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          Apter Power can prepare an IS200ESELH1A supply response and provide applicable original GE technical literature.

        IS200ESELH1A

        / 4.9
        1001 reviews ｜ Need a Specific Revision?
        For one-bridge EX2100 arrangements, the General Electric IS200ESELH1A functions as an Exciter Selector Board that selects a regulator source and routes six logic firing pulses.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
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        Technical specifications for IS200ESELH1A

        • Manufacturer:
          General Electric
        • Part Number:
          IS200ESELH1A
        • Product Family:
          GE Excitation Control
        • Product Type:
          Exciter Selector Board
        • Stock:
          1
        • Logic-level inputs:
          Six gate-pulse commands
        • Command source:
          EMIO main I/O board
        • Output destination:
          EGPA or EHPA gate-pulse amplifier
        • H1 bridge-driver capacity:
          One bridge
        • Redundant board count:
          Two selector boards
        • Redundant command sources:
          M1 and M2 controllers
        • Active-source selection:
          Controller C
        • Amplifier location:
          Power-conversion cabinet
        • System family:
          EX2100 excitation control
        • Tariff Code:
          8537101190
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen,Fujian,China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Pulse Routing Bridge Matching Source Selection Integration

        Features:

        • Receives one six-command firing set from main exciter I/O.
        • Selects the controller source permitted to reach the bridge.
        • Feeds the appropriate gate-pulse amplifier chain for one bridge.
        IS200ESELH1A keeps regulator-source selection separate from pulse amplification in the EX2100 firing chain.

        The H1 suffix identifies the one-bridge member of the ESEL family, while other family versions are assigned to larger bridge counts.

        Separate M1 and M2 routes preserve redundant command sources before one selected set is passed to the installed EGPA or EHPA amplifier hardware.

        For a one-bridge EX2100 configuration, Apter Power can assist with sourcing and documentation requests for the General Electric IS200ESELH1A Exciter Selector Board.
        General Electric IS200ESELH1A Exciter Selector Board Manuals, Datasheets, Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

        Pulse flow

        • Command source: EMIO supplies six protected logic-level firing signals.
        • Selector input: The command set enters ESEL before final amplification.
        • Active route: Only the selected set continues toward the bridge.
        • Amplifier stage: EGPA or EHPA converts logic into bridge gate drive.

        Capacity identification

        • H1 version: The selector serves one power bridge.
        • H2 version: The related family version is assigned to three bridges.
        • H3 version: The related family version is assigned to six bridges.
        • Selection rule: Bridge count must match the installed ESEL suffix.

        Active-source logic

        • M1 path: One selector route receives commands from the first regulator.
        • M2 path: A separate route receives the second regulator command set.
        • Controller selection: The control system determines which source is active.
        • Bridge output: Only the selected firing set reaches the amplifier chain.

        Interface review

        • Upstream source: Confirm the EMIO connector carrying the six-command set.
        • Amplifier type: Identify whether EGPA or EHPA follows the selector.
        • Bridge capacity: Verify that the cabinet uses the H1 one-bridge arrangement.
        • Path identity: Preserve M1 and M2 connector labels during service.
        Description
        General Electric IS200ESELH1A Exciter Selector Board selects and distributes six EX2100 firing commands to the gate-pulse amplifier path for one power bridge.

        The H1 IS200ESELH1A assembly is sized for a single bridge, unlike ESEL variants intended for three or six bridges. Bridge capacity must therefore be matched to the cabinet power topology.

        In redundant excitation control, separate IS200ESELH1A paths receive the M1 and M2 command sources, allowing the controller system to select which firing set reaches the bridge.

        Downstream from IS200ESELH1A, EGPA or EHPA hardware performs gate-pulse amplification. Connector restoration must follow the amplifier type and bridge route documented for the installed unit.
        Alternative Names
        IS200E5ELH1A IS200 ESEL H1A General Electric IS200ESELH1A IS200ESEL H1A EX2100 IS200ESELH1A IS200-ESEL-H1A IS200 ESELH1A GE IS200ESELH1A
        Technical notes
        IS200ESELH1A supports a one-bridge simplex or warm-backup exciter, so the surrounding architecture—not only the board name—defines its installed role.
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        Why can a bridge remain inactive even when EMIO commands reach IS200ESELH1A?
        After confirming the IS200ESELH1A input set, trace the selected output to the installed EGPA or EHPA amplifier and then to the one-bridge path.
        What should be checked if IS200ESELH1A appears to select the wrong regulator?
        Verify the IS200ESELH1A M1 and M2 connector identities and the controller-C selection logic before exchanging any firing routes.
        Why is an H2 or H3 selector not a direct replacement for IS200ESELH1A?
        IS200ESELH1A is the H1 member assigned to one bridge, while the related H2 and H3 family versions serve different bridge counts.
        How should the downstream amplifier be identified before replacing IS200ESELH1A?
        Confirm whether IS200ESELH1A feeds EGPA or EHPA hardware and preserve that documented cable route during the replacement.
        What can cause redundant firing paths to be crossed around IS200ESELH1A?
        Separate IS200ESELH1A routes receive the M1 and M2 command sets, so exchanged connector labels can associate the active selection with the wrong source.
        Which checks help isolate a lost firing command at IS200ESELH1A?
        For IS200ESELH1A, test the EMIO-side command arrival, active-source selection, selector output, and amplifier-side connection as distinct stages.

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