ABB MT244 is a 2PW CombiLine NH2 fuse switch disconnector expansion module prepared for two ABB ZH441 NH2 fuse switch disconnectors and a 3-pole single-level busbar system rated up to 440 A.
Why Choose the ABB MT244 NH2 Fuse Switch Expansion 2PW?
The ABB MT244 is a CombiLine NH2 fuse switch disconnector expansion module designed for structured fused power distribution within low-voltage electrical cabinets. Supplied under ABB order code 2CPX041324R9999, the MT244 is a cabinet-mounted 2PW / two-field-width module prepared for the installation of two NH2 fuse switch disconnectors.
The MT244 has a module height of 3 RE / 450 mm, a field width of 2 FB / 500 mm and provides 72 space units. It is supplied unpopulated for two ABB ZH441 NH2 fuse switch disconnectors, each rated up to 400 A, and is designed for a 3-pole busbar system.
The single-level busbar arrangement supports a maximum rated current of 440 A, while the module is suitable for cabinets from 215 mm depth. Plastic covers with equipment cut-outs, 90-degree press-and-turn fasteners and a RAL 7035 finish complete the assembly, with the required EDF or WR mounting frame ordered separately.
Prepared for installation of two NH2 fuse switch disconnectors.
Compatible with ABB ZH441 NH2 fuse switch disconnectors rated up to 400 A.
3-pole busbar system supports a maximum rated current of 440 A.
Provides 72 space units across a practical 500 mm field width.
Suitable for expansion on both EDF and WR mounting frames.
Key Features
ABB CombiLine interior expansion system.
Designed for NH2 fuse switch disconnector installation.
Unpopulated for 2 NH2 fuse switch disconnectors.
Compatible fuse switch disconnector: ABB ZH441.
Compatible fuse switch rating: up to 400 A.
3 RE / 450 mm module height.
2 FB / 500 mm field width.
72 space units.
3-pole busbar system.
Maximum rated current of 440 A with the single-level busbar system.
Plastic covers with equipment cut-outs.
90-degree press-and-turn fasteners.
RAL 7035 cover finish.
Suitable for cabinets from 215 mm depth.
Flexible Two-Way NH2 Fused Distribution
The ABB MT244 provides a dedicated CombiLine section for installing two NH2 fuse switch disconnectors within a 3-pole busbar arrangement. Its unpopulated configuration allows ABB ZH441 devices to be selected and installed as required, providing fuse protection and switch-disconnection functionality for two outgoing low-voltage circuits.
With a 500 mm field width, 450 mm module height and 72 space units, the MT244 provides a structured solution for incorporating two NH2 fused ways into a compatible ABB cabinet assembly. The appropriate fuse switch disconnectors, busbar system and EDF or WR mounting frame must be selected separately to complete the installation.
Typical Applications
Low-voltage power distribution cabinets.
ABB CombiLine sub-distribution assemblies.
NH2 fused outgoing circuit distribution.
Commercial and industrial switchgear assemblies.
High-current fuse-protected feeder circuits.
Professional panel-building and electrical installation projects.
Technical Specifications
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Current
440 A
Device Type
Mounting / Expansion Module
Product Series
S&J CombiLine N
Series
CombiLine Interior Expansion System
ABB order code
2CPX041324R9999
Product type
NH2 fuse switch disconnector expansion module
Configuration
2PW / 2 field widths
Module height
3 RE / 450 mm
Field width
2 FB / 500 mm
Space units
72
Fuse switch size
NH2
Fuse switch positions
2
Equipment status
Unpopulated
Compatible fuse switch disconnector
ABB ZH441
Compatible fuse switch rating
Maximum 400 A
Fuse switch connection
M12 connection screws
Busbar system
3-pole
Single-level busbar rating
Maximum 440 A
Compatible single-level busbar system
ZH217
Busbar dimensions
30 × 5 mm copper rails
Busbar connection
M10 connection screws
Cover material
Plastic
Cover design
With equipment cut-outs
Cover fastener
90-degree press-and-turn closure
Colour
RAL 7035
Minimum cabinet depth
215 mm
Mounting system
EDF or WR mounting frame
Installation
Mounted and installed in cabinet
Product group
DESUJ Sub Distribution
Frequently Asked Questions
What is the ABB MT244 used for?
The ABB MT244 is an NH2 fuse switch disconnector expansion module designed to accommodate two NH2 fuse switch disconnectors within a compatible ABB CombiLine low-voltage distribution cabinet.
How many NH2 fuse switch disconnectors can the ABB MT244 accommodate?
The MT244 is designed for two NH2 fuse switch disconnectors.
Which fuse switch disconnector is compatible with the ABB MT244?
The MT244 is designed for ABB ZH441 NH2 fuse switch disconnectors, each rated up to 400 A and supplied separately.
What is the maximum rated current of the ABB MT244 busbar system?
The MT244 supports a 3-pole single-level busbar system with a maximum rated current of 440 A.
What size is the ABB MT244 module?
The MT244 has a module height of 3 RE / 450 mm and a field width of 2 FB / 500 mm, providing 72 space units.
What cabinet depth is required for the ABB MT244?
The ABB MT244 can be used in cabinets from 215 mm depth. The available depth in the fuse switch locking area must also be considered during cabinet design.
Does the ABB MT244 include the mounting frame?
No. The appropriate EDF or WR mounting frame must be ordered separately for the MT244 installation.
Trusted by Electrical Installation Professionals
ABB CombiLine interior expansion components provide panel builders and electrical installers with a structured system for creating organised, protected and dependable fused power distribution within professional low-voltage assemblies.
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