Differential Multipoint Monitoring Relay CBS-400A (P12A71) – Circutor

The CBS-400A from Circutor is a high-performance type A multipoint differential monitoring relay, designed to ensure the safety and continuity of electrical supply in industrial and commercial installations. Its compact design and ability to monitor multiple circuits independently make it an efficient and cost-effective solution for protecting people, equipment, and electrical infrastructure. Equipped with a multi-line LC display and RS485 (Modbus RTU) communication, the CBS-400A offers precise monitoring and easy integration into SCADA systems.

Technical Specifications

• Relay Type: Type A Multipoint Differential
• Number of Channels: 4
• Current Transformer Inputs: 4
• Relay Outputs: 4 (for tripping) + 1 (pre-alarm)
• Display: Multi-line LC
• Communication: RS485 (Modbus RTU)
• Measurement: True RMS (TRMS)
• Immunity: Super-immunized with high-frequency filtering
• Dimensions: Equivalent to 3 modules
• Product Code: P12A71
• Brand: Circutor

Advantages

• Comprehensive Protection: Protects people, equipment, and the electrical installation.
• Space and Cost Savings: Groups the monitoring of multiple circuits into a single unit.
• Precise Monitoring: True RMS measurement for accurate detection of leakage currents.
• SCADA Integration: Modbus RTU communication for centralized and remote management.
• Early Warning: The pre-alarm output allows for preventive maintenance and avoids unexpected shutdowns.
• High Immunity: Resistance to transients and harmonics for reliable operation.
• Compact Design: Facilitates installation in electrical panels with limited space.

Applications and Recommended Uses

The CBS-400A is ideal for a wide range of applications, including:

• Protection panels with multiple loads or lines to be protected.
• Installations where continuity of supply is critical (hospitals, data centers, etc.).
• Pumping systems, mining, petrochemical industry, and railway applications.
• IT systems in operating rooms where supply interruption is unacceptable.
• Preventive maintenance of electrical installations.

More Information

Need more information about the multipoint differential monitoring relay CBS-400A? Visit adjditec.com to download technical manuals, catalogs, and obtain detailed information about its specifications and performance. Contact us for a personalized quote and discover how the CBS-400A can improve the safety and efficiency of your electrical installation.