Fuse Holders, Fuse Bases and Supports

UL/CSA Fuse Holders

UltraSafe US15M1HEL HelioProtection® Photovoltaic Fuse Holder

Mersen UltraSafeTM modular fuse holders introduce the next level of safety for Photovolatic applications for 10x85mm fuses. UltraSafe fuseholders are finger safe up to an IP20 grade of protection, and the 10x85mm features a p ull out, pivoting fuse carrier. The US15M1HEL is designed with terminals to accept standard stock bus bar eliminating the need for custom combed busbar, saving cost, time and simplifying installation. The body features industry leading UL94V0 material, providing superior flammability rating with exceptional durability.



  • Bus bar termination clamp
  • UL94V0 Material Flammability Rating
  • Wire terminal for use with 90°C wire
  • Wire range: 6-14 stranded, 10-14 solid. Copper wire only.
  • IP20 Finger Safe
  • Din Rail Mounting
  • Recommended fuse usage: HP15M


  • Volts (VDC) 1500 VDC
  • Ampere Range (A) up to 32A
  • I.R DC (kA) 50 kA
  • Mounting DIN-rail
  • Wiring Range 6-14 stranded
    10-14 solid. Copper wire only.
  • Number of Poles 1
  • Standards UL
  • Application All photovoltaic applications, PV string/array level protection, Combiner box applications, Inverters
  • ROHS Compliant Yes
  • Lead Free Yes
  • CE conformity Consult Technical Services
  • CSA File Card Class: 6225-30 File: 265616


  • US15M1HEL


  • CAD Drawings

    • Drawing US15M1HEL :   PDF (1.9 MB) STP (10.9 MB)



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