ABB 2CPX042839R9999 Main Circuit Breaker Tmax Interior Fitting Module - DIN EN 61439-3
Part Number: 2CPX042839R9999
Quick Summary
ABB 2CPX042839R9999 main circuit breaker Tmax interior fitting module provides cabinet-level protection for data centers and industrial controls. Facility managers often struggle with limited space and installation complexity when upgrading or expanding panels. This module ships with CE, DIN EN 61439-3, and RoHS declarations, delivering safety and regulatory confidence. Designed for 72 DIN places, 4P operation, and a 250 A rating, it supports scalable protection without overhauling enclosures. Coupled with WR or EDF mounting frames, it offers fast installation, straightforward maintenance, and lower total cost of ownership. In practice, panel builders gain predictable lead times and easier cross-compatibility with ABB XT2 MCCB options.
Product Information
Extended Description
2CPX042839R9999 ABB: Interior fitting module, CombiLine, mounted in cabinet, for Main circuit breaker Tmax, Grid unit 2 GU = 300 mm, panel width 3 = 750 mm, 72 Space units, , usuable width of 669 mm, unequipped for the installation of 3 MCCB XT2, for busbar system 4-pole, rated current maximum 250 A, covers out of Plastic, 90 degree press and turn closure, RAL 7035, Design of the cover: Closed, usuable as of the cabinet depth of 260 mm
Rated Operational Voltage
Maximum 400 V
Operational Voltage
400 V
Rated Current (In)
250 A
Rated Operational Current (Ie)
250 A
Number of Poles
4P
Number of Switches
0
Number of Mountable Devices
3
Enclosure Module Equipment
Excludes Devices
Enclosure Mounting Frame
WR or EDF
Device
XT2
Enclosure Type
Interior fitting module
Enclosure Type of Height
000
DIN Place Units
72
Module Function
Main circuit breaker Tmax
Color
Light grey
RoHS Information
EU Declaration of Conformity Distribution Panel System CombiLine N
RoHS Status
Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019
RoHS Date
20240903
REACH Declaration
Declaration regarding the REACH – Regulation ABB STRIEBEL & JOHN
REACH Information
False - does not contain substances > 0.1 mass percentage
REACH Date
20240902
Conflict Minerals Reporting Template (CMRT)
Conflict Minerals Reporting Template
WEEE Category
Product Not in WEEE Scope
Product Net Width
750 mm
Product Net Height
300 mm
Product Net Depth / Length
260 mm
Section Width
3
Product Net Weight
2.378 kg
Built-In Depth (t2)
260 mm
Package Level 1 Units
pack 1 piece
Package Level 1 Gross Weight
2.473 kg
Declaration of Conformity - CE
EU Declaration of Conformity Distribution Panel System CombiLine N
Data Sheet, Technical Information
Catalogue for panel builders 2024/2025 Intro | Catalogue for wholesalers 2025 Intro
ETIM 8
EC001897 - Distributor assembly switch
ETIM 9
EC001897 - Distributor assembly switch
eClass
V11.0 : 27400611
Object Classification Code
U
Standards
DIN EN 61439-3 | DIN EN 61439-2
Feature: 72 DIN place units, 4-pole configuration, and a 250 A rated current. Business Impact: Enables scalable protection within a compact footprint, reducing cabinet depth and permitting flexible load growth. Application: Ideal for CombiLine interior fitting modules in distribution panels and Tmax main breaker arrangements in automation cabinets. Feature: 260 mm built-in depth and 750 mm width with 300 mm height. Business Impact: Predictable fit in standard 300 mm deep cabinets, streamlining cabinet design and minimizing custom enclosure work. Application: Suitable for large-capacity control panels in manufacturing lines requiring 72 DIN units. Feature: CombiLine interior fitting module design. Business Impact: Modular, plug-in approach reduces commissioning time and simplifies routine maintenance. Application: Supports busbar systems for 4-pole Tmax protection in panel assemblies. Feature: Compliance and safety stack (CE, DIN EN 61439-2/3, RoHS). Business Impact: Regulatory alignment ensures safe operation across regions and easier procurement for regulated facilities. Application: Required for European electrical installations and automated plants. Feature: Durable enclosure with light grey plastic covers (RAL 7035). Business Impact: Uniform appearance, color-standardized components, and resilient protection in harsh environments. Application: Office-adjacent and industrial environments where standardized enclosures matter. Feature: 72 DIN places with usable width of 669 mm and 260 mm enclosure depth. Business Impact: Optimized space planning and efficient cable routing for dense switchgear configurations. Application: Panels that need maximum space efficiency in compact footprints.
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FAQs
This interior fitting module is designed for 72 DIN placements and uses WR or EDF mounting frames. Install the Tmax 4-pole main breaker into the XT2-ready space, ensuring alignment with the 669 mm usable width and 260 mm built-in depth. Follow standard DIN EN 61439-2/3 procedures, secure the enclosure, and verify correct busbar connections to minimize commissioning time and ensure compliance.
Key specs include a maximum operating voltage of 400 V, rated current up to 250 A, and a 4P configuration. The device is intended for Tmax main breakers and supports up to three mountable devices within the 72 DIN unit frame. Ensure panel wiring and protection coordination align with these ratings for safe, reliable operation.
Yes. The interior fitting module is specifically designed for CombiLine panel systems, enabling a modular arrangement of Tmax MCCBs in 72 DIN spaces. It integrates with 4-pole busbar configurations and supports WR/EDF mounting frames for fast, scalable installations in automation environments.
The module complies with DIN EN 61439-3 and DIN EN 61439-2, with CE marking and RoHS declarations. These certifications ensure safety, performance, and regulatory compliance across European installations, supporting safe operation in regulated facilities and helping with procurement governance.
Benefits include faster installation times due to modular interior fitting design, reduced need for enclosure rework, and easier maintenance with plug-in components. The 72 DIN layout supports scalable protection up to 250 A, delivering future-ready panels that minimize total cost of ownership and downtime in manufacturing and process environments.