Why Choose the ABB MBA390T XT1/XT3 Expansion?
The ABB MBA390T is an XT1/XT3 expansion assembly designed for integration into compatible ABB low-voltage subdistribution systems. Supplied under ABB order code 2CPX041645R9999, the MBA390T provides a 3 PW expansion format for incorporating compatible ABB Tmax XT1 and XT3 moulded-case circuit breakers into structured distribution-panel assemblies.
Designed as part of ABB's DESUJ Sub Distribution product group, the MBA390T provides a system-specific expansion solution for compatible XT1/XT3 equipment. Its modular format helps panel builders maintain an organised equipment layout while extending the available circuit-breaker installation capacity within a suitable ABB distribution assembly.
The 3 PW configuration provides a defined installation section for compatible protection equipment, making the MBA390T suitable for new panel construction and distribution-board expansion projects where ABB Tmax XT1 or XT3 devices are specified.
Key Advantages
- Purpose-designed XT1/XT3 expansion assembly for compatible ABB subdistribution systems.
- Supports integration of compatible ABB Tmax XT1 and XT3 moulded-case circuit breakers.
- 3 PW expansion format for structured modular cabinet layouts.
- Provides a coordinated solution for circuit-breaker equipment integration.
- Supports organised and repeatable low-voltage panel construction.
- Suitable for extending compatible distribution-board configurations.
- Designed for professional commercial and industrial electrical assemblies.
Key Features
- ABB DESUJ Sub Distribution system component.
- XT1/XT3 expansion configuration.
- 3 PW installation format.
- Designed for compatible ABB Tmax XT circuit-breaker equipment.
- Supports modular equipment arrangement within compatible distribution assemblies.
- Suitable for panel expansion and new switchboard construction.
- Designed for structured low-voltage distribution applications.
Structured Integration for ABB Tmax XT Circuit Breakers
Expansion assemblies allow compatible protective devices to be incorporated into modular low-voltage distribution systems in a structured manner. Using a dedicated system component such as the MBA390T helps panel builders maintain consistent equipment organisation when configuring ABB Tmax XT circuit-breaker sections.
The ABB MBA390T is specifically identified for XT1/XT3 equipment and provides a 3 PW expansion format. This makes it a practical component for compatible ABB distribution assemblies requiring additional circuit-breaker capacity while retaining the intended modular architecture of the subdistribution system.
Typical Applications
- ABB low-voltage subdistribution systems.
- ABB Tmax XT1 and XT3 circuit-breaker integration.
- Commercial electrical distribution boards.
- Industrial low-voltage distribution cabinets.
- Distribution-board expansion projects.
- Modular switchboard and panel-building applications.
