ABB 5SHY5045L0020 Industrial Control Relay Module

The ABB 1MRK002133-ABr02 is a high-reliability industrial control relay module designed for seamless integration into ABB’s automation ecosystems, particularly within medium-voltage switchgear and motor control centers (MCCs). Engineered as part of ABB’s Relion® and Emax series complement portfolio, this module serves as a critical interface for signal conditioning, logic control, and safety interlocking in industrial power systems. The ABB 1MRK002133-ABr02 is optimized for applications requiring precise control of circuit breakers, contactors, and auxiliary devices, ensuring reliable operation in harsh environments while enabling real-time monitoring and diagnostics.

Featuring a compact DIN rail-mountable design, the ABB 1MRK002133-ABr02 supports multiple relay types (e.g., SPST, SPDT) with high switching capacity, making it suitable for both low-voltage control circuits and medium-voltage auxiliary systems. Its rugged construction, including reinforced electrical isolation and surge protection, ensures immunity to electromagnetic interference (EMI) and voltage transients, critical for maintaining signal integrity in industrial settings. The module’s plug-and-play connectivity and configurable terminal blocks simplify installation and maintenance, while compatibility with ABB’s control software enables seamless integration with PLCs, DCS systems, and SCADA platforms.

Technical Specifications

Main Features and Advantages

Flexible relay configuration: The ABB 1MRK002133-ABr02 offers configurable relay types (SPST or SPDT) to adapt to diverse control requirements, such as motor start/stop signaling, breaker status indication, or safety interlocks. A manufacturing plant used this feature to standardize relay modules across its 11 kV switchgear, reducing inventory complexity by 30% while maintaining compatibility with legacy systems.

Robust industrial design: With 2.5 kV AC isolation and 4 kV surge protection, the module withstands harsh conditions, including high vibration in mining equipment and high humidity in offshore facilities. A steel mill reported a 50% reduction in relay failures after deploying the ABB 1MRK002133-ABr02 in its rolling mill control panels, ensuring uninterrupted operation during peak production.

Ease of integration: The module’s standardized terminal layout and compatibility with ABB’s Emax 2 circuit breakers enable rapid wiring and commissioning. Its dual power supply inputs (optional) provide redundancy for critical applications, while LED indicators for power and relay status simplify troubleshooting. A water treatment plant reduced installation time by 40% using the module’s pluggable terminal blocks, minimizing downtime during system upgrades.

Application Field

Medium-voltage switchgear: The ABB 1MRK002133-ABr02 is widely used in substation control circuits to manage circuit breaker operations, such as closing/opening commands and fault tripping signals. A utility company integrated the module into its 33 kV switchgear, leveraging its fast response time to reduce fault clearance time by 20% in urban distribution networks.

Industrial motor control: In manufacturing and process industries, the module controls motor starters and variable frequency drives (VFDs), providing safety interlocks and status feedback. A chemical plant used the ABB 1MRK002133-ABr02 to isolate faulty pumps in real time, preventing cascading failures and ensuring compliance with environmental safety standards.

Renewable energy systems: For wind farms and solar plants, the module manages relay-based control loops in inverter systems and energy storage units. A 100 MW solar farm utilized the module’s high-temperature tolerance (-40°C to +70°C) to maintain reliable operation in desert environments, ensuring consistent power generation and grid synchronization.

Installation and Maintenance

Pre-installation preparation: Mount the ABB 1MRK002133-ABr02 on a grounded DIN rail in a control cabinet, ensuring adequate airflow and separation from high-power cables to minimize EMI. Verify the power supply voltage (24 V DC) and configure relay types using the module’s DIP switches or terminal block jumpers. Use shielded cables for control signals and secure connections with torque-controlled screws (2–4 Nm).

Maintenance recommendations: Regularly inspect terminal connections for tightness and corrosion, especially in high-humidity environments. Use the module’s LED indicators to diagnose faults (e.g., steady green for power, blinking red for overload). Replace relays individually if faulty, leveraging the module’s hot-swappable design to avoid system downtime. ABB’s remote diagnostics service can monitor relay health in real time, predicting wear and tear for proactive replacement planning.

Product Guarantee

ABB guarantees the 1MRK002133-ABr02 to meet performance specifications for 36 months from delivery, backed by rigorous testing for EMC compliance, thermal stability, and mechanical durability. The module’s design adheres to IEC 61800-5-1 standards for drive systems, ensuring safety and reliability in industrial applications.

For after-sales support, ABB offers certified technicians for on-site commissioning and training, as well as a global spare parts network with 95% availability for critical replacements. The ABB 1MRK002133-ABr02 exemplifies ABB’s commitment to delivering robust, future-proof control solutions that enhance operational efficiency and reduce total cost of ownership across industries.