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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


  • 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

Item Number


Item Description (ERP)

DC Switch 320A UL 4p  

Short Description

DC Switch 1000V 320A 4 Pole 2-2 Pole Configuration  



Rated voltage DC UL

1000   V

Ampere Rating

320   A

ROHS Compliant


Short Circuit Current Rating (SCCR)

5 to 10 kA for higher ratings  

Number of Poles


Connection/Terminal Type


Rated Impulse Withstand Voltage

12   kV

Rated Insulation Voltage

1500   V

Installation Mounting

Direct Screw Mount  

Product Width

8.49   in

Product Length

8.94   in

Product Height

4.47   in

Sell Pack Quantity

1   Each