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7GDS289812R0000 ABB 289812 Main Contacts 400 A Tinned
ABB 289812 main contacts, order code 7GDS289812R0000, are 400 A tinned electrical contact components from the ABB GT product group intended for use in compatible industrial switching and switchgear assemblies.
£658.93
Why Choose the ABB 289812 400 A Tinned Main Contacts?
The ABB 289812 is a 400 A tinned main contact component intended for use in compatible industrial electrical switching and switchgear assemblies. Identified by ABB order code 7GDS289812R0000, this product belongs to the ABB GT product group and is designated for applications requiring main electrical contacts with a specified current rating of 400 A.
Main contacts are essential components in electrical switching equipment, providing the conductive interface through which electrical current passes when the associated switching mechanism is closed. The ABB 289812 main contacts feature a tinned contact construction, providing a tin surface finish that can help protect conductive surfaces against oxidation and support dependable electrical connections when used in the intended assembly.
With a specified 400 A current rating and tinned contact finish, the ABB 289812 is suitable for compatible electrical switching equipment used in industrial power distribution and motor control installations. Its manufacturer-specific designation supports accurate component identification for equipment assembly, maintenance and replacement applications.
Key Advantages
- Genuine ABB main contact component for compatible electrical switching assemblies.
- 400 A current rating for the specified main contact arrangement.
- Tinned contact finish helps protect conductive surfaces against oxidation.
- Supports electrical current transfer within compatible switching equipment.
- Designed for integration into the designated ABB electrical assembly.
- Suitable for industrial switchgear maintenance and replacement applications.
- Manufacturer-specific identification supports accurate component selection and procurement.
Key Features
- ABB GT product group.
- 289812 MAIN CONTACTS 400A (TIN) product designation.
- ABB order code 7GDS289812R0000.
- 400 A specified current rating.
- Tinned contact finish.
- Main electrical contact component for compatible switching assemblies.
- Provides a conductive contact interface within the designated equipment.
- Suitable for compatible industrial power distribution and control applications.
- Manufacturer-identified component for equipment servicing and replacement.
Technical Specifications
- Manufacturer: ABB
- Product group: GT
- Product designation: 289812 MAIN CONTACTS 400A (TIN)
- Part number: 289812
- ABB order code: 7GDS289812R0000
- Product type: Main electrical contacts
- Current rating: 400 A
- Contact finish: Tin (tinned)
- Product category: Electrical switchgear contacts and replacement components
- Primary function: Main electrical current conduction within compatible switching equipment
- Application: Compatible industrial electrical switching and switchgear assemblies
Reliable Electrical Contact Performance for Industrial Switchgear
Main electrical contacts perform an important function in switching equipment by establishing and interrupting conductive paths as part of the equipment's operating mechanism. Their electrical and mechanical condition influences contact resistance, temperature rise and the overall performance of the switching assembly.
The ABB 289812 400 A tinned main contacts are identified for use in compatible ABB GT equipment. The tin surface finish provides a protective coating on the contact surfaces, while the specified current rating identifies the designated contact component. Actual operating capability depends on the complete equipment design, installation conditions and manufacturer-approved configuration.
Correct contact selection is particularly important during maintenance and replacement work. Main contacts must be matched to the intended switching equipment, with installation, contact alignment, connection requirements and inspection procedures carried out in accordance with the applicable ABB documentation. The ABB 289812 provides a specifically identified component for installations requiring this part number.
Typical Applications
- Compatible industrial electrical switchgear assemblies.
- Low-voltage power distribution switching equipment.
- Electrical switching equipment requiring specified 400 A main contacts.
- Compatible industrial motor control and power switching installations.
- Electrical equipment maintenance and refurbishment.
- Replacement of designated tinned main contact components.
- Industrial switchgear assembly and spare parts management.
Frequently Asked Questions
What are the ABB 289812 main contacts used for?
The ABB 289812 main contacts are intended to provide the conductive contact interface within compatible electrical switching equipment, allowing electrical current to pass through the designated contact arrangement when the equipment is closed.
What is the current rating of the ABB 289812 main contacts?
The ABB 289812 main contacts have a specified current rating of 400 A. The operating limits of the complete switching assembly depend on its design and the applicable manufacturer specifications.
What does the TIN designation mean on the ABB 289812 contacts?
The TIN designation identifies a tinned contact finish. Tin plating can help protect conductive surfaces against oxidation and support electrical connection performance in suitable applications.
What is the ABB order code for the 289812 main contacts?
The manufacturer's order code is 7GDS289812R0000, which identifies the ABB 289812 400 A tinned main contacts within the ABB GT product group.
Can the ABB 289812 contacts replace any 400 A main contacts?
No. The ABB 289812 is a manufacturer-specific contact component and should only be used where the relevant equipment documentation specifies this part or confirms its compatibility. Matching the current rating alone does not establish interchangeability.
Trusted by Industrial Switchgear and Electrical Maintenance Professionals
ABB supplies electrical switching, distribution and control components for industrial applications worldwide. The ABB 289812 400 A tinned main contacts provide a manufacturer-identified component for compatible GT equipment, supporting accurate spare parts selection, appropriate switchgear maintenance and reliable electrical assembly practices.
