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Approvals & Standards

  • UL98B File #E466972 WHVA
  • IEC 60947-3 CE

Key features & benefits

Mersen offers a range of DC disconnect switches specially designed for PV applications, in one- and two-circuit configurations for both 1000V and 1500V DC applications. The technology inside the switch and the visible contacts allow a quick, safe, and reliable DC breaking at all current levels up to 1500VDC. The product is ready and simple to install independent of the polarity, with limited power losses, and a smaller footprint than competition.

More specifications

Applications

  • Medium and large power photovoltaic installations up to 1500VDC
  • “Make and break” on load and provide safety isolation at string combiner box level

Product Specifications

Short Circuit Current Rating (SCCR)

5 to 10 kA for higher ratings  

UL file number

File E466972  

REACH Compliant

Yes  

Max Operating Temp.

40   °C

Min Operating Temp.

-5   °C

Max Storage Temp.

55   °C

Min Storage Temp.

-25   °C

Harmonized System

853650  

References in this series  (9)

Item number - Catalog No.

Ampere rating

Fuse Type/Class

Number of poles

Enclosure NEMA type

Product weight

MD100U11

100   A

-

2-Pole  

-

1.1975   kg

MD180U22

180   A

-

4-Pole  

-

2.3587   kg

MD200U11

200   A

-

2-Pole  

-

1.1975   kg

MD250U11

250   A

-

2-Pole  

-

1.1975   kg

MD250U22

250   A

-

4-Pole  

-

2.3587   kg

MD320U11

320   A

-

2-Pole  

-

-

MD320U22

320   A

-

4-Pole  

-

-

MD400U11

400   A

-

2-Pole  

-

-

MD400U22

400   A

-

4-Pole  

-

-