Description
Product Overview
The ABB 1MRK002239-BBR01 is a power supply module associated with ABB Relion 670 series protection and control intelligent electronic devices (IEDs). It is also referenced by the hardware designation SR91C790.
The module provides regulated internal power for compatible protection relay electronics. It is intended for use in electrical substation protection systems and power system control equipment, supporting the operation of the relay’s internal processing and associated circuitry.
Before ordering or replacing this module, verify the complete part number, input voltage configuration, hardware revision, and compatibility with the installed ABB protection relay. Similar-looking power supply modules may have different electrical ratings or mounting requirements.
Product Datasheet
| Parameter | Details |
|---|---|
| Brand | ABB |
| Model | 1MRK002239-BBR01 |
| Hardware Designation | SR91C790 |
| Series | ABB Relion 670 Protection and Control |
| Product Name | Power Supply Module |
| Product Type | Internal power conversion and supply module |
| Application | Compatible ABB protection and control IEDs |
| Place of Manufacture / Origin | Sweden is indicated in some supplier records; verify the unit label |
| Product Status | Confirm whether the supplied unit is new, open-box, used, or refurbished |
| Dimensions | Exact dimensions should be confirmed against the installed module |
| Weight | Approximately 0.54 kg reported by a supplier; verify the actual unit |
| Power Requirements | Input voltage depends on the exact hardware variant; verify the nameplate and ABB documentation before energizing |
| Output | Regulated internal DC supply rails; exact ratings should be confirmed from the applicable documentation |
| Discontinued | Current lifecycle status should be confirmed with ABB |
Fault Troubleshooting and Common Questions
Q1: What is the purpose of the ABB 1MRK002239-BBR01?
It supplies regulated internal power to compatible ABB protection and control equipment, supporting the operation of the relay’s electronic circuits.
Q2: Which equipment is it associated with?
Supplier references associate it with ABB Relion 670 series protection and control IEDs. Confirm the exact relay model and hardware configuration before ordering.
Q3: What should I check if the protection relay fails to start?
Check the incoming supply against the module’s rated input, inspect connectors and the module seating, and review relay diagnostics. If the supply is correct but the relay remains inoperative, qualified personnel should test the power supply and associated hardware.
Q4: Can this module be replaced by another 1MRK002239 variant?
Not without checking the suffix and electrical specifications. Different variants may have different input-voltage requirements. Compare the complete ordering code and the relay’s hardware documentation before substitution.
Q5: Does this module provide communication or protection logic?
Its primary function is power supply. Protection algorithms, communication protocols, and external I/O functions are handled by the compatible protection relay and its other modules.
Safety Precautions
- Isolate the auxiliary supply before removing or installing the module.
- Verify the input-voltage rating from the actual module label and approved documentation.
- Use electrostatic discharge protection when handling exposed circuit boards.
- Do not insert or remove the module while energized unless the equipment documentation explicitly permits it.
- Have qualified protection-system personnel perform replacement and commissioning.
Recommended Related ABB Models
The following are related ABB protection, control, and power-supply catalog references. They are not guaranteed direct replacements for 1MRK002239-BBR01; confirm compatibility before purchase.
- 1MRK002239-AA — ABB power supply module variant specified for 24–60 V DC applications; verify the complete configuration.
- 1MRK002239-AB — ABB power supply module variant with a specified 24–60 V DC rating.
- RED670 — Line differential protection IED for electrical power systems.
- REC670 — Bay control IED for substation automation applications.
- REG670 — Generator protection IED for power generation systems.
- REL670 — Transmission line distance protection IED.
- RET670 — Transformer protection and control IED.
- REB670 — Busbar protection IED for electrical substations.
- REX640 — Protection and control relay platform for power distribution applications.
- REF615 — Feeder protection and control relay.
- REM615 — Motor protection and control relay.
- RET615 — Transformer protection and control relay.
- RED615 — Line differential protection relay.
- REF620 — Feeder protection and control IED.
- REC615 — Bay control and protection IED.
Confirm the full ordering code, input-voltage rating, relay model, and hardware revision before selecting a replacement power supply.
