IS200ESELH2A - ESEL Exciter Selector Board | GE EX2100 | B7B

IS200ESELH2A is a General Electric ESEL Exciter Selector Board for GE EX2100 excitation control systems. In the EX2100 control rack, the ESEL board receives six logic-level gate pulse signals from the EMIO board and distributes them to the EGPA or EHPA gate pulse amplifier boards for bridge firing.

The GEH-6632G EX2100 user guide describes the H2 version of ESEL as containing three bridge drivers, used on 100 mm two-bridge n+0 and three-bridge applications. For maintenance, repair, and spare-part planning, IS200ESELH2A is an important replacement gate selector board when supporting EX2100 excitation control cabinets, redundant or simplex control architectures, and turbine-generator excitation system reliability.

Control system parts are provided by GTC Control Solutions, Inc., a wholly owned subsidiary of B7B. Parts are offered in unused, repaired, or remanufactured condition, subject to availability. Each repaired or remanufactured component undergoes functional testing in energized panels, with test reporting and warranty support provided for repair and lifecycle-extension programs.