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Approvals & Standards

  • UL 4248-19
  • CSA 22.2 No. 4248.19
  • IEC 60269-2

Key features & benefits

Mersen’s 1500 VDC HelioProtection fuse holders for 10/14x85mm gPV
fuses introduce the next level of safety for Utility scale photovoltaic
applications. The HP15FHM32 fuse holders are finger safe (IP20
ingress protection rated), featuring a rotating fuse carrier, similar to
the Mersen UltraSafe® fuse holders.
The HP15FHM32 series input and output terminals accept standard
PV rated wiring and comb bus bars, providing added versatility for
end-use installations. 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 Utility scale photovoltaic
  • 1500VDC Combiner Boxes

Documents & Resources

Product Specifications

Voltage Range

1500VDC Maximum  

Ampere range

32ADC Maximum  

Fuse class


Short Circuit Current Rating (SCCR)

50 DC   kA

UL file number

UL 4248-19  

CSA File number

CSA 22.2 No. 4248.19  

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 serie  (2)

Item number - Catalog No.

Ampere rating

Fuse size

Fuse Type/Class

Number of poles

Indication System

Product weight







0.0816   kg







0.0789   kg