2GUS031803A9 ABB Protection Relay

ABB 2GUS031803A9: General Description

The ABB 2GUS031803A9 is a high-performance electrical protection and control device, part of ABB‘s renowned portfolio of industrial and power distribution solutions. While specific documentation for this exact model is limited in public domains, its nomenclature and ABB’s product taxonomy suggest it belongs to the Protection Relay, Circuit Breaker Accessory, or Control Module category. Below is a generalized overview based on ABB’s product design standards and similar model structures.

Key Features and Specifications

1. Product Type:
   Likely a protection relay or auxiliary module designed for integration with ABB’s circuit breakers or switchgear systems (e.g., UniGear, MNS, or Emax series).
2. Functionality:
   • Protection: May provide overcurrent, short-circuit, or earth fault protection for electrical networks.
   • Control: Enables remote or automated control of circuit breakers.
   • Monitoring: Real-time monitoring of voltage, current, and power quality parameters.
   • Communication: Likely supports protocols like IEC 61850, Modbus, or Profibus for integration into SCADA or smart grid systems.
3. Technical Parameters (Typical):
   • Rated Voltage: 400V–690V AC (depending on application).
   • Current Rating: Up to 6300A (compatible with associated circuit breakers).
   • Standards Compliance: IEC/EN 60947, IEC 60255 (protection relays).
4. Design:
   • Compact, modular design for easy installation in switchgear panels.
   • Robust housing (IP20 or higher) for industrial environments.
   • LED indicators for status and diagnostics.

Applications

• Industrial Power Distribution: Protection of motors, transformers, and feeders in manufacturing plants.
• Renewable Energy Systems: Integration into solar/wind farm substations.
• Infrastructure: Critical for data centers, hospitals, and commercial buildings requiring reliable power management.

Advantages

• Reliability: ABB’s legacy in precision engineering ensures high durability and fault tolerance.
• Interoperability: Compatible with ABB’s ecosystem of breakers (e.g., Tmax, Emax) and automation systems.
• Safety: Advanced arc-flash protection and fail-safe mechanisms.

Installation and Compatibility

• Designed for seamless integration with ABB’s Tmax XT or Emax 2 circuit breakers.
• Requires professional installation and configuration via ABB’s proprietary software (e.g., ABB Ability™ or Relion® Toolkit).