Product Overview

The ABB 1MRK000167-ACr11 Printed Circuit Board is an industrial electronic circuit board designed for integration into compatible ABB protection and control equipment. It belongs to the ABB 1MRK000167 hardware family, which includes processing-related electronic assemblies used in industrial automation and electrical protection applications.

Printed circuit boards are essential components in modern industrial control equipment. They provide the physical platform for electronic components, signal connections, and internal circuitry. Depending on their design and position within the host equipment, these boards may support processing, signal handling, internal communication, or other equipment-specific functions.

The 1MRK000167-ACr11 is an internal hardware assembly rather than a standalone automation controller. Its operation depends on the host equipment, electrical connections, associated modules, and the system’s hardware and firmware configuration.

The complete model number is important when identifying this product. The suffix ACr11 distinguishes this particular version from other 1MRK000167 variants. Even when two circuit boards share the same basic product-family number, their hardware revisions, component layouts, connector arrangements, and supported functions may differ.

For industrial maintenance teams, accurate identification is particularly important when replacing electronic boards in established protection and control installations. Selecting a board with an incorrect revision or configuration can result in installation incompatibility or unexpected system behavior.

Technical Specifications

Note: Electrical ratings, connector assignments, firmware requirements, and exact host-system compatibility should be confirmed using the applicable ABB documentation for the installed equipment.

Function and Working Principle

The ABB 1MRK000167-ACr11 is designed to operate as part of a larger electronic system. Its circuit-board architecture provides the electrical and physical connections required for the functions assigned to it by the host equipment.

Because the detailed function of the ACr11 revision cannot be independently established from the available product information, the following sections explain the general roles of industrial control and protection PCBs without attributing unverified specifications to this particular board.

1. Electronic Circuit Integration

A printed circuit board provides a structured platform for mounting electronic components and connecting them through conductive tracks.

In industrial equipment, these components may include integrated circuits, resistors, capacitors, connectors, and other electronic devices. Their arrangement is designed to support the functions of the host system.

The PCB also provides mechanical support and organized electrical connections, allowing the electronic assembly to be installed within a designated equipment enclosure.

2. Internal Signal Handling

Industrial protection and control equipment must process information from different parts of a system. Depending on the board’s assigned function, a PCB may participate in signal conditioning, internal signal routing, or communication between electronic assemblies.

The exact signal-processing responsibility of the 1MRK000167-ACr11 should be confirmed against its host equipment documentation.

3. Processing and Control Coordination

Some industrial electronic boards support processing-related functions within a larger control architecture. They may work alongside other processing assemblies, interface modules, and communication components.

The 1MRK000167 product family includes processing-related hardware variants. However, the specific role of the ACr11 revision should not be assumed to be identical to another suffix within the same family.

4. Hardware-Level System Integration

A PCB does not normally operate independently in an industrial protection or automation installation. It relies on the host equipment to provide the required power, connectors, mechanical mounting, and operating environment.

Correct integration ensures that the board can operate as intended within the complete equipment architecture.

5. Equipment Status and Reliability

The reliability of an electronic board depends on component condition, electrical stability, temperature, contamination, and mechanical integrity.

Maintaining the surrounding equipment and following the correct installation procedures can help reduce the risk of electronic failures.

Role in Industrial Control and Protection Systems

The ABB 1MRK000167-ACr11 may be used as an internal electronic component within compatible ABB protection and control equipment. Its value is therefore related to the operation and maintenance of the complete host system.

Protection Equipment Integration

Industrial protection systems monitor electrical equipment and help identify abnormal operating conditions. Depending on the host architecture, internal electronic boards can contribute to the processing and coordination functions required by the protection device.

A PCB replacement should always preserve the hardware configuration and functionality required by the original protection installation.

Control System Integration

Industrial control systems coordinate equipment operation through electronic controllers, communication interfaces, and other hardware components.

A dedicated circuit board can form part of this architecture by providing the electronic circuitry required for its assigned function. The exact integration method depends on the host equipment and its internal design.

Electrical Substation Applications

Substations use protection and control equipment to monitor electrical circuits, manage protection functions, and coordinate switching operations.

Internal electronic assemblies are important parts of these systems. When maintaining an existing ABB installation, the complete board number and hardware revision should be checked before replacement.

Industrial Equipment Maintenance

For maintenance departments, model-specific PCBs provide a way to replace an individual electronic assembly instead of replacing an entire equipment unit, provided that the manufacturer permits the replacement and the correct hardware is available.

This can help support the maintenance of established installations and reduce unnecessary equipment changes.

Industrial Applications

The 1MRK000167-ACr11 is intended for compatible ABB equipment. The following application areas describe the broader industrial environments in which ABB protection and control hardware may be used. They should not be interpreted as a verified list of specific host models for this board.

1. Electrical Power Distribution

Power distribution installations use protection and control equipment to monitor electrical circuits and coordinate system operation.

Electronic circuit boards within this equipment provide the internal hardware required for their designated functions.

2. Substation Automation

Substation automation systems combine protection devices, control equipment, monitoring interfaces, and communication infrastructure.

Model-specific electronic assemblies can form part of the internal hardware architecture of these systems. Correct identification is important when maintaining older equipment.

3. Industrial Power Systems

Manufacturing facilities often operate transformers, switchgear, motors, and distribution equipment that require coordinated protection and monitoring.

Electronic boards installed in compatible protection devices contribute to the overall system architecture.

4. Industrial Control Cabinets

Control cabinets contain electronic modules, power supplies, terminal assemblies, and other equipment required for industrial operation.

A replacement PCB must match the original equipment’s mounting arrangement, connectors, and hardware requirements.

5. Equipment Modernization and Maintenance

Industrial facilities frequently maintain equipment over long operating periods. During maintenance, individual electronic assemblies may need to be inspected, repaired, or replaced.

The 1MRK000167-ACr11 can be considered for a replacement project when the original equipment documentation confirms that this exact version is required.

Installation and System Integration

Proper handling and installation are essential for industrial electronic circuit boards. An incorrect installation can damage sensitive components or affect the operation of the host equipment.

1. Verify the Complete Part Number

Before installation, check the full identification:

ABB 1MRK000167-ACr11

Do not rely only on the 1MRK000167 base number. The suffix is part of the product identification and should be compared with the original board.

If the existing unit has a different revision, verify interchangeability through the relevant ABB documentation before proceeding.

2. Check the Host Equipment

Identify the equipment in which the board is installed. Confirm the host model, hardware configuration, mounting position, and applicable service documentation.

The board should only be installed in an equipment configuration designed to support it.

3. Follow Electrostatic Discharge Precautions

Electronic circuit boards can be sensitive to electrostatic discharge. Use appropriate ESD protection when handling, inspecting, transporting, or installing the board.

Recommended practices include:

• Use a suitable grounded ESD wrist strap.
• Handle the board by its edges.
• Avoid touching exposed electronic components and connector contacts.
• Store the board in antistatic packaging.
• Work in an appropriate ESD-controlled environment.

4. Inspect Connectors and PCB Condition

Before installation, inspect the board for visible damage.

Check for:

• Bent or damaged connector contacts.
• Cracked PCB areas.
• Corrosion or contamination.
• Loose components.
• Discoloration caused by overheating.
• Damaged mounting points.

Any abnormal condition should be evaluated before the board is installed.

5. Verify Electrical Connections

Follow the original equipment wiring diagrams and installation instructions. Do not assume that connector positions or electrical assignments are identical across different revisions.

Before handling the board, isolate the host equipment according to the required safety procedures and verify that it is in a safe condition.

6. Perform System Verification

After installation, carry out the checks required by the host equipment manufacturer.

These may include hardware recognition, diagnostic checks, configuration verification, and functional testing. Where firmware or configuration compatibility is relevant, confirm it before returning the equipment to service.

Compatible System Components

The 1MRK000167-ACr11 is an internal PCB assembly. Its compatible components must be determined by the specific ABB host equipment rather than by the PCB family number alone.

These are general equipment categories, not a confirmed accessory or compatibility list for the ACr11 board.

Alternative Models and Replacement Considerations

The ABB 1MRK000167 family includes multiple hardware designations. These should not be treated as automatically interchangeable.

Before selecting an alternative, verify:

• Complete part number and suffix.
• Original host equipment model.
• Hardware revision and connector arrangement.
• Required electrical characteristics.
• Firmware and configuration requirements.
• Manufacturer-approved replacement information.
• Whether the replacement requires additional commissioning.

A shared product-family number does not guarantee functional or electrical interchangeability.

Key Advantages

Model-Specific Identification

The full 1MRK000167-ACr11 designation helps identify the exact board version during procurement, inventory management, and maintenance.

Compact Electronic Assembly

With supplied dimensions of 265 × 32 × 155 mm, the board is a compact electronic assembly intended for installation within compatible host equipment.

Industrial Equipment Integration

The board is designed as part of an industrial protection and control hardware architecture rather than as a standalone controller.

Supports Maintenance Activities

A model-specific replacement PCB may help maintenance teams address an individual hardware issue without changing the entire host equipment, subject to the manufacturer’s replacement procedures.

Revision-Aware Procurement

The ACr11 suffix provides an important identification detail that can help reduce the risk of ordering an incorrect hardware variant.

Established ABB Hardware Family

The 1MRK000167 family is associated with ABB processing and protection-related equipment. Accurate model identification helps support the maintenance of existing installations.

Technical FAQs

1. What is the ABB 1MRK000167-ACr11?

It is an ABB industrial printed circuit board identified by the complete part number 1MRK000167-ACr11. It is intended for integration into compatible ABB equipment.

2. Is the 1MRK000167-ACr11 a complete protection relay?

No. It is a PCB assembly, not a complete standalone protection relay or controller.

3. What is the purpose of this circuit board?

It serves as an internal electronic assembly within its designated host equipment. Its precise operational function should be confirmed using the relevant ABB equipment documentation.

4. What does the ACr11 suffix mean?

It is part of the complete hardware identification. It distinguishes this particular version from other 1MRK000167 variants. The exact revision relationship should be checked against ABB documentation.

5. What are the dimensions of the 1MRK000167-ACr11?

The supplied dimensions are 265 × 32 × 155 mm.

6. How much does this PCB weigh?

The supplied product weight is 0.27 kg.

7. Can the ACr11 version replace the ACr06 version?

Interchangeability should not be assumed. Although the two products share the same base family number, their hardware revisions and host equipment requirements must be compared before substitution.

8. Does the board work independently?

No. It is an internal electronic assembly that depends on compatible host equipment, power connections, connectors, and system configuration.

9. What should be checked before purchasing this PCB?

Check the complete part number, hardware suffix, original equipment model, connector arrangement, physical condition, and any applicable firmware or configuration requirements.

10. What precautions are necessary during installation?

Use appropriate electrostatic discharge protection, isolate the host equipment safely, inspect the board and connectors, and follow the manufacturer’s installation and commissioning procedures.

Procurement and Maintenance Recommendations

When purchasing the ABB 1MRK000167-ACr11, the first priority should be confirming the complete part number. The base number alone is insufficient for reliable identification because different suffixes may represent different hardware configurations.

For replacement projects, compare the product label with the original installed board. Request clear photographs of the front and rear of the PCB, connectors, component area, and identification markings when sourcing from an industrial spare-parts supplier.

For used or refurbished equipment, check the condition of the circuit board and its connectors. Ask for available inspection or functional-test information and confirm the applicable warranty and return conditions.

During storage, keep the PCB in antistatic packaging and protect it from moisture, dust, impact, and electrostatic discharge. Avoid stacking heavy objects on the board or placing it on unprotected surfaces.

For maintenance teams, keeping a record of installed part numbers and hardware revisions can simplify future replacement work. Documentation should also include the host equipment model, installation position, and any relevant configuration information.

Conclusion

The ABB 1MRK000167-ACr11 Printed Circuit Board is an industrial electronic assembly intended for integration into compatible ABB protection and control equipment. Its supplied dimensions are 265 × 32 × 155 mm, and its supplied weight is 0.27 kg.

As an internal PCB rather than a standalone controller, its correct application depends on the host equipment and the associated hardware configuration. The complete part number and ACr11 suffix should be verified before procurement or replacement.

For industrial maintenance and spare-parts sourcing, accurate revision identification, careful ESD handling, and confirmation of host-system compatibility are essential to reliable installation.