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GE DS3800HVDB1G1D
Brand: General Electric (GE Energy – Speedtronic)
Product Name: DS3800 HVDB High-Voltage DC Digital Input Board
Platform: GE Speedtronic Mark IV / Mark V DS3800 I/O family
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Product Brief: 16-channel isolated high-voltage DC discrete input module for sensing breaker status, relay contacts and field 48–125 VDC signals directly without external droppers.
Detailed content
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Technical Specifications:
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Channels: 16 isolated HVDC inputs
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Input range: 48–125 VDC (ON ≥ 35 VDC, OFF ≤ 15 VDC)
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Input current: ~3 mA at 125 VDC
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Isolation: 500 VDC channel-to-backplane
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Response time: ≤ 10 ms
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Backplane power: +5 VDC
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Operating temp: 0 °C to +60 °C
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PCB: FR-4 multilayer with conformal coating
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Housing: flame-retardant polycarbonate (UL94V-0)
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Features: Channel LED indicators, spring terminal front connector, TMR-compatible dry-contact sensing, no external divider needed.
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Application: Turbine auxiliary relay monitoring, breaker position feedback, excitation system DC contact supervision.
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Installation / Notes: Mount in DS3800 rack slot; separate HV wiring from logic wiring; do not exceed 125 VDC; calibrate insulation annually in humid sites.
