IS200ECTBG2A GE EX2100 Exciter Contact Terminal Board

Product Description

The GE IS200ECTBG2A, also cataloged as the IS200ECTBG2A Exciter Contact Terminal Board, provides contact signal interfacing within the GE EX2100 Excitation Control System. Its specified electrical characteristics include a contact wetting voltage of +70 VDC, a 500 VDC input-to-backplane isolation rating, and a 24 VDC power supply requirement.

Hardware Specifications

Contact Signal Interface and Electrical Isolation

The IS200ECTBG2A provides a contact interface function within the EX2100 excitation control hardware. Its specified contact wetting voltage is +70 VDC. This value should be considered when checking contact circuit compatibility and external wiring requirements.

The board has a specified input-to-backplane isolation rating of 500 VDC. This rating defines the stated isolation test voltage; it should not be interpreted as a continuous operating voltage rating. Confirm terminal assignments, contact ratings, and external circuit requirements against the applicable GE documentation before installation.

The listed 24 VDC supply and power consumption of <= 4 W define the provided supply requirements. Verify the actual supply connection and loading against the applicable board documentation.

Frequently Asked Questions

Q: What is the function of the IS200ECTBG2A?

A: It is an Exciter Contact Terminal Board associated with the GE EX2100 Excitation Control System. Confirm the specific contact assignments and interface connections using the applicable system drawings.

Q: What are the specified electrical characteristics?

A: The supplied specifications list a 24 VDC power supply, power consumption of <= 4 W, a +70 VDC contact wetting voltage, and 500 VDC input-to-backplane isolation.

Q: Can the IS200ECTBG2A be replaced or installed while the system is energized?

A: Hot-swap capability is not confirmed by the supplied specifications. Follow the GE EX2100 maintenance procedure and isolate the relevant power sources before handling the board unless the official documentation explicitly permits energized replacement.

Field Installation Guidelines

1. Verify the hardware: Confirm the complete IS200ECTBG2A model number and board identification against the EX2100 system drawings before installation.
2. Isolate power: Follow site lockout and tagout procedures. Verify the applicable circuit is de-energized before connecting or disconnecting wiring.
3. Check contact circuits: Confirm contact assignments, polarity where applicable, and compatibility with the specified +70 VDC contact wetting voltage.
4. Inspect isolation requirements: Treat the 500 VDC input-to-backplane value as an isolation rating, not a permissible continuous field voltage.
5. Route wiring correctly: Separate contact signal wiring from high-current power conductors where practical. Follow the system wiring drawings and site EMC requirements.
6. Inspect grounding and shielding: Apply the grounding and cable-shield termination methods specified in the GE installation documentation. Avoid creating unintended ground loops.
7. Verify before energization: Check terminal connections, cable identification, supply wiring, and continuity against approved drawings before restoring power.
8. Check system operation: After installation, perform the applicable contact input checks and excitation system diagnostics in accordance with the approved commissioning or maintenance procedure.

Other Attributes

• Series: GE Multilin 350 Feeder
• Country of Origin: USA
• Lead Time: In Stock, 2 Working Days

In Stock Hot Items of The GE General Electric Mark VI 

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