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Approvals & Standards

  • IEC 60269-6
  • UL 2579
  • RoHS compliance

Key features & benefits

Mersen HP10NH photovoltaic (PV) fuse series was engineered and designed specifically for the protection of photovoltaic systems. Helio-Protection® HP10NH fuse links are designed for the protection of cables in a PV group of chains when a short circuit occurs in a panel (main fuse category). This HelioProtection® main fuse range enlarges our PV fuse links offering on a size having a worldwide acceptance. They are of the gPV type and comply with both IEC 60269-6 and UL 2579 PV standards.
They are also available with bolted type blades for direct mounting.

More specifications


  • All photovoltaic applications
  • Inverter DC input protection
  • Re-combiner applications (sub combiner, array combiner, master combiner)

Product Specifications

Item Number


Catalog number


Item Description (ERP)

1000VDC NH2 gPV 250A  


NH fuse-link gPV, 1000VDC, size 2, 250A  

EAN/UPC code


Rated voltage DC UL

1000   V

Rated voltage DC IEC

1000   V

Rated current

250   A





Max. Rated Breaking Capacity DC

50 kA @ 1000 V, L/R = 1 ms  

Power Dissipation at Rated Current Value

31   W

Power Dissipation at Intermediate Current Value

12.9 W @ 0.7 In   W

Contact materials

Silver-Plated Copper  

Connection/Terminal Type

Plain Blades  

Product Weight

0.6   kg

Product Width

51.00   mm

Product Length

150.00   mm

Product Height

72.00   mm

Sell Pack Quantity

3   Each

Sell Pack Weight

1.8   kg

Sell Pack Width

80.00   mm

Sell Pack Length

170.00   mm

Sell Pack Height

160.00   mm