Why Choose the ABB MT242B NH1 Fuse Switch Expansion 2PW?
The ABB MT242B, order code 2CPX041306R9999, is a populated NH1 fuse switch-disconnector expansion module designed for ABB CombiLine low-voltage sub-distribution systems. Supplied mounted for cabinet installation, it combines two ABB NH1 fuse switch-disconnectors with a 3-pole busbar system to provide compact fused isolation and power distribution within professional electrical assemblies.
Designed for industrial and commercial distribution applications, the MT242B is equipped with two NH1 fuse switch-disconnectors and has a maximum module rated current of 440 A. The CombiLine series design incorporates a 3-pole busbar system with M10 connection screws and separator shutters, providing a practical solution for integrating multiple high-current fused outgoing circuits into compatible ABB distribution cabinets.
The MT242B occupies 2 panel widths (PW/FB) and 3 grid units (RE), corresponding to dimensions of 450 mm high × 500 mm wide × 200 mm deep and 72 space units (PLE). It can be used from a cabinet depth of 200 mm and is compatible with both EDF and WR mounting frames, which must be ordered separately.
Key Advantages
- Complete NH1 fuse switch-disconnector expansion module for ABB CombiLine systems.
- Supplied populated with two NH1 fuse switch-disconnectors.
- Maximum module rated current of 440 A for high-current sub-distribution applications.
- Integrated 3-pole busbar system for professional power distribution.
- M10 connection screws provide secure busbar connections.
- Separator shutters are included with the populated fuse switch-disconnector arrangement.
- 72 space units (PLE) within a practical 2-panel-width format.
- Compatible with EDF and WR mounting frames.
Key Features
- ABB MT242B NH1 fuse switch-disconnector module.
- ABB order code 2CPX041306R9999.
- Part of the ABB CombiLine interior expansion system.
- Populated with 2 × NH1 fuse switch-disconnectors.
- 440 A maximum module rated current.
- 3-pole busbar system.
- Includes M10 connection screws.
- Supplied with separator shutters.
- 2 panel widths (PW/FB) and 3 grid units (RE).
- 72 space units (PLE).
- 43 mm spacing from the front edge of the equipment to the cover.
- Plastic cover with equipment cut-out in RAL 7035 light grey.
- 90-degree push-turn cover fastener.
- Suitable for cabinets from 200 mm depth.
Reliable Fused Isolation for Low-Voltage Distribution
NH fuse switch-disconnectors combine fuse protection with circuit isolation, allowing outgoing circuits to be protected against overcurrent while providing a means of safely disconnecting equipment for operation or maintenance. The ABB MT242B integrates two NH1 fuse switch-disconnectors into a modular CombiLine assembly, simplifying the construction of multiple fused outgoing circuits within a distribution cabinet.
The MT242B incorporates a 3-pole busbar arrangement and supports a maximum module rated current of 440 A. Its 2-panel-width construction, 72 space units and compatibility with EDF and WR mounting frames make it suitable for modular sub-distribution assemblies where compact, organised fused switching and isolation are required.
Typical Applications
- Low-voltage electrical distribution boards.
- Commercial and industrial sub-distribution systems.
- ABB CombiLine cabinet assemblies.
- Fused outgoing circuits requiring NH1 switch-disconnectors.
- Industrial power distribution and circuit isolation.
- Electrical switchgear and control cabinets.
- Three-pole distribution systems requiring multiple fused outgoing circuits.
