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1STQ007821A0000 ABB PHBX4401 XT4 Fixed Installation Kit 3-4P Horizontal W400 mm System pro E Power
ABB PHBX4401 (1STQ007821A0000) is a System pro E Power installation kit for compatible ABB XT4 3-pole and 4-pole fixed moulded-case circuit breakers with horizontal installation arrangements in 400 mm wide low-voltage switchboards.
£128.34
Why Choose the ABB PHBX4401 System pro E Power XT4 Installation Kit?
The ABB PHBX4401 (1STQ007821A0000) is a dedicated XT4 circuit breaker installation kit designed for integration with the ABB System pro E Power modular low-voltage switchboard system. Its authoritative product designation, XT4 KIT 3-4P FIXED HOR.INST. W=400MM, identifies a mounting arrangement for compatible ABB XT4 moulded-case circuit breakers in 3-pole or 4-pole fixed configurations, with horizontal installation in a nominal 400 mm wide switchboard.
Designed for professional electrical panel builders, switchboard manufacturers and industrial electrical engineers, the PHBX4401 provides a model-specific installation solution for incorporating compatible ABB XT4 circuit breakers into System pro E Power electrical distribution assemblies. Its designated configuration supports the planning of circuit breaker mounting positions, equipment clearances and enclosure layouts.
The ABB PHBX4401 XT4 installation kit is particularly relevant where a fixed XT4 circuit breaker must be installed horizontally within a 400 mm nominal width switchboard configuration. Selecting the correctly specified installation kit helps ensure that the breaker family, pole arrangement, mounting type and enclosure configuration are appropriately coordinated during switchboard construction.
Key Advantages
- Genuine ABB System pro E Power XT4 installation kit for modular low-voltage electrical switchboards.
- Designed for compatible ABB XT4 moulded-case circuit breakers.
- Supports both 3-pole and 4-pole circuit breaker configurations.
- Specifically designated for fixed circuit breaker installation.
- Supports horizontal mounting within compatible switchboard arrangements.
- Designed for 400 mm nominal width System pro E Power configurations.
- Helps panel builders select the appropriate installation arrangement for ABB XT4 equipment.
- Supports coordinated circuit breaker positioning and electrical distribution panel layout.
- Designed for integration with the ABB System pro E Power modular enclosure platform.
- Suitable for professional switchboard manufacturing, equipment installation and compatible refurbishment projects.
Key Features
- ABB System pro E Power series switchboard installation accessory.
- Product reference: PHBX4401.
- ABB order code: 1STQ007821A0000.
- Product designation: XT4 KIT 3-4P FIXED HOR.INST. W=400MM.
- Compatible circuit breaker family: ABB XT4.
- Supported pole configurations: 3-pole and 4-pole.
- Circuit breaker mounting arrangement: Fixed.
- Installation orientation: Horizontal.
- Nominal switchboard width: 400 mm.
- Designed for use with compatible XT4 fixed mounting arrangements.
- Supports integration with designated ABB System pro E Power enclosure structures.
- Dedicated mechanical installation accessory for professional low-voltage electrical distribution assemblies.
Purpose-Designed XT4 Fixed Circuit Breaker Integration
The ABB PHBX4401 installation kit supports the mechanical integration of compatible ABB XT4 moulded-case circuit breakers into System pro E Power modular low-voltage switchboards. Correct circuit breaker mounting is an important aspect of switchboard design because equipment positioning, electrical connections, operating access and installation clearances must be coordinated within the enclosure.
A defining characteristic of the PHBX4401 is its fixed installation designation. In a fixed circuit breaker arrangement, the selected breaker is installed in its designated mounting position rather than using a plug-in or withdrawable connection system. The installation kit must therefore be matched to the intended fixed XT4 configuration.
The kit is specified for 3-pole and 4-pole ABB XT4 circuit breakers. These configurations allow panel builders to select a compatible breaker according to the electrical distribution design. The appropriate pole arrangement, electrical ratings and protective characteristics are determined by the separately selected XT4 circuit breaker.
The horizontal installation orientation is another important characteristic of the PHBX4401. The kit is intended for the designated horizontal arrangement, and installers should verify the circuit breaker's permitted mounting orientation, terminal connections, operating access and required clearances against the applicable ABB technical documentation.
The PHBX4401 is designed for a 400 mm nominal switchboard width. This dimension identifies the intended System pro E Power enclosure configuration rather than the physical width of the circuit breaker or the complete installation kit. The remaining enclosure dimensions and internal equipment layout must also be considered when selecting compatible switchboard components.
The ABB System pro E Power platform supports modular low-voltage electrical distribution assemblies used in industrial, commercial and infrastructure applications. Its enclosure architecture allows compatible structural components, circuit breaker installation accessories, protective panels and other equipment to be combined according to the requirements of the electrical installation.
The PHBX4401 is a mechanical installation accessory rather than an electrical protection device. It does not independently provide overcurrent protection, short-circuit protection, switching or electrical isolation. These functions depend on the selected ABB XT4 circuit breaker and the completed electrical assembly. The product designation also does not confirm that the circuit breaker or additional operating accessories are included in the kit.
Typical Applications
- ABB System pro E Power modular low-voltage switchboards.
- Installation of compatible ABB XT4 moulded-case circuit breakers.
- Fixed 3-pole XT4 circuit breaker mounting arrangements.
- Fixed 4-pole XT4 circuit breaker mounting arrangements.
- Horizontal circuit breaker installation in compatible switchboard structures.
- Electrical distribution assemblies using designated fixed breaker configurations.
- Industrial main and sub-distribution switchboards.
- Commercial building low-voltage electrical distribution assemblies.
- OEM electrical panel building and switchboard manufacturing.
- Refurbishment and replacement of compatible ABB XT4 fixed installation arrangements.
Technical Specifications
| Product series | System pro E Power |
|---|---|
| ABB order code | 1STQ007821A0000 |
| Product designation | XT4 KIT 3-4P FIXED HOR.INST. W=400MM |
| Product type | Circuit breaker installation kit |
| Product category | Switchboard installation and mounting accessories |
| Compatible circuit breaker family | ABB XT4 |
| Compatible pole configurations | 3P / 4P |
| Circuit breaker installation type | Fixed |
| Installation orientation | Horizontal |
| Nominal switchboard width | 400 mm |
| Compatible enclosure system | ABB System pro E Power |
| Primary function | Mechanical installation of a compatible XT4 fixed circuit breaker arrangement |
| Application | Modular low-voltage electrical distribution switchboards |
| Breaker electrical ratings | Determined by the selected compatible ABB XT4 circuit breaker |
| Operating mechanism | Dependent on the selected compatible XT4 breaker and accessories |
| Mounting requirements | Subject to applicable ABB circuit breaker and switchboard assembly instructions |
| Product classification | Modular switchboard equipment installation accessory |
Frequently Asked Questions
What is the ABB PHBX4401 (1STQ007821A0000) used for?
The ABB PHBX4401 is an installation kit for mounting compatible ABB XT4 moulded-case circuit breakers in System pro E Power low-voltage switchboards. It is specified for 3-pole or 4-pole fixed configurations, horizontal installation and a nominal switchboard width of 400 mm.
Which ABB circuit breakers are compatible with the PHBX4401?
The PHBX4401 is designated for the ABB XT4 circuit breaker family in 3-pole and 4-pole fixed configurations. Compatibility with a specific XT4 breaker variant and the intended switchboard structure should be confirmed against the applicable ABB technical documentation.
What does FIXED HOR.INST. mean in the ABB PHBX4401 designation?
FIXED identifies a circuit breaker mounting arrangement that does not use a plug-in or withdrawable installation configuration. HOR.INST. identifies the intended horizontal installation orientation. Together, these terms describe the designated mounting arrangement for compatible ABB XT4 circuit breakers.
What switchboard width is the ABB PHBX4401 designed for?
The ABB PHBX4401 is specified for a 400 mm nominal switchboard width within the compatible ABB System pro E Power enclosure system. This dimension refers to the intended enclosure configuration, not the physical width of the circuit breaker or installation kit.
Does the ABB PHBX4401 include the XT4 circuit breaker?
The ABB PHBX4401 is identified as an XT4 installation kit. Its product designation does not confirm that the circuit breaker, operating mechanism or additional electrical connection accessories are included. The exact supplied components should be checked against the official ABB kit contents before ordering or installation.
Trusted by Electrical Panel Builders Worldwide
ABB System pro E Power installation accessories support the professional construction of modular low-voltage electrical distribution switchboards. The ABB PHBX4401 XT4 installation kit provides a designated mounting solution for compatible 3-pole and 4-pole fixed ABB XT4 circuit breakers requiring horizontal installation within a 400 mm nominal width switchboard configuration, helping panel builders coordinate equipment positioning and enclosure compatibility.
