GE IS200SRLYH2AAA

Product Overview

The GE IS200SRLYH2AAA Simplex Relay Output Terminal Board is a key component of the GE Mark VIe Speedtronic turbine control platform. It is designed to interface with compatible PDOA or YDOA I/O Packs, providing reliable relay-based output control for field devices such as contactors, solenoid valves, alarms, and auxiliary control equipment. The board features a compact S-type design that simplifies cabinet installation while delivering dependable switching performance in demanding industrial environments.

With its rugged construction and support for pluggable terminal blocks, the IS200SRLYH2AAA is widely used in gas turbine, steam turbine, and process automation systems where stable relay output and easy maintenance are essential

Technical Specifications

Parameter	Specification
Manufacturer	GE (General Electric)
Model	IS200SRLYH2AAA
Product Type	Simplex Relay Output Terminal Board
Series	Mark VIe Speedtronic
Relay Outputs	12 Form-C relay channels
Customer Terminals	48 terminals
Compatible I/O Packs	PDOA / YDOA
Maximum Load Voltage	125 VDC
Maximum Current Rating	Up to 5 A (application dependent)
Mounting Method	Rack/Panel mounting
Operating Temperature	-30°C to +65°C
Terminal Type	Pluggable Euro-style terminal blocks
Board Technology	Surface-mount design

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Construction and Typical Applications

The IS200SRLYH2AAA consists of relay switching circuits, terminal interfaces, option-board connectors, and dedicated communication interfaces for compatible I/O Packs. Its modular architecture allows efficient wiring, straightforward maintenance, and reliable signal transmission between the controller and field equipment.

Typical applications include:

• Gas turbine control systems
• Steam turbine automation
• Combined-cycle power plants
• Oil and gas production facilities
• Petrochemical plants
• Industrial process control
• Compressor control systems
• Auxiliary equipment monitoring

The board is particularly suitable for applications requiring dependable relay switching and high system availability.

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Installation and Maintenance

The IS200SRLYH2AAA should be installed on the designated mounting carrier within a compatible GE Mark VIe control cabinet. During installation, all field wiring should be connected according to the system documentation, and compatible PDOA or YDOA I/O Packs should be securely attached to ensure proper communication.

Routine maintenance recommendations include:

• Inspect relay contacts and terminal connections regularly.
• Verify relay operation through system diagnostics.
• Check pluggable terminal blocks for secure installation.
• Monitor output status during scheduled maintenance.
• Replace damaged relays or terminal boards with compatible GE replacement parts.

With proper installation and preventive maintenance, the GE IS200SRLYH2AAA Simplex Relay Output Terminal Board delivers reliable relay control, simplified wiring, and long-term performance for critical turbine and industrial automation systems.

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