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Approvals & Standards

  • HP15FHP80W: UL 4248-19 Listed; IEC 60269-2; UKCA
  • HP15FHP80B: UL Recognized Component, evaluated to UL 4248-19; IEC 60269-2; UKCA

Key features & benefits

Mersen’s 1500VDC HelioProtection fuse holders for 20x65mm PV fuses introduce the next level of safety for higher amperege utility scale photovoltaic applications. The HP15FHP80 fuse holders are finger safe (IP20 ingress protection rated) and feature a rotating fuse carrier similar to the Mersen UltraSafe® fuse holders.

The HP15FHP80 series offers two configurations to fulfill global market requirements. One configuration offers input and output terminals that accept standard PV rated wiring and comb bus bars, providing added versatility for end-use installations. The second accepts wire and bus bar terminations. The body features high performance UL 94 V-0 rated polymer material, providing superior flammability rating, with exceptional durability and dielectric withstand properties.

More specifications


  • All photovoltaic applications
  • PV string/array level protection
  • Combiner box applications
  • In-line PV module protection
  • Inverters
  • Battery charge controllers
  • 1500VDC Combiner Boxes

Product Specifications

Voltage Range

1500VDC Maximum  

Ampere Range

80ADC Maximum  

Fuse Class


Short Circuit Current Rating (SCCR)

50 DC   kA

UL File Number


CE Conformity


REACH Compliant


Max Operating Temp.

125   °C

Min Operating Temp.

-40   °C

Max Storage Temp.

125   °C

Min Storage Temp.

-40   °C

Harmonized System


References in this series  (2)


80   A





0.43   lb


80   A





0.48   lb