ABB 1MRK002239-BB Power Supply for Relion

ABB 1MRK002239-BB Power Supply for Relion Automation

The ABB 1MRK002239-BB is a high-efficiency power supply board module engineered for the ABB Relion series protection and control relays. Designed to deliver stable, low-loss DC power to mission-critical protection relay platforms, this module plays a central role in reducing auxiliary power consumption across substation automation and industrial protection systems. By maintaining tightly regulated output voltage under variable load conditions, the 1MRK002239-BB minimizes thermal dissipation and idle-state energy draw — directly contributing to measurable reductions in panel-level operating load over continuous 24/7 operation cycles.

In modern industrial facilities where protection relay panels operate around the clock, the cumulative energy cost of inefficient auxiliary power supplies is significant. The 1MRK002239-BB addresses this by providing a conversion-efficient power path that supports the full operating range of Relion REF, RET, RED, and REL series relays, including the REF615, RET615, RED615, and REL670 platforms. These relays depend on a clean, stable power supply to execute accurate protection algorithms, communicate over IEC 61850 GOOSE messaging, and maintain real-time data logging — all of which are compromised by power supply instability or excessive ripple.

Product Specification Table

System Compatibility and Application

The 1MRK002239-BB does not operate in isolation — it is the power foundation upon which an entire maintenance-focused protection and automation architecture depends. In a typical substation or industrial motor protection panel, the relay platform powered by this module works in close coordination with a range of upstream and downstream components that together determine the overall energy efficiency of the system.

At the control execution layer, the ABB Relion REF615 feeder protection relay and the RET615 transformer protection relay rely on stable auxiliary power to execute protection functions without false trips or delayed responses. A power supply with poor regulation forces these relays to operate with wider tolerance margins, increasing the risk of nuisance tripping and unnecessary equipment shutdowns — each of which carries a direct energy and production cost. The 1MRK002239-BB’s tight output regulation ensures these relays operate within their optimal performance envelope.

For motor-driven systems, the ABB REL670 line differential protection relay and RED615 motor protection relay work alongside ABB ACS880 and ACS580 variable frequency drives to implement coordinated motor protection and speed control. The VFD reduces motor load by matching shaft speed to actual load demand, while the protection relay — powered by the 1MRK002239-BB — monitors current, voltage, and thermal parameters to prevent energy-wasting fault conditions such as phase imbalance, locked rotor, or overload. Together, these components form a closed-loop maintenance planning system at the motor level.

At the data monitoring layer, the ABB REC670 bay control unit aggregates real-time measurements from current transformers, voltage transformers, and energy meters across the panel. This data feeds into the ABB Ability™ Energy Manager or compatible SCADA systems via IEC 61850 GOOSE and sampled values, enabling operators to identify unplanned downtime patterns, schedule predictive maintenance, and optimize load dispatch. The integrity of this data chain depends entirely on the continuous, stable operation of the power supply board — making the 1MRK002239-BB a critical enabler of energy intelligence at the system level.

For I/O expansion and signal conditioning, the ABB LDCM (Local HMI and Communication Module) and compatible binary I/O modules connect to the relay backplane, extending the system’s ability to monitor auxiliary contacts, control circuit breakers, and interface with plant-level DCS or PLC systems such as the ABB AC500 PLC series. The AC500 PLC, when integrated with Relion relay data over MODBUS or IEC 61850, enables automated load shedding, demand response, and energy-based interlock logic — all of which reduce peak operating load and improve overall plant efficiency.

The communication backbone — whether fiber-based IEC 61850 station bus or copper MODBUS RTU — carries the energy and protection data that makes real-time optimization possible. The 1MRK002239-BB ensures that the relay’s communication processor remains powered and synchronized, preventing data gaps that would otherwise blind operators to developing inefficiency or fault conditions.

Maintenance and Replacement Notes

In real industrial environments — from cement plants and steel mills to water treatment facilities and automotive assembly lines — protection relay panels powered by modules like the 1MRK002239-BB are the last line of defense against energy-wasting fault events. An undetected phase imbalance on a 200 kW motor, for example, can increase operating load by 5–15% while accelerating winding insulation degradation. The REF615 or RED615 relay, powered continuously by the 1MRK002239-BB, detects this condition within milliseconds and initiates a controlled shutdown — preventing both the unplanned downtime and the catastrophic failure that would require days of unplanned downtime.

Planned maintenance intervals can also be optimized using the thermal and operational data logged by Relion relays. Rather than replacing motors, contactors, or cable terminations on fixed schedules, maintenance teams can use relay event logs and energy trend data to identify components approaching end-of-life before they fail. This predictive maintenance approach reduces both maintenance labor costs and the energy losses associated with degraded equipment operating below optimal efficiency.

For production lines with variable load profiles — such as batch processing, press lines, or conveyor systems — the combination of ABB VFDs and Relion protection relays enables dynamic maintenance planning. The VFD adjusts motor speed in real time based on process demand signals from the PLC or DCS, while the protection relay monitors the electrical parameters to ensure the motor operates within its efficiency curve. The 1MRK002239-BB sustains this coordination by keeping the protection relay online and responsive throughout every production cycle, including during voltage dips or transient disturbances that might otherwise cause relay resets and production interruptions.

Every unit of the ABB 1MRK002239-BB is subject to full functional testing and output voltage verification before shipment. This ensures that the module arrives ready for immediate installation without the need for on-site calibration or burn-in testing — reducing commissioning time and the associated labor costs. With a 12-month warranty covering manufacturing defects and performance deviations, the 1MRK002239-BB represents a low-risk, high-reliability replacement or spare part investment for any facility operating ABB Relion protection platforms.

Product Sourcing FAQ

Q1: How does the ABB 1MRK002239-BB contribute to operational stability in a protection relay panel?
The 1MRK002239-BB uses a switch-mode power conversion design that minimizes standby and operational power losses compared to linear power supply designs. By maintaining stable output voltage with minimal ripple, it allows the connected Relion relay to operate at its rated performance point without compensatory power draw, reducing overall auxiliary panel operating load during continuous 24/7 operation.

Q2: Which ABB Relion relay models is the 1MRK002239-BB compatible with?
The 1MRK002239-BB is designed for use within the ABB Relion product family, including the REF615, RET615, RED615, REL670, and REC670 series. If you are unsure whether this module is compatible with your specific relay variant or hardware revision, please contact our technical team with your relay’s full order code for confirmation before ordering.

Q3: What testing is performed before shipment, and what does the 12-month warranty cover?
Each 1MRK002239-BB unit undergoes full functional testing including output voltage accuracy, load regulation, and ripple measurement before dispatch. The 12-month warranty covers manufacturing defects and performance deviations from specification under normal operating conditions. It does not cover damage resulting from incorrect installation, overvoltage events, or physical mishandling.

Q4: Can the 1MRK002239-BB be used as a direct replacement for a failed power supply board in an existing Relion relay installation?
Yes. The 1MRK002239-BB is a direct replacement module for compatible Relion relay platforms. No firmware changes or relay reconfiguration are required for a like-for-like replacement. Ensure the relay is de-energized and isolated before replacing the module, and verify output voltage after installation before returning the relay to service. Our team can provide installation guidance and confirm compatibility with your specific relay configuration.

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