Siemens Relay 7SR1004-3LA20-2CA0

The Siemens 7SR1004-3LA20-2CA0 ARGUS Overcurrent Relay is a directional protection relay designed for accurate overcurrent protection in electrical systems. It features advanced functionality and versatile features to meet the needs of modern industrial applications.

Key Features:

• Directional Overcurrent Protection: Provides precise fault protection, responding to overcurrent conditions in a specified direction to ensure reliable and safe system operation.
• Size 4 Molded Case: Compact and space-efficient design that ensures easy installation in various protection and control systems.
• Current and Voltage Transformers (CT & VT): Supports 4 current transformers (CT) and 3 voltage transformers (VT) for precise fault monitoring and accurate measurements.
• Measuring Input: Equipped with a 1/5 A measuring input with 50/60 Hz frequency for enhanced performance across different applications.
• Auxiliary Voltage Range: Operates within an auxiliary voltage range of 60 to 240 V AC/DC, providing compatibility across various system configurations.
• Binary Inputs/Outputs: Features 9 binary inputs (BI) and 6 binary outputs (BO) for seamless integration with other systems and devices.
• Communication Ports:
  • Front USB Port: For easy configuration and communication.
  • Rear RS485 Interface: Supports communication protocols like IEC 60870-5-103, MODBUS RTU, and DNP 3.0, allowing for efficient remote monitoring and control.
• LED Indicators: Includes 10 LEDs for clear visual indication of status and fault conditions.
• Breaker Control Pushbuttons: Integrated on the front fascia, enabling manual control and operation of the breaker.
• Standard Version (No Cover): Simplifies installation without compromising protection functionality, offering easy access for maintenance.

The Siemens 7SR1004-3LA20-2CA0 ARGUS Overcurrent Relay is designed to offer comprehensive protection for electrical systems. Its advanced features, including a wide auxiliary voltage range, communication support, and flexible configuration options, make it an ideal solution for industries requiring reliable overcurrent protection and control.