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.
Tech & Buying Guide
Demystifying the 5 Levels of Industrial Automation Architecture
Modern manufacturing relies on structured communication hierarchy to bridge physical shop-floor hardware with enterprise management software. This framework, commonly known as the Automation Pyramid, establishes how data flows between field devices, logic controllers, and corporate IT networks. Understanding these five distinct levels helps engineers and plant managers optimize system operations, reduce downtime, and implement seamless factory automation solutions.
Transforming Shop Floor Data into Actionable Insights: A Deep Dive into MES
Manufacturing Execution Systems serve as the digital backbone of modern factory floors. Positioned at Level 3 of the ISA-95 automation pyramid, MES links enterprise resource planning with real-time shop floor control systems. Today, industrial operators rely on MES software to bridge operational strategy with physical production execution.
