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Approvals & Standards

  • UL listed to Standard 2579 File E333668 (70A to 600A)
  • CSA Component Certified C22.2 (70A to 400A)

Key features & benefits

Designed specifically for Mersen’s HP6J and HP10J series of photovoltaic fuses, Mersen’s HPJ fuse holders are certified for use with 90°C temperature rated conductors, an industry first. Fuse holders are available with box connectors, stud connectors or a combination of the two in order to meet various customer requirements. Insulators are either molded glass-filled polycarbonate or phenolic with verified dielectric strength in excess of 2500V. All fuse clips are made of high conductivity tin-plated copper.

More specifications


  • Re-combiner box (sub-combiner, array combiner, master combiner) applications
  • Inverter DC input
  • Battery charge controllers

Product Specifications

Item Number



Fuse Block 1000VDC Photovoltaic 400A 1-Pole Box  

EAN/UPC code


Rated voltage DC UL

1000   V


50/60   Hz

Rated current

400   A

ROHS Compliant


AC or DC


Fuse class




Number of Poles


Body/Insulating Material

Glass Filled Polycarbonate  

Installation Mounting

Direct Screw Mount  

Product Weight

3.1298   kg

Product Width

76.2   mm

Product Length

254   mm

Product Height

93.7   mm

Sell Pack Quantity

1   EA

Sell Pack Weight

3.1298   kg

Sell Pack Width

96.8   mm

Sell Pack Length

304.8   mm

Sell Pack Height

101.6   mm