7GDS287089R0000 ABB 287089 MBB Insulator

Why Choose the ABB 287089 MBB Insulator?

The ABB 287089 MBB Insulator (7GDS287089R0000) is a specialised main busbar (MBB) electrical insulation component intended for use within compatible industrial electrical equipment and power distribution assemblies. Identified within ABB product group GT, this component is designed for equipment configurations requiring the specified ABB 287089 MBB insulator.

Main busbar insulators are important components in electrical distribution systems, providing electrical insulation between conductive busbar elements and associated supporting structures. Depending on the assembly design, these components may also provide mechanical support and help maintain the intended positioning of busbar conductors. Correct insulator selection is essential for preserving the manufacturer's specified electrical insulation arrangement.

Identified by ABB part number 287089 and ABB order code 7GDS287089R0000, this MBB insulator provides a clearly defined manufacturer reference for original equipment assembly, maintenance and replacement. Its dedicated identification enables electrical engineers, switchgear specialists and maintenance teams to select the correct component using original equipment drawings and spare parts documentation.

Key Advantages

• Dedicated main busbar insulator for compatible ABB electrical equipment assemblies.
• Supports the electrical insulation of designated main busbar arrangements.
• Helps maintain the intended separation between conductive busbar components and associated structures.
• ABB part number 287089 enables accurate identification and replacement.
• ABB order code 7GDS287089R0000 simplifies spare parts procurement and specification.
• Supports maintenance of the original busbar insulation arrangement when the correct component is installed.
• Suitable for industrial electrical equipment assembly, servicing and refurbishment applications.

Key Features

• ABB 287089 MBB Insulator electrical insulation component.
• Main busbar (MBB) application as identified by the product designation.
• Manufacturer part number: 287089.
• ABB order code: 7GDS287089R0000.
• ABB product group: GT.
• Dedicated insulator component for compatible main busbar assemblies.
• Supports the specified electrical insulation arrangement within designated equipment configurations.
• Manufacturer-specific component identification for accurate spare parts selection.
• Suitable for original equipment assembly and maintenance replacement.

Reliable Main Busbar Insulation for Industrial Power Distribution

Main busbar systems are used to distribute electrical power within industrial switchgear and electrical distribution assemblies. Insulators form an important part of these systems by providing electrical separation between energised conductors and other components. Where designed to do so, busbar insulators also support conductor positioning and help maintain the required mechanical arrangement.

The ABB 287089 MBB Insulator provides a manufacturer-identified component for compatible main busbar configurations. Its dedicated order code allows electrical engineers, panel builders and maintenance teams to match the insulator against original equipment parts lists and assembly drawings. The completed assembly's dielectric performance, electrical clearances, voltage suitability and short-circuit withstand characteristics depend on the overall system design and correct installation rather than the insulator designation alone.

Typical Applications

• Main busbar insulation arrangements in compatible ABB electrical equipment assemblies.
• Industrial electrical power distribution equipment construction and maintenance.
• Replacement of existing ABB 287089 MBB insulators.
• Electrical switchgear busbar assembly and refurbishment.
• Maintenance of designated busbar insulation and support arrangements.
• Original equipment assembly and spare parts procurement requiring ABB order code 7GDS287089R0000.