Why Choose the ABB MBN369 N+PE Busbar Expansion 3PW?
The ABB MBN369, order code 2CPX041426R9999, is an unpopulated N/PE horizontal busbar expansion module designed for ABB CombiLine low-voltage sub-distribution systems. Supplied as an unassembled modular distribution kit, it provides a dedicated 2-pole platform for neutral and protective-earth busbars within professional electrical distribution assemblies.
The MBN369 is designed for a 2-pole horizontal busbar system with a maximum rated current of 320 A. It uses an ABB ZX518 busbar holder, provides a 40 mm busbar centre distance and accommodates a maximum of two copper busbars. The copper busbars must be selected and ordered separately, allowing the module to be configured for the required N/PE distribution arrangement.
The MBN369 occupies 3 panel widths (PW) and 1 grid unit (GU), corresponding to dimensions of 150 mm high × 750 mm wide × 200 mm deep with 36 space units (PLE). The 3-panel-width construction is additionally braced in the centre, is suitable for cabinets from 200 mm deep and can be installed using compatible EDF or WR mounting frames, which must be ordered separately.
Key Advantages
- Purpose-designed N/PE busbar expansion module for ABB CombiLine systems.
- Supports a maximum rated current of 320 A.
- Designed for a 2-pole horizontal busbar system.
- Accommodates up to 2 copper busbars for neutral and protective-earth distribution.
- 40 mm busbar centre distance for an organised modular arrangement.
- Equipped with an ABB ZX518 busbar holder.
- Additional centre bracing supports the 3-panel-width construction.
- Different module widths can be combined with continuous busbars within compatible cabinets.
- Compatible with both EDF and WR mounting frames.
Key Features
- ABB MBN369 N/PE busbar module.
- ABB order code 2CPX041426R9999.
- Part of the ABB CombiLine interior expansion system.
- Supplied as an unassembled kit.
- Designed for N/PE horizontal busbar distribution.
- 2-pole busbar system.
- 320 A maximum rated current.
- Supports a maximum of 2 copper busbars.
- 40 mm busbar centre distance.
- Equipped with ZX518 busbar holder.
- Additional centre bracing for the 3-panel-width module.
- 3 panel widths (PW) and 1 grid unit (GU).
- 36 space units (PLE).
- Closed plastic cover in RAL 7035 light grey.
- 90-degree push-turn cover fastener.
- Suitable for cabinets from 200 mm depth.
- Compatible with separately ordered EDF or WR mounting frames.
Flexible N/PE Distribution with Horizontal Busbars
N/PE busbar modules provide dedicated distribution points for neutral and protective-earth conductors within low-voltage electrical assemblies. The ABB MBN369 provides a 2-pole horizontal arrangement for up to two copper busbars, helping create an organised and scalable N/PE distribution system across a wide 3-panel-width CombiLine assembly.
The module uses an ABB ZX518 busbar holder with a 40 mm centre distance and supports a maximum rated current of 320 A. Copper busbars are ordered separately, allowing their dimensions and current-carrying capability to be selected for the installation, while the additional centre bracing provides mechanical support across the 750 mm module width.
Typical Applications
- Low-voltage electrical distribution boards.
- Commercial and industrial sub-distribution systems.
- ABB CombiLine cabinet assemblies.
- Neutral conductor distribution.
- Protective-earth conductor distribution.
- Horizontal N/PE busbar systems.
- Wide distribution assemblies requiring continuous N/PE busbars.
- Electrical switchgear requiring modular N/PE distribution up to 320 A.
