Why Choose the ABB PHBX3427 System Pro E Power XT3 Plug-In Installation Kit?
The ABB PHBX3427, manufacturer order code 1STQ007815A0000, is a dedicated Tmax XT3 circuit breaker installation kit designed for the ABB System Pro E Power modular low-voltage switchboard system. Identified by the manufacturer as XT3 KIT 3-4P PLUG IN RHD HOR.INS.W=400MM, this accessory is intended for the installation of compatible ABB Tmax XT3 3-pole or 4-pole plug-in moulded case circuit breakers (MCCBs).
The PHBX3427 is specified for a horizontal installation arrangement within a 400 mm nominal-width switchboard configuration. Its manufacturer designation also identifies an RHD configuration, which should be matched to the corresponding ABB mounting arrangement when selecting components for the finished switchboard.
As part of the ABB System Pro E Power product group, this installation kit provides a manufacturer-specific solution for integrating compatible Tmax XT3 circuit breakers into professional electrical distribution assemblies. It is suitable for switchboard manufacturers, electrical panel builders and industrial contractors requiring a dedicated mounting accessory for the specified plug-in breaker configuration.
Key Advantages
- Purpose-designed installation kit for ABB Tmax XT3 circuit breakers.
- Compatible with specified 3-pole and 4-pole MCCB configurations.
- Designed for plug-in circuit breaker installation.
- Horizontal installation orientation for compatible switchboard layouts.
- Specified for 400 mm nominal switchboard width.
- Identified for the manufacturer's RHD mounting configuration.
- Integrates with the modular ABB System Pro E Power distribution platform.
- Supports coordinated positioning of compatible circuit breaker equipment.
- Provides a dedicated mechanical installation arrangement for professional panel builders.
- Suitable for industrial and commercial low-voltage distribution assemblies.
Key Features
- ABB type designation: PHBX3427.
- ABB manufacturer order code: 1STQ007815A0000.
- Product group: System Pro E Power.
- Manufacturer designation: XT3 KIT 3-4P PLUG IN RHD HOR.INS.W=400MM.
- Product type: Circuit breaker installation kit.
- Compatible circuit breaker series: ABB Tmax XT3.
- Compatible pole configurations: 3-pole and 4-pole.
- Circuit breaker mounting version: Plug-in.
- Specified mounting configuration: RHD.
- Installation orientation: Horizontal.
- Nominal switchboard width: 400 mm.
- Designed for compatible ABB System Pro E Power internal mounting arrangements.
- Supports mechanical integration of plug-in Tmax XT3 circuit breaker equipment.
- Manufacturer-specific accessory for the designated XT3 installation configuration.
Technical Specifications
- Manufacturer: ABB
- Product group: System Pro E Power
- Series: System Pro E Power
- Type / model: PHBX3427
- Manufacturer order code: 1STQ007815A0000
- Manufacturer designation: XT3 KIT 3-4P PLUG IN RHD HOR.INS.W=400MM
- Product category: Switchboard circuit breaker installation accessories
- Product type: Plug-in circuit breaker installation kit
- Compatible circuit breaker family: ABB Tmax XT3
- Compatible pole configurations: 3-pole / 4-pole
- Circuit breaker installation version: Plug-in
- Manufacturer mounting designation: RHD
- Installation orientation: Horizontal
- Nominal switchboard width: 400 mm
- Installation system: ABB System Pro E Power modular switchboards
- Primary function: Mechanical installation and integration of compatible plug-in Tmax XT3 circuit breakers
- Component classification: Mechanical switchboard installation accessory
- Application: Low-voltage electrical distribution assemblies
Horizontal Tmax XT3 Plug-In Circuit Breaker Integration
The ABB PHBX3427 installation kit is designed to support the integration of compatible Tmax XT3 3-pole and 4-pole plug-in circuit breakers within the System Pro E Power switchboard platform. Its specified horizontal installation arrangement provides a dedicated mounting configuration for electrical distribution assemblies using plug-in MCCB equipment.
A plug-in circuit breaker arrangement uses a compatible plug-in connection system to interface the circuit breaker with the electrical distribution assembly. This differs from a fixed circuit breaker installation, where the breaker is connected directly in its designated mounting position. The correct plug-in base, electrical connections and associated accessories must be selected for the specific Tmax XT3 configuration.
The PHBX3427 is specified for a 400 mm nominal switchboard width. This dimension identifies the intended System Pro E Power enclosure configuration rather than the independently verified physical width of the installation kit. Compatibility also depends on the internal mounting structure, selected circuit breaker version and associated ABB components.
The manufacturer designation includes RHD. Because the supplied abbreviated description does not independently define this term, it should be treated as a specific ABB installation-configuration identifier rather than assumed to describe a particular operating mechanism or door-hinge direction. The required RHD arrangement should be confirmed against the applicable ABB System Pro E Power assembly documentation.
The kit supports the designated 3-pole and 4-pole Tmax XT3 configurations. However, it should not be assumed to fit other Tmax circuit breaker frame sizes, such as XT2, XT4 or XT5, without explicit manufacturer confirmation. Different breaker families may require different mechanical mounting and connection accessories.
The ABB PHBX3427 is an installation accessory rather than a complete circuit breaker assembly. The Tmax XT3 circuit breaker, plug-in connection components, protective trip unit and any additional electrical accessories must be selected according to the intended installation. The product designation does not establish that these components are included in the kit.
The completed switchboard's electrical performance depends on the selected circuit breaker, its protection settings, conductors, connections and overall assembly design. The mechanical installation kit itself does not establish an independent current rating, breaking capacity or short-circuit withstand rating.
For professional electrical panel builders, the PHBX3427 offers a dedicated ABB mounting solution for the specified horizontal, plug-in XT3 arrangement, supporting consistent component selection and coordinated switchboard construction.
Typical Applications
- ABB System Pro E Power low-voltage distribution switchboards.
- ABB Tmax XT3 plug-in circuit breaker installations.
- Horizontal mounting of compatible 3-pole and 4-pole MCCBs.
- Switchboard assemblies requiring the specified RHD configuration.
- Compatible 400 mm nominal-width switchboard structures.
- Industrial electrical power distribution panels.
- Commercial building electrical distribution infrastructure.
- Main and secondary low-voltage distribution boards.
- OEM switchboard manufacturing and professional electrical panel building.
- Compatible switchboard refurbishment and circuit breaker installation projects.
