The ABB 3BHE022294R0101 GF D233 or GFD233 3BHE022294R0101 Analog Module,
designed for use with the ABB Megadrive LCI, serves as a critical component for signal conversion in industrial automation.
This module can perform both analog-to-digital and digital-to-analog conversions,
making it essential for sensor data acquisition, control systems, and monitoring applications.
The key features of the relay are:
1. Self-Powered Three-Phase Non-Directional Overcurrent GFD233 3BHE022294R0102 and Earth-Fault Protection:
• Provides protection against overcurrent and earth faults with both definite minimum time (DMT) and inverse definite minimum time (IDMT) characteristics.
2. Dual Mode of Earth Fault Measurement:
• Offers the option of internal vector summation or external Current Transformer (CBCT) input for earth fault measurement.
3. Integrated IDMT Curves:
• Incorporates IDMT curves (IEC and Special) within a single product to accommodate time coordination requirements for secondary distribution protection.
4. GFD233 3BHE022294R0102 Protection Blocking by Second Harmonic Measurement:
• Ensures stability during magnetizing inrush of transformers by utilizing second harmonic measurement.
5. Capacitor Discharge Impulse Output:
• Provides a low-energy trip coil for efficient operation.
6. Built-in Hand-Reset Electromagnetic Flag:
• Features a hand-reset electromagnetic flag for trip indication.
7. Easy Setting by DIP Switches:
• Settings are easily adjustable via DIP switches, protected by a transparent cover.
8. Compact Design for Secondary Switchgear Applications:
• Designed to be compact and mountable, suitable for Ring Main Unit (RMU) and secondary switchgear applications.
9. Test Facility:
• Offers a test facility for testing the entire protection scheme, including primary CT, relay, and trip coil.
10. Signal Output for Trip Indication:
• Provides a signal output for trip indication to external systems.
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