Product Details
The GE 820-0411/03, also cataloged as the 820-0411 Energy Control System Board, operates as a dedicated hardware component for turbine protection, fault monitoring, and DC power distribution within GE Energy control system platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | 820-0411/03 |
| Brand | GE |
| Origin | USA |
| Processing Unit | 32-bit microprocessor with real-time OS |
| Protection Functions | Overcurrent, ground fault, differential, transformer overtemperature |
| Onboard Memory | High-capacity buffer for event recording and logic processing |
| Communication Interfaces | Modbus, TCP/IP, and extended field protocols |
| Input Voltage | 240 VAC, single-phase |
| Output Voltage | 24 VDC |
| Max Output Current | Up to 83 A (2000 W capacity) |
| Power Efficiency | 88% |
| Dimensions | 380 x 200 x 100 mm |
| Weight | 1 kg |
| Operating Temp | 0 to 60 deg C |
| Power Consumption | 2000 W max output dissipation profile |
Backplane Bus Communication & Firmware Flash Compatibility
The system board utilizes a 32-bit microprocessor running a real-time operating system to execute sub-millisecond trip evaluation cycles across internal protection logic. Onboard firmware flash compatibility facilitates deterministic packet transmission over Modbus and TCP/IP channels without interrupting background event recorder buffering. Internal backplane bus communication velocity allows high-density I/O signals and protective trip logic to execute simultaneously while suppressing high-voltage transients.
Frequently Asked Questions
Q: What power output capacity does the onboard DC conversion circuit deliver?
A: The onboard power circuit converts 240 VAC single-phase input to 24 VDC output, delivering up to 83 A with an overall continuous power rating of 2000 W at 88% efficiency.
Q: How are protection trip events and diagnostic logs stored on the board?
A: The board contains onboard non-volatile memory allocated for event recording, sequence-of-events timestamping, and complex protective algorithm execution.
Q: Can communication protocols be expanded beyond basic serial Modbus?
A: Yes, the integrated communications hardware supports Modbus and TCP/IP networks, with expansion interfaces capable of hosting additional industrial protocols via system firmware configuration.
Field Installation Guidelines
- Mount the board assembly into its designated enclosure slot, maintaining vertical alignment to support passive air thermal convection across the 2000 W power conversion components.
- Ensure a minimum structural clearance of 100 mm around the perimeter heat sinks for thermal dissipation.
- Fasten protective grounding connections directly from the chassis grounding tab to the primary panel ground bus bar using minimum 10 AWG copper wire.
- Separate 240 VAC power input wiring and 24 VDC/83 A high-current output lines from low-level measurement and communication cables to prevent electromagnetic coupling.
- Verify input line voltage compliance and terminal wire tightening torque prior to applying 240 VAC power to the main input terminals.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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