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Approvals & Standards

• UL recognized fuse holder, evaluated to UL 4248-19, file no. E493746
• CSA - CSA Standard C22.2 No 4248.19

Key features & benefits

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

More specifications


• All photovoltaic applications
• Combiner box applications

Product Specifications

Voltage Range

1500VDC Maximum  

Ampere Range

32ADC Maximum  

Fuse Class


Short Circuit Current Rating (SCCR)

50 DC   kA

UL File Number

UL 4248-19  

CSA File number

CSA 22.2 No. 4248.19  

CE Conformity


REACH Compliant


Max Operating Temp.

125   °C

Min Operating Temp.

-40   °C

Max Storage Temp.

125   °C

Min Storage Temp.

-40   °C

Harmonized System


References in this series  (1)


32   A





0.0185   lb