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Approvals & Standards

  • IEC 60269-6
  • RoHS compliance
  • UL 248-19 for fuses (pending for 1XL, 2XL)
  • (E358319, Volume 1, Section 1)
  • UL 4248-19 for fuseholders, Photovoltaic
  • (E362644 Volume 1)

Key features & benefits

Mersen HP15NH photovoltaic (PV) fuse serie was engineered and designed specifically for the protection of photovoltaic systems. Helio-Protection® HP15NH 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 1XL/2XL/3L sizes having a worldwide acceptance. They are of the gPV type and comply with both IEC 60269-6 and UL 2579 PV standards.
They are available with plain blades, bolted blades for direct mounting with and without striker.

More specifications


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

Product Specifications

Item Number


Catalogue No.


Item Description (ERP)

1500VDC NH1XL gPV 125A K BOLT  

Short Description

NH-fuse-links gPV 1500VDC direct mounting 1 125A  



Rated voltage DC UL

1500   V

Rated voltage DC IEC

1500   V

Ampere Rating

125   A

AC or DC




Fuse Size



Direct Mount  

Max. Rated Breaking Capacity DC

50 kA @ 1500 V, L/R = 1 ms  

Power Dissipation at Rated Current Value

30   W

Power Dissipation at Intermediate Current Value

12.2 W @ 0.7 In   W

Connection/Terminal Material

Silver-Plated Copper  

Connection/Terminal Type

DIN Type Blades  

Product Weight

1.521   lb

Product Width

1.56   in

Product Length

7.56   in

Product Height

2.07   in

Sell Pack Quantity

1   EA

Sell Pack Weight

1.521   lb

Sell Pack Width

4.53   in

Sell Pack Length

9.06   in

Sell Pack Height

4.33   in