MERZ Switchgear

MERZ Switchgear now offers a wide range of high-quality products on switching devices. The products have been known for their reliability for decades, even in the most difficult applications and environmental conditions.


MERZ Series MSB DC-Combiner Boxes

The NEW MERZ Series MSB DC-Combiner Boxes


  • DC combiner box for photovoltaic applications
  • Standard versions 5 to 24 strings, optionally with monitoring.
  • Maintenance-free 400A DC switch-disconnector
  • Easy to connect, all connections in the cable run
  • Overvoltage protection devices SPD Type 2, or type 1/2
  • High-quality glass fiber reinforced plastic enclosures
  • UV and weather resistant
  • Project-specific solutions available on request at any time.

MERZ - ONLINE-Product Search

The new MERZ Switchgear -
ONLINE Product Search


  • Input of a MZ number (MZxxxx)
  • Product images and 3D model
  • Technical data table
  • Product schematic
  • Downloads of photo/dimension/CAD data/schematic/performance data
  • Download (Zip) all media for the product


The MERZ - Mains-Generator-Changeover-Switch in alu enclosure with CEE attachment plug


  • 1 (Mains) - 0 - 2 (Generator) / 4-pole / 4 Contact
  • Cover coupling with cable entries top / bottom
  • Attachment plug angled acc. to DIN VDE 0100-551 4.2.2
  • Protective conductor position 1 h encoded
  • Cable entries top / bottom 2 pieces each
  • Cast aluminium enclosure ALSi9CU

Exhibitions & Events

Columbia Medellin

13.11.2023 (Monday)

Medellin, Columbia

Germany Frankfurt

03.03.2024 (Sunday)

Frankfurt, Germany

LogiMAT Stuttgart

19.03.2024 (Tuesday)

Stuttgart Germany


Who seeks success, needs direction.

MERZ Switchgear found it from the very beginning. Namely, in the direct alignment of every
corporate activity to exceed customer needs.

For many years this fundamental determination has
proven to be the perfect foundation for all pillars that carry the corporate philosophy

  • Every order is claim to individuality Tailored for your project
  • Requirements analysis - Ideas mature, concepts convince
  • Gear selection - Requirement profile, solution proposal scheduling
  • Pilot phase - Sampling, quality assessment
  • Conceptual design - Order placement, order processing - Lead the way to success

Represented worldwide