Description

 

Product Description

The GE IC3600LRDC1A / IC3600LRDC is a Relay Driver Board designed for GE Mark I-II gas turbine control systems. It belongs to the legacy IC3600 Speedtronic family and provides relay-driving functions within the turbine control architecture. The board uses a standard PCB format with a rear connector for integration into the associated control system. The 1A designation identifies Revision A of this board.

The IC3600LRDC1A is intended for replacement and maintenance of existing GE Mark I-II turbine control equipment. Because IC3600 boards are application-specific legacy components, the original board number, revision, connector arrangement, and system wiring should be verified before installation.

 

Product Datasheet

Specification	Details
Brand	General Electric (GE)
Model	IC3600LRDC1A
Functional Model	IC3600LRDC
Series	IC3600 / Mark I-II
Product Name	Gas Turbine Relay Driver Board
Product Type	Relay Driver PCB
Application	GE Gas Turbine Control System
Control Family	Speedtronic Mark I-II
Board Revision	Revision A
PCB Interface	Standard Rear Connector
Mounting Style	Standard PCB Mounting
Main Function	Relay Drive / Control Interface
Components	Group-Labeled Electronic Components
Condition	Verify actual item condition
Production Status	Legacy / Obsolete Component
Compatibility	Application- and system-dependent

 

Functional Features

⚙️ Relay Driver Function: Provides relay-driving circuitry used within applicable GE Mark I-II turbine control systems.

⚙️ Mark I-II Integration: Designed specifically for the legacy IC3600 Speedtronic turbine control platform.

⚙️ Standard PCB Format: Uses the standard mounting and rear-connector arrangement associated with the IC3600 control board family.

⚙️ Revision Identification: The IC3600LRDC1A designation identifies the Revision A version and should be matched carefully during replacement.

⚙️ Maintenance Replacement: Suitable for maintaining existing legacy turbine control installations where the original LRDC board requires replacement.

⚙️ System-Specific Function: Actual relay assignments and external circuit functions depend on the host Mark I-II turbine control configuration.

 

FAQ

Q: What is the IC3600LRDC1A used for?
A: It is a GE IC3600 Mark I-II Relay Driver Board used in legacy gas turbine control systems.

Q: What does LRDC represent?
A: LRDC is the functional board designation associated with the Relay Driver Board within the IC3600 family.

Q: What system does this board belong to?
A: The board belongs to the GE Speedtronic Mark I-II / IC3600 gas turbine control family.

Q: Is IC3600LRDC1A a Revision A board?
A: Yes. The final 1A identification is documented as Revision A.

Q: Can another IC3600 relay board be used as a replacement?
A: Not automatically. Different IC3600 relay-driver boards can have different circuit functions and connector assignments. The complete part number and system documentation should be checked before substitution.

Q: Is the IC3600LRDC1A still manufactured?
A: It is a legacy component associated with the Mark I-II IC3600 platform and is generally treated as an obsolete/maintenance replacement part.

 

Troubleshooting & Safety

🛠️ Relay output problem: Inspect the associated relay circuitry, external wiring, connector seating, and the control signals supplied to the LRDC board.

🛠️ Intermittent operation: Check the rear connector and PCB for contamination, oxidation, loose connections, or damaged components.

🛠️ Incorrect relay operation: Verify the board revision and terminal/connector assignments against the original turbine control drawings.

🛠️ Replacement issue: Compare the original IC3600LRDC1A board with the replacement before installation, including board number, revision, connector location, and component layout.

⚠️ Gas turbine control system: This board can participate in turbine control and relay circuits. Replacement and functional testing should be performed by qualified industrial control personnel.

⚠️ Electrical isolation: Apply appropriate lockout/tagout procedures and verify that connected control and relay circuits are safely isolated before servicing.

⚠️ Do not bypass protection: Never bypass turbine shutdown, trip, or interlock functions to test a replacement board unless an approved commissioning procedure specifically requires it.

 

Recommended GE Models

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9. IC3600TGDD1A — Gate Driver Board
10. IC3600TPAE1B — Gate Pulse Amplifier Board
11. IC3600SSVA1F — Servo Control Card
12. IC3600SSVB1B1B — Servo Pressure Control Card
13. IC3600SSVG1C1B — Servo Valve Drive Card
14. IC3600STKD1F — Temperature Control Card
15. IC3600SFKK1 — Fuel Valve Control Card

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