Why Choose the ABB MU257 Measuring Device Expansion Module?
The ABB MU257, order code 2CPX041390R9999, is a mounted measuring device expansion module designed for ABB CombiLine electrical distribution systems. Part of ABB’s DESUJ Sub Distribution product group, it provides a dedicated mounting solution for integrating electrical measuring instruments into commercial and industrial distribution cabinets.
The MU257 is supplied unequipped for four measuring devices with a 96 × 96 mm installation size. The instruments are arranged horizontally and mounted on a dedicated mounting cross beam, providing a structured installation for meters, multifunction measuring instruments and other compatible panel-mounted monitoring devices.
With a module height of 1 GU / 150 mm, a panel width of 2 PW / 500 mm and 24 space units, the MU257 provides four instrument positions within a compact horizontal assembly. It is suitable for cabinets from 225 mm depth and can be installed on compatible ABB EDF or WR mounting frames, which must be ordered separately.
Key Advantages
- Dedicated measuring device expansion module for ABB CombiLine systems.
- Prepared for four 96 × 96 mm measuring devices.
- Horizontal instrument arrangement provides an organised and accessible display layout.
- 2 PW / 500 mm panel width accommodates four measuring instruments in one modular assembly.
- Dedicated mounting cross beam provides secure support for compatible measuring devices.
- Suitable for both EDF and WR mounting frames for flexible cabinet integration.
Key Features
- ABB MU257 CombiLine measuring device expansion module.
- ABB order code 2CPX041390R9999.
- Unequipped for four measuring devices.
- 96 × 96 mm instrument installation size.
- Horizontal measuring device arrangement.
- 1 GU / 150 mm module height.
- 2 PW / 500 mm panel width.
- 24 space units.
- Measuring devices mounted on a dedicated mounting cross beam.
- Plastic covers with instrument cut-outs.
- 90-degree press-and-turn cover closure.
- RAL 7035 light grey finish.
- Suitable for cabinets from 225 mm depth.
- Compatible with ABB EDF or WR mounting frames, ordered separately.
Integrated Electrical Measurement and Monitoring
Panel-mounted measuring devices provide operators with direct access to important electrical information such as voltage, current, power, energy consumption and other system parameters, depending on the instruments installed. The ABB MU257 provides four standard 96 × 96 mm instrument positions, enabling multiple monitoring functions to be incorporated neatly into an ABB CombiLine distribution assembly.
The MU257 is supplied unequipped, allowing suitable measuring devices to be selected according to the monitoring requirements of the installation. Its horizontal arrangement, dedicated mounting cross beam and pre-cut plastic covers simplify the integration of compatible instruments while maintaining a consistent and professional cabinet layout.
Typical Applications
- Commercial and industrial sub-distribution boards.
- ABB CombiLine electrical cabinet assemblies.
- Voltage and current monitoring installations.
- Power and energy measurement systems.
- Industrial switchgear and control cabinets.
- Building electrical monitoring and distribution systems.
