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 - EMC Solution

EMC compliant installation with MERZ Repair and Maintenance Switches - Frequency inverters are becoming more and more standard for many applications. For example for pumps, ventilators, lifts, cranes, fairground rides or machine tools. These are only sorts of many possible applications An EMC-compliant installation is therefore mandatory. The shielding of the cables requires a large sca connection to reach a permanent radiation characteristic below the given thresholds. For the Series:

  • Isolating enclosures I1 to I3
  • Isolating enclosures 8900N to 8980N
  • Isolating enclosures 8100 to 8121

MERZ - Enclosure Series 81xx

MERZ - Enclosure Series 81xx - specially developed for the installation of MERZ Compact Switches ML0 and ML1


  • Extremely UV and weather resistant, for outdoor use
  • Protection class IP66 / Impact resistance level IK06
  • Knockouts (4xD25 + 2xD16 und 4xD32/20 + 2xD16)
  • Cover mounting twist-proof with captive screws
  • Secure positioning installation
  • Easy to install
  • Compact and very robust enclosure

MERZ - String Box

MERZ Stringbox for Photovoltaic Systems


  • 4 incoming / outgoing strings each / 2 MPPT`s
  • Maximum Voltage 1005 Vdc
  • Input/Output: Max Current/String 16A(32A per MPPT)
  • acc. IEC 60947
  • Protection degree and impact resistance IP 65; IK08

Exhibitions & Events

PowerGen America
Dallas Texas

23.05.2022 (Monday)

PowerGen America Dallas TX

China Shanghai

15.06.2022 (Wednesday)

Shanghai, China

Mexico Mexico-City

12.07.2022 (Tuesday)

Mexico-City, Mexico


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