Skip to content

What are you looking for?


You may also like

IS200ESELH1A | GE | Exciter Selector BoardIS200ESELH1A | GE | Exciter Selector BoardIS200ESELH1A | GE | Exciter Selector Board
IS200ESELH1A | GE | Exciter Selector Board
IS200ESELH1A | GE | Exciter Selector Board
IS200ESELH1A | GE | Exciter Selector Board

IS200ESELH1A | GE | Exciter Selector Board


Only 10 left - Selling fast

PRODUCT SKU : IS200ESELH1A

PRODUCT TYPE : Control Boards

PRODUCT VENDOR : General Electric


  • 100% Genuine Parts – Risk-Free 30-Day Returns
  • 1-Year Warranty & Expert Support for Every Order

Product Details

Configured for gate pulse distribution in EX2100 excitation control systems, the GE IS200ESELH1A (IS200ESELH1A Exciter Selector Board) provides direct physical execution of logic-level signal routing to power conversion modules. This hardware component serves as the primary ESEL1 board utilized to execute signal distribution from the EMIO to EGPA modules across EX2100 control platforms.

Hardware Specifications

Parameter Specification
Model IS200ESELH1A
Brand GE
Dimensions Standard control board form factor
Operating Temp Standard industrial ambient range
Power Consumption System-dependent
Core Performance 6 logic-level pulse signal inputs; 1 bridge driver

Backplane Bus Communication and Deterministic Networks

The IS200ESELH1A functions as a signal distribution interface, receiving six logic-level pulse signals from the connected EMIO board. These signals are subsequently transmitted via dedicated cabling to the EGPA boards to facilitate precise control of SCR (Silicon Controlled Rectifier) gate firing sequences. The ESEL1 hardware configuration incorporates a single bridge driver, optimized for specific bridge control requirements within the excitation rack. In redundant control applications, the installation of two IS200ESELH1A units is required to maintain deterministic operation and fault tolerance. The module maintains backplane bus communication velocity by ensuring low-latency signal transition from the EMIO input through to the final EGPA gate firing stage. Firmware flash compatibility and timing parameters are governed by the overarching EX2100 control architecture, as detailed in technical documentation GEI-100456.

Frequently Asked Questions

Q: Does the IS200ESELH1A support hot-swapping?

A: No. The board is an active component within the SCR gate firing circuit. Removing or installing the board while the exciter is energized will disrupt gate pulse distribution, leading to loss of firing control and a potential system trip.

Q: Can an ESEL1 board be used to replace an ESEL2 or ESEL3 model?

A: No. The ESEL1 model is designed with a single bridge driver specific to the ESEL1 group configuration. It is not electrically compatible with the bridge driver requirements of ESEL2 or ESEL3 group applications.

Field Installation Guidelines

  • Mounting: Ensure the board is firmly seated in the control rack and that all cable connectors are fully engaged. Mechanical stability is necessary to prevent intermittent signal issues caused by vibration.
  • Wiring: Verify that all six signal cables from the EMIO are correctly terminated to the ESEL input ports. Maintain proper cable routing to prevent crosstalk or signal degradation between the gate pulse lines and high-current power cabling.
  • Configuration: In redundant systems, confirm that both IS200ESELH1A modules are correctly mapped to their respective control channels. Failure to synchronize redundant ESEL boards may result in firing discrepancies between the primary and standby bridges.
  • Inspection: Regularly check the board for signs of component overheating or dust accumulation, which can affect the reliability of the logic-level signal transition to the EGPA modules.

Additional Information

  • 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
  • 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
  • 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
  • Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
  • Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
  • Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.




Recently Viewed Products

Tech & Buying Guide

Technical Insights, Installation Guides, and Buying Tips
The Shift to Flexible IO Modules in Modern Industrial Automation

The Shift to Flexible IO Modules in Modern Industrial Automation

Traditional control systems rely on dedicated Input Output (IO) cards for industrial automation. Each conventional module processes a single signal type, such as Digital Input (DI), Digital Output (DO), Analog Input (AI), or Analog Output (AO). A standard 16-channel card accepts only one specific channel type across all ports. This inflexible hardware design often creates severe engineering bottlenecks during project execution. Engineers frequently must install entirely new cards to accommodate a single extra sensor. Consequently, late design changes increase control cabinet space requirements and drive up project costs.

Read more
DCS Commissioning Steps in Industrial Automation Projects

DCS Commissioning Steps in Industrial Automation Projects

Commissioning a Distributed Control System (DCS) represents a crucial milestone when deploying modern process automation infrastructure. Field engineers must execute systematic verification steps to transition complex control hardware from static installation to dynamic plant control. Proper commissioning ensures that controllers, I/O modules, network switches, and HMI software operate in strict compliance with engineering design specifications before introducing live process fluids.

Read more
PLC and DCS Control System Spares Strategy: Engineering Guidelines

PLC and DCS Control System Spares Strategy: Engineering Guidelines

Modern factory automation relies on high-speed fiber optic backbones to link distributed control systems across noise-intensive industrial environments. Unlike copper wiring, optical fibers transmit data via light pulses, making them completely immune to electromagnetic interference (EMI). Field engineers must master optical cable joining and fusion splicing techniques to guarantee low-loss data transmission across critical Programmable Logic Controller (PLC) and Distributed Control System (DCS) nodes.

Read more