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Approvals & Standards

  • IEC 60269-7 Draft
  • RoHS compliance

Key features & benefits

Mersen NH gBat fuse series was engineered specifically for protection
of battery systems. They offer full range protection and can protect
very small over currents as well as DC fault current up to 150kA. The
NH gBat fuses serie covers various ratings in 1000VDC with NH1 and
NH2 sizes, and in 1500VDC with NH1XL, NH2XL and NH3L. They are
of the gBat type that comply with new IEC 60269-7 standard draft
for Battery protection. They are available with bolted type blades for
direct mounting, or with plain blades.

More specifications


  • Electrical energy storage
  • Battery storage system
  • Line protection between battery
system and DC/DC converter or
battery inverter
  • DC grid protection

Product Specifications

Item Number


Catalog number


Item Description (ERP)

1500VDC NH3L gBAT 250A  


NH fuse-link gBAT, 1500VDC, size 3L, 250A  

EAN/UPC code


Rated voltage DC IEC

1500   V

Rated current

250   A



Fuse size




Max. Rated Breaking Capacity DC

150 kA @ 1500 V, L/R = 3 ms  

Power Dissipation at Rated Current Value

50   W

Power Dissipation at Intermediate Current Value

20 W @ 0.7 In   W

Contact materials

Silver-Plated Copper  

Connection/Terminal Type

Plain Blades  

Product Weight

1.69   kg

Product Width

70.1   mm

Product Length

205   mm

Product Height

84.6   mm

Sell Pack Quantity

1   EACH

Sell Pack Weight

1.69   kg

Sell Pack Width

115.1   mm

Sell Pack Length

230.1   mm

Sell Pack Height

110   mm