The ABB PM683 is a modular protection relay for medium voltage applications. It is designed for the protection, control, and monitoring of feeders, motors, and generators. The PM683 is part of ABB’s Relion® product family and is based on the RET650 protection relay platform.

Key Features

1. Protection Functions:
   • Overcurrent
   • Overvoltage
   • Undervoltage
   • Differential protection
   • Distance protection
   • Directional protection
   • Reclosing
2. Metering and Monitoring:
   • Active power
   • Reactive power
   • Apparent power
   • Power factor
   • Energy
   • Demand
3. Communication Options:
   • Ethernet
   • IEC 60870-5-103
   • Modbus RTU
4. User Interface:
   • LCD display with touch keys

Technical Specifications

• Rated Voltage: Up to 36 kV
• Rated Current: Up to 6,000 A

Applications

• Industrial power distribution systems
• Commercial power distribution systems
• Utility power distribution systems
• Oil and gas applications
• Renewable energy applications

Advantages

• Modular Design: Simplifies expansion and maintenance.
• High-Performance Processing: Ensures fast and reliable protection.
• Comprehensive Protection Functions: Meets demanding application needs.
• Advanced Metering and Monitoring: Enhances system visibility.
• Flexible Communication Options: Facilitates easy SCADA system integration.
• User-Friendly HMI: Simplifies operation and configuration.

Benefits

• Enhances safety and reliability of power distribution systems
• Reduces downtime and maintenance costs
• Improves system efficiency and performance
• Increases situational awareness
• Simplifies SCADA system integration