GE DS3820PS1B1C1D
Product Name: GE Mark V Control System Primary Power Supply Module
Product Overview: The DS3820PS1B1C1D is a primary power supply module exclusively designed for GE’s Mark V control system. It delivers stable, multi-channel DC working voltages to all modules within the Mark V control rack and serves as the core power supply unit for the normal operation of the control system.
Detailed content
Technical Specifications:
- Input Voltage: 120 V AC or 240 V AC (selectable via hardware configuration)
- Input Frequency: 50 Hz / 60 Hz
- Output Voltages and Currents:
- +5 V DC: 8 A (maximum)
- +15 V DC: 2 A
- -15 V DC: 0.5 A
- +24 V DC: 2 A
- +5 V Standby: 1 A
- Total Output Power: Approximately 120 W (typical)
- Redundancy: Supports 1+1 redundancy (dual power supply parallel operation)
- Operating Temperature Range: 0 °C to 55 °C
- Efficiency: ≥ 80% (typical)
- MTBF: ≥ 100,000 hours
Functional Features:
- Multiple independent regulated outputs, each electrically isolated
- Overvoltage Protection (OVP), Overcurrent Protection (OCP), Short Circuit Protection (SCP)
- Front panel equipped with Power Good indicator and fault alarm LED
- Supports hot-swappable replacement (online replacement in redundant configuration)
- Input end fitted with EMI filter, complying with industrial electromagnetic compatibility requirements
Structural Features:
- Standard Mark V single-slot width module
- Front Panel: LED status indicators + fault code display
- Backplane: VME bus connector + power output connector
- Enclosure: Galvanized steel sheet, flame-retardant material
Application Scenarios: Gas turbine power generation, steam turbine power generation, industrial process control
Installation Requirements:
- Install in the power supply slot of the Mark V control rack (typically the leftmost slot)
- In redundant configuration, the two power supply modules must be installed in adjacent slots
- Input cable cross-sectional area must be ≥ 2.5 mm²
- Must be connected to an independent UPS power supply circuit
Usage Precautions:
- Before replacing the power supply module, confirm that the redundant power supply has properly taken over the load
- Regularly inspect fan operation status (if equipped)
- Input voltage switching must be set via hardware jumpers or DIP switches on the module












