ABB MAIN BOARD 5 BASIC | Model 1VCF751021802 Module

The ABB MAIN BOARD 5 (BASIC), product ID 1VCF751021802, offers a dependable control platform designed for modern industrial automation systems. Engineers value its stable performance because each board supports precise relay operations inside advanced protection and control assemblies. Moreover, its straightforward integration process allows quick replacement in field environments, ensuring minimal downtime and consistent system reliability.

This module is supplied as a new spare part, and it is primarily used to maintain or refurbish ABB relay systems requiring the original MB5 hardware generation. In addition, ABB recommends the updated Mainboard 6 (1VCR014629802) as the successor, making the MB5 an essential component for users maintaining legacy installations.

Key Features & Functional Highlights

• Designed for stable and predictable operation inside ABB relay platforms

• Optimized performance for long-term reliability in harsh industrial settings

• Fully compatible with supported top panels specified for MB5 systems

• Clear upgrade path available through Mainboard 6 for modernized installations

• Manufactured in Malaysia and compliant with industrial supply chain quality norms

• Supports DNV-coated variants for marine and offshore applications when required

Technical Specifications

General Data

• Product ID: 1VCF751021802

• Type Designation: MAIN BOARD 5 (BASIC)

• Country of Origin: Malaysia

• Part Status: New, Quote Only

• Replacement ID (NEW): 1VCR014629802

Weights & Packaging

• Net Weight: 0.27 kg

• Gross Weight: 0.27 kg

• MOQ: 1 piece

Related Components
When replacing MB5 with MB6, the top panel must also be replaced.
Compatible top panel codes:
1VCF750153003, 1VCF750153001, 1VCF750153002
1VCF750099003, 1VCF750099001, 1VCF750099002
1VCF750165003, 1VCF750165001, 1VCF750165002
1VCF750099004, 1VCF750099005, 1VCF750099006
1VCF750153004, 1VCF750153005, 1VCF750153006

Special Conditions

• Check required software version from relay rating plate

• For DNV versions, order both the module and DNV coating (code: 1MRS090010)

Typical Applications

This board is successfully installed in industrial protection relays used across power distribution, process automation, and heavy-duty manufacturing environments. Moreover, technicians rely on it for maintaining legacy ABB relay systems where long-term hardware availability is required. Therefore, it supports organizations that need stable operation without replacing entire relay assemblies.

Support, Maintenance & Reliability

Routine inspections help extend the service life of the MAIN BOARD 5, and ABB service teams can provide upgrade guidance when transitioning to MB6 systems. In addition, customers benefit from global spare-parts availability, ensuring dependable continuity for mission-critical operations.

FAQ

Q1: Is the MAIN BOARD 5 still in active production?
The board is supplied as a new part, although ABB lists Mainboard 6 as its official replacement.

Q2: Can the MAIN BOARD 5 be replaced directly with MB6?
Yes, but the corresponding top panel must also be replaced using one of the approved panel codes.

Q3: How can I confirm software compatibility?
Check the relay rating plate, which indicates the correct firmware version required for this module.

Q4: Is a DNV-certified version available?
Yes. For DNV builds, order the module together with the DNV coating under code 1MRS090010.

Q5: Does this product fall under WEEE regulations?
No. The MAIN BOARD 5 is classified as Product Not in WEEE Scope.