ABB 1MRK002239-BBr01 Power Supply Module

ABB 1MRK002239-BBr01 Power Supply Module for Relion Protection Relays

The ABB 1MRK002239-BBr01 Power Supply Module delivers mission-critical power conditioning for Relion series protection and control relays deployed in electrical substations, power generation facilities, and industrial distribution networks. Engineered with wide input voltage range, galvanic isolation, and redundancy support, this power supply ensures uninterrupted operation of protective relaying systems that safeguard high-voltage equipment and maintain grid stability across utility and industrial power systems worldwide.

Core Technical Specifications

• Input Voltage Range: 48-250 VDC / 110-250 VAC wide range operation
• Output Voltage: Multiple regulated DC outputs for relay circuits
• Output Power: Sufficient capacity for complete relay system operation
• Efficiency: >85% typical across full load range
• Isolation: Galvanic isolation between input, output, and chassis
• Redundancy Support: Parallel operation with automatic load sharing
• Overvoltage Protection: Input surge suppression and output regulation
• Operating Temperature: -40°C to +70°C extended industrial range
• Humidity Tolerance: 5-95% RH non-condensing
• Compliance Standards: IEC 61850, IEEE 1613, IEC 60255
• MTBF: >200,000 hours for high reliability applications
• Diagnostic Features: Power good signal, fault indication, status LEDs

Advanced Power Management Features

The 1MRK002239-BBr01 incorporates sophisticated power conditioning and protection capabilities essential for mission-critical substation automation applications:

• Wide Input Voltage Acceptance: Universal input design accommodates both DC station battery systems (48-250 VDC) and AC auxiliary supplies (110-250 VAC) without configuration changes, simplifying inventory management
• Galvanic Isolation Architecture: Complete electrical isolation between input power source, output circuits, and protective earth prevents ground loops and enhances electromagnetic immunity in high-noise substation environments
• Redundant Power Configuration: Supports N+1 redundancy through parallel operation with automatic load sharing and seamless failover, ensuring continuous relay operation during power supply maintenance or failure
• Transient Immunity: Integrated surge suppression withstands voltage spikes from switching operations, lightning strikes, and fault conditions per IEC 61000-4 immunity standards
• Thermal Management: Convection cooling design eliminates fan-related failures while maintaining operation across -40°C to +70°C temperature extremes common in outdoor substations
• Diagnostic Intelligence: Built-in monitoring provides power good signals, fault alarms, and status indication for integration with SCADA systems and relay self-diagnostics

Substation Automation Applications

This power supply module addresses critical power conditioning requirements across diverse electrical protection and control applications where relay availability directly impacts grid reliability and equipment protection:

• Transmission Line Protection: Powers distance relays, differential protection, and directional overcurrent relays safeguarding high-voltage transmission corridors from fault conditions and system disturbances
• Transformer Protection Systems: Energizes differential, restricted earth fault, and Buchholz relays protecting power transformers in substations from internal faults, overloads, and insulation failures
• Generator Protection Schemes: Supplies power to generator differential, loss-of-excitation, and reverse power relays in power plants ensuring safe operation and grid synchronization
• Feeder Automation: Supports overcurrent, earth fault, and recloser control relays in distribution feeders enabling automatic fault isolation and service restoration
• Bus Protection Applications: Powers high-speed differential relays protecting substation busbars from short circuits with sub-cycle fault clearing times
• Motor Protection Systems: Energizes thermal overload, phase unbalance, and locked rotor protection relays for critical industrial motors and drives
• Capacitor Bank Control: Supplies power to reactive power control relays managing automatic capacitor switching for voltage regulation and power factor correction

Relion System Integration

The 1MRK002239-BBr01 integrates seamlessly within ABB's Relion family of protection and control products, providing stable power to relay processors, communication modules, I/O circuits, and human-machine interfaces. The module mounts in standard relay panels with DIN rail or panel mounting options, connecting to station battery or auxiliary AC supplies through industrial-grade terminals rated for substation vibration and temperature cycling.

Engineering Design Excellence

• Hot-Swappable Operation: Redundant configurations allow module replacement during system operation without interrupting protective relay functions or losing protection coverage
• Conformal Coating Protection: Circuit board coating provides resistance to moisture, dust, salt spray, and corrosive gases in harsh substation environments
• EMC Compliance: Meets stringent electromagnetic compatibility requirements for installation in high-voltage switchyards with intense electromagnetic fields from switching operations
• Seismic Qualification: Mechanical design withstands seismic events per IEEE 693 requirements for critical infrastructure applications in earthquake-prone regions
• Compact Form Factor: Space-efficient design minimizes panel real estate requirements in crowded relay panels and retrofit applications
• Long Service Life: Industrial-grade components and conservative thermal design ensure >15-year operational life matching relay system lifecycles

Installation & Commissioning

The module installs via DIN rail mounting or panel screws with connection to station battery or AC auxiliary supply through screw terminals rated for 2.5mm² wire. Installation involves verifying input voltage compatibility, connecting output power to relay system, and confirming proper grounding for isolation integrity. Commissioning includes input voltage verification, output voltage measurement, and functional testing of redundancy logic—typically completed in 15-20 minutes per module by qualified substation technicians.

Quality Standards & Compliance

Manufactured under ISO 9001:2015 quality management systems with complete component traceability and environmental stress screening. Complies with IEC 61850 substation automation standards, IEEE 1613 environmental specifications for substation equipment, and IEC 60255 protective relay standards. Meets CE electromagnetic compatibility directives and UL recognition for industrial control equipment. Suitable for installation in Class I Division 2 hazardous locations when properly configured.

Related Products for Complete Substation Solutions

Why Choose Industrial Control Hub?

We specialize in delivering factory-certified authentic ABB Relion components with comprehensive technical documentation, application engineering support, and expedited global logistics. Our power systems specialists provide pre-sale consultation to ensure optimal power supply configuration, redundancy architecture design, and system integration for your specific substation automation requirements. Post-sale support includes commissioning assistance, testing procedures, and lifecycle maintenance planning to maximize system reliability and regulatory compliance.

Product Authenticity: Factory-certified genuine ABB components with serialized traceability and anti-counterfeit verification
Technical Expertise: Certified substation automation engineers for system design and protection coordination
Express Logistics: Priority shipping to critical utility and industrial facilities with customs documentation
Warranty Coverage: Comprehensive manufacturer-backed warranty with extended protection and rapid replacement options
Documentation Suite: Complete technical manuals, wiring diagrams, test certificates, and compliance declarations

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