Description
🔹 Product Description
The General Electric DS3820PSCB1C1B is a Power Supply Board for the GE Speedtronic Mark IV turbine control system. The base board number is DS3820PSCB, and the 1C1B revision identifies the specific board configuration. Technical listings identify the DS3820PSCB as a Mark IV power supply designed for an 80–140 VDC input and regulated DC outputs including +5 VDC, +15 VDC, and -15 VDC. It provides power for electronic control circuitry and associated Mark IV system hardware. The board is part of the legacy DS3800/DS3820 Mark IV family and should be matched by the complete part number and system configuration before replacement.
📋 Product Datasheet
| Parameter | Value |
|---|---|
| Brand | General Electric (GE) |
| Model | DS3820PSCB1C1B |
| Series | Mark IV Speedtronic |
| Product Name | Power Supply Board |
| Place of Manufacture | USA |
| Product Status | Legacy / Surplus |
| Dimensions | Approx. 19.5 × 28.5 × 29 cm |
| Weight | Approx. 6.35 kg |
| Original Country | United States |
| Input / Output Power | 80–140 VDC input; +5 VDC, +15 VDC, -15 VDC outputs |
| Discontinued | Legacy / Obsolete |
⚙️ Key Features
• Designed for GE Speedtronic Mark IV turbine control systems
• Base board designation: DS3820PSCB
• Specific configuration: DS3820PSCB1C1B
• 80–140 VDC input range
• Provides regulated DC supply rails for Mark IV control hardware
• Associated output rails include +5 VDC, +15 VDC, and -15 VDC
• Rack-mounted industrial control hardware
• Suitable for maintenance, replacement, and spare-parts applications
• Part of the DS3800/DS3820 Mark IV board family
• Complete suffix and system configuration should be verified before installation
❓ Common Questions & Answers
Q: What is the GE DS3820PSCB1C1B?
A: It is a GE Mark IV Speedtronic Power Supply Board. The base model is DS3820PSCB.
Q: Which control system uses this board?
A: The DS3820PSCB1C1B is associated with the GE Speedtronic Mark IV turbine control system.
Q: What is the input voltage?
A: Available technical listings identify an 80–140 VDC input range for the DS3820PSCB.
Q: What output voltages are associated with the board?
A: The DS3820PSCB is identified with +5 VDC, +15 VDC, and -15 VDC regulated outputs.
Q: What does 1C1B mean in the part number?
A: 1C1B identifies the specific revision/configuration of the DS3820PSCB board. The complete part number should be matched when ordering a replacement.
Q: Is DS3820PSCB1C1B still a current product?
A: It belongs to the legacy Mark IV Speedtronic product family and is generally treated as obsolete or legacy hardware.
Q: Can DS3820PSCB1C1B replace another DS3820PSCB version?
A: Replacement should not be assumed to be direct. Verify the complete suffix, input requirements, output rails, rack configuration, and existing Mark IV system documentation before installation.
Q: What should be checked before powering the board?
A: Verify the complete part number, input voltage range, output connections, rack wiring, polarity, grounding, and system configuration before energizing the board.
⭐ Recommended GE Models
- DS3820PSCC — Mark IV Power Supply Board
- DS3820PSCC1D1B — Mark IV Power Supply Card
- DS3820PS1B — Mark IV Power Supply
- DS3820PS1B1E1E — Mark IV Power Supply
- DS3820PS5B — Multiple Output DC Power Supply
- DS3820PS5B1A — Multiple Output Power Supply
- DS3820PS5D — PS5 Power Supply
- DS3820PS5D1A — Mark IV Power Supply Module
- DS3820PSAB — Mark IV Power Supply Module
- DS3820PSFA — Mark IV AC Input Module
- DS3820PSFA1B1A — AC Input Power Board
- DS3820PSFC — Mark IV Power Supply
- DS3820PSFD — Mark IV Power Supply
- DS3820PSFE — Mark IV Power Supply Board
- DS3820PSFF — Mark IV Power Supply Board



