Siemens Overcurrent Relay 7SR1003-2LA20-2CA0

The Siemens 7SR1003-2LA20-2CA0 ARGUS Overcurrent Relay is a highly efficient non-directional overcurrent protection relay designed for reliable fault detection and protection in electrical systems. This relay is equipped with advanced features, offering robust performance and flexibility to meet various industrial protection requirements.

Key Features:

• Non-Directional Overcurrent Protection: Provides reliable protection against overcurrent conditions, suitable for a wide range of applications.
• Size 4 Molded Case: Compact design ensures easy installation while saving space in distribution panels or switchgear.
• Current Transformers (CT): Supports up to 4 current transformers for precise fault monitoring and detection.
• Binary Inputs and Outputs: Equipped with 6 binary inputs (BI) and 6 binary outputs (BO) to integrate with other systems and facilitate remote control and monitoring.
• Measuring Input: Features a 1/5 A measuring input with 50/60 Hz frequency, suitable for a wide range of applications.
• Auxiliary Voltage Range: Operates within an auxiliary voltage range of 60 to 240 V AC/DC, providing versatility across various installations.
• Standard Version with No Cover: Simplifies installation and maintenance without compromising on protection functionality.
• Communication Ports:
  • Front Port: USB connection for easy configuration and monitoring.
  • Rear Port: RS485 interface, supporting communication protocols like IEC 60870-5-103, Modbus RTU, and DNP 3.0 for seamless integration into modern automation systems.
• LED Indicators: 10 LEDs for clear visual status indication and fault monitoring.
• Breaker Control Pushbuttons: Located on the front fascia for easy breaker control and manual operation.

The Siemens 7SR1003-2LA20-2CA0 relay is designed to offer flexible and reliable protection for electrical systems, ensuring the safety and reliability of critical infrastructure. Its advanced communication capabilities and broad voltage range make it ideal for use in a variety of industries, providing seamless integration with modern energy management systems.