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IS200EXHSG4A

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GE IS200EXHSG4A is the simplex breaker-mode EX2100 high-speed driver board for field-flashing, de-excitation and contactor control using the 41, 41T, 53A and 53B paths.
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Technical specifications for IS200EXHSG4A

  • Manufacturer:
    General Electric
  • Part Number:
    IS200EXHSG4A
  • Product Family:
    GE Mark VI Gas Turbine Control
  • Product Type:
    EX2100 High-Speed Contactor Driver Terminal Board
  • Stock:
    1
  • Control Arrangement:
    Simplex
  • Operating Mode:
    Breaker mode
  • Close Relay:
    41 used
  • Trip Relay:
    41T used
  • Wetted Contact Inputs:
    41, 53A and 53B
  • Contact Wetting Voltage:
    70 VDC
  • Conduction Sensors:
    2, E1 and E2
  • Built-In Relays:
    7
  • Vertical Ribbon Connectors:
    3
  • De-Excitation Interface:
    EDEX control path
  • Field Functions:
    Field flashing and protection switching
  • Weight:
    0.91 kg
  • Tariff Code:
    8538900000
  • 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 Breaker Commands Conduction Feedback Simplex Arrangement Application
  • Group G4 implements simplex breaker-mode high-speed contactor control
  • Uses both close relay 41 and trip relay 41T
  • Wets the 41, 53A and 53B contact inputs from the EX2100 control power

IS200EXHSG4A replaces the slower contactor path with solid-state high-speed command circuits used around field flashing and protection switching in a simplex EX2100 arrangement.

The G4 execution is defined by breaker mode and uses both the 41 close relay and 41T trip relay, while conduction sensors E1 and E2 supervise the associated power path.

Correct selection depends on group G4, the EDEX connection and the original breaker wiring; another EXHS group can have the same footprint but a different redundancy and relay population.

Availability, condition, price, and shipping time for IS200EXHSG4A are confirmed during quotation.

General Electric IS200EXHSG4A EX2100 High-Speed Contactor Driver Terminal Board Product Family, Support, 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.

  • Relay 41 provides the documented close command
  • Relay 41T provides the high-speed trip path
  • The G4 execution uses both functions in breaker mode
  • E1 supervises one documented conduction path
  • E2 supervises the companion conduction path
  • Feedback is reviewed with the 53A and 53B states
  • One control path drives the G4 board
  • The group code separates it from redundant EXHS executions
  • EDEX and cabinet wiring must agree with the simplex drawing
  • EX2100 breaker-mode field flashing control
  • Generator field de-excitation switching
  • Simplex exciter contactor trip and close circuits
Description
IS200EXHSG4A is an EX2100 high-speed contactor driver terminal board with three wetted contact inputs and relay interfaces for breaker closing, tripping and de-excitation control.

Its G4 circuit operates in simplex breaker mode, accepts the 41/53A/53B inputs at 70 VDC and uses the documented 41 and 41T relay functions with E1/E2 conduction feedback.

Before replacement, isolate control power, label every ribbon and field connection, confirm EDEX pairing and compare the G4 relay map; after installation prove close, trip and feedback states without energizing the generator field.
Revisions

Revision Part #

Also known as

IS200EXHSG4A
IS200EXHSG4A, Series A, Rev A
Alternative Names
IS200 EXHS G4A IS200-EXHS-G4A EXHS G4A GE IS200EXHSG4A General Electric IS200EXHSG4A EX2100 EXHS IS200EXHSG4A
Technical notes
IS200EXHSG4A requires the G4 simplex breaker arrangement, EDEX pairing, 70 VDC wetting supply, 41/41T relay map, 53A/53B feedback, E1/E2 sensing and ribbon-cable positions to match.
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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.
Why is the G4 portion critical when ordering IS200EXHSG4A?
G4 identifies the simplex breaker-mode arrangement that uses both 41 close and 41T trip functions; other EXHS groups are wired differently.
Which field wires should be labeled before removing IS200EXHSG4A?
Label the 41, 53A and 53B inputs, close/trip circuits, E1/E2 sensing leads and every ribbon connector according to the cabinet drawing.
Can IS200EXHSG4A be exchanged with a redundant EXHS group?
Not directly. A redundant execution changes the command and feedback architecture, so the group code and original system drawing must agree.
What should be tested before IS200EXHSG4A is allowed to switch field power?
Perform a de-energized continuity review, then prove 41 close, 41T trip, 53A/53B feedback and E1/E2 conduction indication under the approved commissioning method.
What can cause false feedback after installing IS200EXHSG4A?
Misplaced ribbon cables, reversed sensing leads, incorrect wetting voltage, oxidized terminal contacts or a mismatch with the EDEX circuit can all create disagreement.
Does IS200EXHSG4A require the same control voltage as dry-contact boards?
No assumption is safe; its documented contact inputs are wetted at 70 VDC, so verify the source and return before connecting field wiring.
How should IS200EXHSG4A be isolated for maintenance?
Remove the approved excitation and contactor control sources, verify stored energy is discharged and prove absence of voltage at the breaker and trip interfaces.