+86 18030182217
+86 18030182217
sandydcsplc@gmail.com
Description
Product Overview
ABB MRK000284-ABR02 is a high-performance protection relay module from ABB Group, part of the MRK series industrial control and protection equipment.
It occupies a key position in ABB’s power system protection architecture, built specifically to monitor, analyze, and safeguard critical equipment in industrial power systems against electrical faults. As a multifunctional protection device, this module collects real-time electrical data such as current and voltage, runs advanced protection algorithms, and quickly triggers protective measures when anomalies are detected. In this way, it keeps power systems operating safely and stably.
Even in complex industrial power environments, the ABB MRK000284-ABR02 delivers outstanding protection accuracy and consistent system reliability.
Using advanced digital signal processing technology and industrial-grade components, the module offers strong anti-interference performance and excellent environmental adaptability, allowing it to run steadily in demanding working conditions. It supports a full set of protection functions: overcurrent, undervoltage, phase sequence monitoring, and phase unbalance detection, and integrates smoothly with ABB’s Relion series protection platform.
Its modular design supports flexible system configuration and simplified maintenance, making it a reliable technical foundation for substation automation, motor protection, and distribution system monitoring.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | MRK000284-ABR02 |
| Manufacturer | ABB Group |
| Product Type | Protection Relay Module |
| Rated Voltage | 110–240V AC/DC (wide range input) |
| Operating Frequency | 50/60Hz (dual frequency adaptive) |
| Measurement Accuracy | ±0.5% (full range) |
| Response Time | <20ms (typical protection action time) |
| Operating Temperature | -25°C to +70°C (industrial standard range) |
| Storage Temperature | -40°C to +85°C |
| Protection Rating | IP40 (control cabinet installation standard) |
| Installation Method | DIN rail mounting (standard 35mm rail) |
| Communication Interface | RS-485 Modbus RTU (optional) |
| Output Contacts | 2×C/O (changeover contacts, 8A rated current) |
| Contact Material | Silver alloy (AgNi, cadmium-free) |
| Mechanical Life | 10⁷ operations (under rated load) |
| Electrical Life | 10⁵ operations (under rated load) |
| Certification Standards | IEC/EN 61810-1, cULus, CCC |
Main Features and Advantages
The real strength of the ABB MRK000284-ABR02 lies in its comprehensive protection capabilities and flexible system integration.
It uses advanced digital signal processing algorithms to accurately monitor key three-phase power parameters: phase voltage, phase current, phase sequence, and phase balance. Its intelligent protection logic can tell the difference between temporary disturbances and real faults, avoiding unnecessary trips while still acting fast when danger occurs.
The wide-range voltage design — 110–240V AC/DC — allows it to adapt to grid standards around the world, simplifying inventory and project planning.
Built for industrial durability, the module uses rugged electronic components and a sturdy mechanical structure. It operates reliably from -25°C to +70°C, performing consistently even in harsh environments.
It features full electrical isolation and strong anti-interference performance, using multi-layer PCBs and electromagnetic shielding to maintain measurement accuracy and protection reliability in high-interference areas. Its compact size and DIN‑rail mounting simplify integration, saving cabinet space and reducing installation time, while the IP40 rating provides effective dust protection.
The module also brings intelligent monitoring to the field. Integrated LED indicators clearly show power status, protection action, and fault information at a glance, making on-site commissioning and maintenance much more convenient.
It supports real-time three-phase balance monitoring, detecting unbalance caused by uneven loads and issuing early warnings to prevent motor overheating and damage. The built-in fault storage function records recent events — including fault type, time, and related data — supporting fast fault analysis and predictive maintenance. The module is fully supported by ABB’s global technical network, ensuring long-term firmware updates, service availability, and complete lifecycle support.
Application Areas
ABB MRK000284-ABR02 brings real value across industrial power systems and automation.
In motor protection, it monitors three-phase motor operation, providing overload, phase loss, and phase unbalance protection to prevent electrical damage. Its high-precision measurement makes it ideal for critical process equipment such as compressors, pumps, fans, and conveyors, where reliable motor performance directly affects production continuity and product quality.
In distribution systems, it acts as a voltage monitor and protector, checking incoming power quality in distribution cabinets and providing overvoltage, undervoltage, and phase sequence protection. It is widely used in factory power systems, commercial building supplies, and infrastructure installations, enabling real-time power quality monitoring and fault warning.
In renewable energy systems, it monitors grid-connection voltage for solar inverters and wind turbines, ensuring compliance with grid standards and protecting generation equipment from grid abnormalities.
It also plays an important role in building automation: HVAC protection, elevator control, and emergency power management in smart buildings. It monitors power quality for critical devices and triggers alarms or protective actions when voltage issues appear, keeping building systems safe.
For retrofit projects, it often replaces older electromechanical relays, adding digital protection, communication, and self-diagnostics while remaining compatible with existing control systems — no complex reconstruction required.
Related Products
MRK000284-ABR01: Basic version with core overcurrent and undervoltage protection.
MRK000284-ABR03: Enhanced version with phase sequence monitoring and advanced logic for complex applications.
MRK000284-ABR04: Communication-enhanced model with Ethernet and IEC 61850 support.
MRK000284-ABR05: SIL 2 certified safety module for safety-critical systems.
MRK000284-ABR06: Extended version with temperature monitoring and advanced diagnostics.
MRK000284-BBR02: DC power system protection variant.
MRK000284-CBR02: Compact version for space-limited cabinets.
REF615: Microprocessor-based protection device for complete power system protection.
CM-SFS.2x: Current window monitoring relay for precise current protection.
CM-ESS.xx: Voltage monitoring relay for full power quality supervision.
Installation and Maintenance
Pre‑installation Preparation
Before installing the ABB MRK000284-ABR02, verify that the control cabinet environment meets IP40 protection requirements: clean, dry, and free of conductive dust. Prepare appropriate DIN‑rail mounting and wiring tools, and confirm the supply voltage is within the 110–240V AC/DC range with correct polarity. Pay close attention to three-phase wiring and phase sequence.
Follow ABB installation guidelines: mount the module vertically for good heat dissipation, leave enough space around it for air circulation, and keep it away from high-current conductors and strong interference sources.
Maintenance Recommendations
Daily maintenance for the MRK000284-ABR02 is simple: regularly check operating status, keep heat dissipation surfaces clean, and inspect wiring connections. A full inspection every six months is good practice, including temperature checks, LED status verification, protection function testing, and parameter review.
Diagnostic data and event records can be accessed via the LED interface or ABB configuration software, allowing quick troubleshooting based on fault information.
After long‑term storage, perform a complete functional test before returning the module to service, and confirm protection parameters and firmware are up to date. Always disconnect all power sources before replacement and follow recommended procedures. Back up configuration files to avoid data loss or system damage. Regularly check the connection and accuracy of voltage and current transformers to maintain reliable protection performance.
Product Warranty
ABB provides comprehensive quality assurance and after‑sales support for the MRK000284-ABR02 protection relay module.
The product is manufactured to strict international standards and carries multiple certifications including CE, cULus, and CCC, ensuring dependable performance within rated operating conditions.
ABB offers a 12‑month warranty starting from the date of delivery. During this period, failures caused by material or manufacturing defects will be repaired or replaced free of charge, with fast response for critical system outages.
Users benefit from ABB’s complete technical support system: lifetime backward‑compatible firmware updates, 24/7 technical hotline with remote diagnostics, on-site emergency support in major industrial areas, and regular calibration services.
Every MRK000284-ABR02 module undergoes strict environmental testing — including temperature cycling, vibration, and electrical performance verification — and 100% functional validation before shipment. This ensures long-term reliability and protection accuracy in real industrial environments, delivering power protection solutions customers can trust.
Contact info
- WhatsApp: +86 18030182217
- Email: sandydcsplc@gmail.com
- Phone: +86 18030182217
- Wechat: +86 18030182217
- Website: www.xiongbaparts.com
