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Approvals & Standards

  • IEC 60269-6
  • RoHS Component

Key features & benefits

Mersen DC10HEL photovoltaic (PV) fuse series was engineered and designed specifically for the protection of photovoltaic systems. Its enhanced fuse construction makes it ideal for continuous temperature and current cycling withstand adding to system longevity. The 1200VDC rated DC10HEL, designed for low minimum breaking capacity capabilities of 1.30 times the fuse rated current value, allows for safe circuit interruption under typical low fault current conditions produced by PV arrays. Protect your off-grid or grid tied PV system from unexpected ground faults and line faults using Mersen HelioProtection® fuse line.

More specifications


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

Product Specifications

Voltage Range

900 ... 1200 V DC  

Ampere range

8 ... 25 A  



REACH Compliant


References in this series  (6)

Item number - Catalog No.

Ampere rating

Fuse size

Total Clearing I2t

Indication System

Product weight

A1008757 - DC10HEL9C25

25   A


1680   A²s


0.014   kg

D1014188 - DC10HEL12C8

8   A


210   A²s


0.014   kg

T1012017 - DC10HEL12C10

10   A


520   A²s


0.014   kg

X1008754 - DC10HEL12C12,5

12.5   A


310   A²s


0.014   kg

Y1008755 - DC10HEL12C16

16   A


640   A²s


0.014   kg

Z1008756 - DC10HEL12C20

20   A


1100   A²s


0.014   kg