ABB 2CPX043429R9999 Main Circuit Breaker - DIN EN 61439-3
Part Number: 2CPX043429R9999
Quick Summary
2CPX043429R9999 is a high-capacity main circuit breaker designed for panel-level protection in industrial electrical cabinets. Engineers often struggle with space constraints and modular integration in control panels, making it hard to fit robust protection without sacrificing accessibility. This interior fitting module for Tmax systems offers 36 DIN places, a 250 A rating, and a 400 V operating range, enabling compact, code-compliant distribution. With CE declarations, DIN EN 61439-2/3 compliance, and RoHS/REACH conformance, it helps meet modern safety, environmental, and reliability requirements. It supports installation with XT4 MCCB, includes a single RCD, and uses a 90-degree press-and-turn closure for quick service. As a key component in CombiLine distribution panels, it delivers predictable performance for panel builders and OEMs seeking scalable protection.
Product Information
Extended Description
2CPX043429R9999 ABB: Interior fitting module, CombiLine, mounted in cabinet, for Main circuit breaker Tmax, Grid unit 3 GU = 450 mm, panel width 1 = 250 mm, 36 Space units, , usuable width of 120 mm, unequipped for the installation of 1 MCCB XT4, 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: with cut-out, usuable as of the cabinet depth of 200 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 RCDs
1
Number of Switches
0
Number of Mountable Devices
1
Enclosure Module Equipment
Excludes Devices
Enclosure Mounting Frame
WR or EDF
Device
XT4
Enclosure Type
Interior fitting module
Enclosure Type of Height
00
DIN Place Units
36
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
250 mm
Product Net Height
450 mm
Product Net Depth / Length
200 mm
Section Width
1
Product Net Weight
1.247 kg
Built-In Depth (t2)
200 mm
Package Level 1 Units
pack 1 piece
Package Level 1 Gross Weight
1.297 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 → Business Impact → Application: Interior fitting module for Tmax with 36 DIN places optimizes space utilization in control cabinets, reducing overall footprint and enabling more compact panel designs for distributed automation. This supports faster wiring, easier maintenance, and lower enclosure costs in panel builders’ workflows. Feature → Application: 4P protection with 250 A rating delivers robust four-pole control and selective coordination in 400 V systems, enabling reliable fault isolation and improved safety in industrial machinery applications. Feature → Business Impact → Application: 1 RCD included simplifies residual current protection without needing additional devices, cutting installation time and total system cost for distribution panels and CombiLine assemblies. Feature → Compatibility: WR or EDF enclosure mounting frame and XT4 device compatibility streamline retrofits and new builds, reducing engineering time and minimizing field adjustments. Feature → Installation Efficiency: 90-degree press-and-turn closure provides tool-free access for faster servicing and routine maintenance in high-availability applications. Feature → Compliance & Environment: RoHS, REACH, and DIN EN 61439-2/3 compliance ensure regulatory alignment for panel builders and OEMs medical in industries like manufacturing and process automation. The module is designed to be compatible with standard CombiLine configurations, facilitating scalable protection within existing panel architectures and reducing time-to-value for projects.
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FAQs
Ensure the enclosure accepts a 36 DIN place unit and supports the WR or EDF mounting frame. Confirm Tmax device XT4 compatibility and verify space for a 250 A, 4P configuration at 400 V. Use the 90-degree closure for quick access and check that the enclosure is internal-fitting type, with RoHS/CE compliance as specified.
Key specs include rated current of 250 A, rated operational voltage of 400 V, and 4 poles with 1 RCD. It is designed for interior fitting modules with 36 DIN places and supports a Tmax device XT4. The enclosure uses a WR/EDF frame and features a 90-degree closure for serviceability, ensuring reliable protection in 4P protection schemes.
Yes, it is designed for CombiLine interior fitting configurations. Mounting frame options include WR or EDF, and it accommodates an XT4 MCCB. Ensure cabinet depth and DIN rail alignment are consistent with a 250 A, 4P assembly, and note that devices are not included in the enclosure module.
The module adheres to DIN EN 61439-2/3 standards, with CE declarations of conformity for distribution panel systems. It is RoHS compliant and REACH-declared, with a 20240903 RoHS date and 20240902 REACH date. This ensures safety, environmental compliance, and suitability for European manufacturing environments.
The 90-degree closure and tool-free access simplify maintenance, reducing downtime during service. As a space-efficient 36-DIN unit with a Tmax 250 A rating, it minimizes panel footprint and reduces hardware complexity, translating to lower installation labor, easier spare-part management, and faster time-to-value in high-availability production lines.