, or critical interlocking relays, this unit guarantees consistent diagnostic depth and high-speed electrical isolation that heavy industries rely on for safe plant operation.
Alternative Names
IS200WROBH1ABA IS200WROBH1A IS2OOWROBH1ABA IS2OOWROBH1A IS200WR0BH1ABA IS200WR0BH1A 1S200WROBH1ABA 1S200WROBH1A IS200WRO8H1A8A IS200WRO8H1A IS200WROBHIABA IS200WROBHIA IS200WROBH1AAA
Technical notes
The General Electric IS200WROBH1ABA IS200WROBH1A features an exact 3.15 A default fuse rating on critical channels to protect external pilot devices and internal relay coils against sudden overcurrent events. When integrated into a Mark VIe system using the GE ToolboxST Software, the board establishes sub-millisecond diagnosis of blown fuse parameters and relay voltage tracking metrics without requiring any external feedback loops.
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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 specific host baseboard variations support the installation of the General Electric IS200WROBH1ABA IS200WROBH1A option card?
The General Electric IS200WROBH1ABA IS200WROBH1A is designed to mount as a specialized daughterboard onto simplex TDBS and SRLY terminal boards, or triple modular redundant (TMR) baseboards like the TDBTH2, TDBTH4, and TDBTH6. When attached, it modifies the host topology to deliver high-density fuse protection and diagnostic voltage tracking.
How does the General Electric IS200WROBH1ABA IS200WROBH1A report a blown fuse event to the master Mark VIe controller?
When an overcurrent condition opens a 3.15 A circuit on the General Electric IS200WROBH1ABA IS200WROBH1A, the built-in power sensing loop drops its voltage feedback signal. This variance is captured by the associated PDIO I/O pack, which instantly triggers a system diagnostic alarm in the control room via the IONet protocol.
Does the General Electric IS200WROBH1ABA IS200WROBH1A require custom firmware parameters inside the ToolboxST software?
No separate firmware image is needed. The General Electric IS200WROBH1ABA IS200WROBH1A is recognized as a hardware option card within GE ToolboxST. Selecting the correct board combination (e.g., TDBS + WROB) in your I/O configuration tree automatically opens the correct Diagnostic and Power Sensing parameters.
What is the channel power routing configuration of the General Electric IS200WROBH1ABA IS200WROBH1A when managing discrete outputs?
The board applies a split power scheme. The General Electric IS200WROBH1ABA IS200WROBH1A routes shared, fused, and monitored voltage to the first six relay positions, while providing completely isolated, dedicated power to the final seventh relay channel for standalone isolation tasks.
Are the General Electric IS200WROBH1ABA IS200WROBH1A modules qualified for installation inside Hazardous Area environments?
Yes, when mounted on approved TMR terminal bases like the TDBTH6A, the General Electric IS200WROBH1ABA IS200WROBH1A can operate safely within Class I, Division 2, and ATEX Zone 2 environments. Always house the system assembly inside an appropriately certified, IP54-rated industrial enclosure.
What are the differences between the base model General Electric IS200WROBH1A and the expanded version General Electric IS200WROBH1ABA?
The General Electric IS200WROBH1A specifies the initial hardware group and circuit layout, while the General Electric IS200WROBH1ABA revision designation details specific component engineering updates, conformal coating improvements, and structural robustness. Both variants maintain identical form factors and electrical behaviors.