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3 year warranty

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Controller unit IS200ECTBG1A is an Exciter Contact Terminal Board and supports excitation contact outputs and inputs, this board is only used in redundant mode. This model has four form C contact outputs controlled by EMIO and has two contact outputs for customer lookouts.



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  • Part Number: IS200ECTBG1A
  • Manufacturer: GE Industrial Systems
  • Series: EX2100 Excitation Control

IS200ECTBG1A Technical Specifications

Board Description Exciter Contact Terminal Board
Board Type Input/Output Terminal Board
Functional Acronym/Abbreviation ECTB
Number of General Purpose Form C Relays 4
Number of Trip Contact Outputs 2
Series Innovation Series, EX2100
Use Mode Redundant Only Mode

Product Description

Input/output terminal board IS200ECTBG1A is part of the EX2100 Excitation Controller series. This board is an exciter contact terminal board (ECTB). The primary function of this model is to support excitation contact inputs and outputs. As the IS200ECTBG1A is labeled as a 1A it will only be operated in redundant mode. This model has the capability to control relay contact outputs and customer contact inputs. 

There are four general-purpose Form C contact outputs on the IS200ECTBG1A control board and when using the board it has to be wired to the EMIO so the Form C outputs can be controlled. During powering of the ECTB model there will be an isolated direct current voltage of seventy. On the IS200ECTBG board, there are three pin connectors, these connectors are labeled as J405, J408, and J415. There are ten SCL-L-DPDT-S 24 VDC distributors that can be easily replaced, if you need this distributor replaced please feel free to contact us by our phone number at (919)372-8413 or email at so we can provide a quote for you.  

For more information about this terminal board consult the GEH-6632 EX2100 Excitation Control manual attached to this page, the best information available about this part is on page forty-nine of the manual. 

Frequently Asked Questions about IS200ECTBG1A

There are a number of different outputs on the IS200ECTBG1A board, what are they and how are they controlled?

On the IS200ECTBG1A board, there are six different outputs. Two of the outputs are trip contact outputs which drive a customer lockout, and four general-purpose Form-C relay contact outputs controlled by the EMIO board. 

What are the inputs on the IS200ECTBG1A board and how are they powered?

The inputs on the IS200ECTBG1A board are auxiliary contact inputs for which there are six. The six inputs are powered with 70 VDC by the ECTB board. 

Is there a part-specific manual for the IS200ECTBG1A board?

Yes! The part-specific manual for the ECTB board is the GEI-100457 IS200ECTB Exciter Contact Terminal Board, and cannot be found online. 

Does the G1A contain any meaning?

Yes, the A in 1A in the catalog number indicates what mode the IS200ECTBG1A board operates in. The G just represents the type of coating. 

Reviews For IS200ECTBG1A

Internal Review

The IS2000ECTBG1A terminal board needs to be connected to one of the IS200EBKP models to receive power. When connecting your ECTBG1A model make sure that it is connected to the M1 and M2 sections of the backplane. - AX Control Technician

Repair Services For IS200ECTBG1A

Type Lead Time Price Action
Repair Service 1-2 weeks $1450

Our highly skilled technicians can repair your IS200ECTBG1A. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

  • 48-72hr Rush Repair
  • Detailed Repair Reports
  • AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.
All PLCs, HMIs, and Turbine Control Boards: 3 Years
All AC/DC and Servo Drives: 2 Years
All Motors: 1 Year
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