- Provides internal power conversion for compatible ABB protection equipment
- Uses the documented 90–250 V DC auxiliary-supply range
- Requires complete BB R03 identity matching before replacement
1MRK002239-BBR03 is an ABB plug-in power supply module for compatible protection and control assemblies.
It accepts station auxiliary DC within its documented high-voltage range and supplies the internal electronics through the host assembly.
Selection depends on the complete order code, R03 build, host slot, connector, station voltage, and the approved equipment bill of material.
Availability, condition, price, and shipping time for 1MRK002239-BBR03 are confirmed during quotation.
ABB 1MRK002239-BBR03 Power Supply Module Manuals, Links
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
- Measure and identify the station auxiliary supply before selecting the module
- Confirm that the approved host documentation specifies the BB high-voltage variant
- Check polarity and upstream protection before reconnecting the supply
- Record the complete 1MRK article and R03 suffix from the installed label
- Compare slot, connector, and backplane relationship with the host bill of material
- Do not treat a mechanically similar low-voltage module as equivalent
- Inspect connector seating and station-DC protection before energizing
- Observe host startup indications and power-supply diagnostics
- Stop commissioning if the measured supply or module identity differs from the approved design
- Auxiliary power conversion in ABB substation protection equipment
- Internal supply for compatible bay-control and protection assemblies
- High-voltage station-DC powered protection and control installations