Why Choose the ABB PHBX2301 XT2 3-Pole Fixed Horizontal Installation Kit?
The ABB PHBX2301 (1STQ007771A0000) is a dedicated horizontal installation kit for fixed ABB Tmax XT2 moulded case circuit breakers, designed for compatible ABB System pro E power low-voltage electrical distribution switchboards. Identified by the manufacturer's designation XT2 KIT 3P FIXED HOR.INST. W=400MM, this accessory supports the installation of a compatible 3-pole fixed XT2 circuit breaker within a 400 mm wide switchboard configuration.
As part of the ABB System pro E power range, the PHBX2301 provides an application-specific mounting solution for integrating circuit protection equipment into modular electrical distribution assemblies. Its dedicated horizontal installation configuration supports the planned positioning of compatible Tmax XT2 devices, helping electrical panel builders create organised switchboard layouts.
Designed for a 400 mm nominal switchboard width, the ABB 1STQ007771A0000 is particularly suitable for electrical distribution projects where efficient use of enclosure space is important. Its manufacturer-specific design makes it a practical choice for professional switchboard manufacturers, electrical contractors and panel builders working with compatible System pro E power enclosure structures.
Key Advantages
- Genuine ABB System pro E power installation accessory for compatible modular low-voltage switchboards.
- Specifically designed for compatible ABB Tmax XT2 moulded case circuit breakers.
- Dedicated 3-pole circuit breaker installation configuration.
- Supports fixed-mounted XT2 circuit breaker arrangements.
- Horizontal installation orientation for the specified switchboard layout.
- Designed for 400 mm nominal switchboard width.
- Supports compact and organised integration of circuit protection equipment.
- Manufacturer-specific mounting arrangement helps simplify accessory selection.
- Designed for integration with compatible ABB System pro E power enclosure components.
- Suitable for industrial, commercial and infrastructure electrical distribution applications.
Key Features
- ABB System pro E power product range.
- Manufacturer type: PHBX2301.
- ABB order code: 1STQ007771A0000.
- Product designation: XT2 KIT 3P FIXED HOR.INST. W=400MM.
- Dedicated installation kit for compatible ABB Tmax XT2 circuit breakers.
- 3-pole circuit breaker configuration.
- Fixed circuit breaker mounting arrangement.
- Horizontal installation orientation.
- 400 mm nominal switchboard width.
- Designed for compatible ABB System pro E power enclosure structures.
- Supports integration of moulded case circuit protection devices into modular distribution boards.
- Application-specific accessory for professional electrical panel building.
- Suitable for industrial and commercial low-voltage switchboard construction.
Technical Specifications
- Manufacturer: ABB
- Product range: System pro E power
- Manufacturer type: PHBX2301
- ABB order code: 1STQ007771A0000
- Product designation: XT2 KIT 3P FIXED HOR.INST. W=400MM
- Product type: Circuit breaker installation kit
- Accessory category: Moulded case circuit breaker mounting accessories
- Compatible circuit breaker series: ABB Tmax XT2
- Compatible pole configuration: 3-pole
- Circuit breaker mounting configuration: Fixed
- Installation orientation: Horizontal
- Nominal switchboard width: 400 mm
- Mounting application: Installation of a compatible fixed ABB Tmax XT2 3-pole circuit breaker
- Compatible enclosure system: ABB System pro E power
- Equipment category: Low-voltage electrical distribution
- Application: Horizontal installation of fixed moulded case circuit breakers within modular switchboards
Compact Horizontal XT2 Circuit Breaker Integration
The ABB PHBX2301 horizontal installation kit is designed to support the integration of a compatible fixed ABB Tmax XT2 moulded case circuit breaker into a System pro E power electrical distribution switchboard. Moulded case circuit breakers are important components in low-voltage electrical installations, providing circuit switching and protection against overloads and short circuits when appropriately selected and configured.
The ABB Tmax XT2 series forms part of ABB's Tmax XT moulded case circuit breaker family. These devices are used in industrial and commercial electrical distribution applications where circuit protection and switching functionality are required. The PHBX2301 provides a dedicated mechanical installation arrangement for a fixed, 3-pole XT2 circuit breaker, rather than functioning as the protective device itself.
The kit's horizontal installation configuration is intended for compatible System pro E power switchboard structures with a nominal width of 400 mm. This makes the PHBX2301 suitable for specified narrower enclosure arrangements where circuit breaker positioning must be coordinated with the available mounting space, electrical connections and other distribution equipment.
The ABB System pro E power range provides a modular platform for professional low-voltage switchboard construction. Its configurable enclosure structures accommodate protective switching devices, busbar systems, cable management components and dedicated mounting accessories. The PHBX2301 complements this system by providing an application-specific installation solution for the stated Tmax XT2 configuration.
Correct installation requires a compatible fixed 3-pole XT2 circuit breaker and the appropriate System pro E power enclosure components. Mechanical fixing, electrical connections, operating access, required clearances and associated accessories should be checked against the relevant ABB installation instructions. The complete low-voltage switchboard should be designed and verified in accordance with applicable IEC 61439 requirements.
As the PHBX2301 is an installation accessory rather than a circuit breaker, it does not independently determine the installed device's rated current, breaking capacity, trip unit characteristics or protection settings. These electrical specifications depend on the separately selected ABB Tmax XT2 circuit breaker and the overall switchboard design.
Typical Applications
- ABB System pro E power low-voltage electrical distribution switchboards.
- Horizontal installation of compatible fixed ABB Tmax XT2 3-pole circuit breakers.
- Industrial electrical distribution panels and switchgear assemblies.
- Commercial building main and sub-distribution boards.
- Manufacturing facility electrical distribution equipment.
- Electrical switchrooms and plant room distribution installations.
- Professional electrical panel building and modular switchboard manufacturing.
- Switchboard construction requiring a fixed XT2 circuit breaker within a 400 mm wide enclosure configuration.
- Electrical distribution projects using manufacturer-specific circuit breaker mounting accessories.
