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GE DS3800HMPK

Product Name:​ Mark IV Motor Drive Interface Module
Introduction:​ Auxiliary I/O board managing lube-oil pump, turning-gear and fan motors in Mark IV turbine sequencer.
Technical Specifications:
  • Digital Inputs:​ 8 (motor status, thermal switch)
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Detailed content

  • Relay Outputs:​ 8 (form-C, 5 A 250 V AC)
  • Backplane:​ Mark IV proprietary bus
  • Power:​ 5 V logic, 24 V coil via separate supply
  • Temp Range:​ 0–60 °C
Features:​ Interlock logic pre-loaded, CT-based overload monitor, hand/off/auto relay set.
Application Scenarios:​ Turbine auxiliary motor start sequence, standby pump auto-start on low pressure, cooling fan staging.
Notes:​ Verify relay contact rating vs motor FLA; replace relay if >100k operations logged.

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