CBS-400B: Programmable Residual Current Relay for Protection and Monitoring

The CBS-400B from CIRCUTOR is a high-performance residual current relay designed for the protection and monitoring of electrical installations. With 4 fully independent and programmable channels, this device offers a versatile and precise solution for detecting ground leakage, contributing to the safety and energy efficiency of your system. Its robust design and advanced functions make it an essential tool for electrical sector professionals.

Technical Specifications

• Relay Type: Residual Current
• Number of Channels: 4 (fully independent)
• Standard: IEC 62020 (compatible with WGB series)
• Load Type: Type B (IEC 60755)
• Current Measurement: Alternating, continuous or mixed
• Display: High-contrast backlit (indicates fault in red)
• Communication: Integrated RS-485 (Modbus)
• Output: Relay (up to 4 channels)
• Additional Functions: Pre-alarm, Event Log, Remote Control
• Current Transformer: Compatible with the WGB series

Advantages

• Comprehensive Protection: Monitors and protects against ground leakage in multiple circuits simultaneously.
• Flexibility: Individual programming of each channel allows adaptation to various protection needs.
• Precise Diagnostics: The real-time display provides instant information about leakage current.
• Advanced Communication: The integration of RS-485 (Modbus) facilitates integration into energy management systems.
• Reliability: Robust design for reliable operation in industrial environments.
• Ease of Use: Intuitive interface and simple programming.

Applications and Recommended Uses

The CBS-400B is ideal for protection and monitoring in a wide range of applications, including:

• Variable Frequency Drives: Protection against ground leakage in motors controlled by drives.
• UPS Systems: Monitoring of leakage current in uninterruptible power supplies.
• Photovoltaic Installations: Protection of inverters and solar panel systems.
• Electric Vehicle Charging Stations: Ensures safety in electric vehicle charging.
• Active Filters: Monitoring of leakage current in harmonic filters.

Need more information?

Discover how the CBS-400B can improve the safety and efficiency of your electrical installations. Visit adjditec.com for detailed technical specifications, user manuals and configuration options.