Our ISF Series provides reliable overcurrent protection for intrinsic safety barrier applications, with fuse options covering a wide range of ratings and hazardous location requirements.
The ISF Series includes a comprehensive selection of intrinsic safety fuses designed for use in barrier circuits across hazardous location environments. Each range – including ISF001, ISF003, ISF011, ISF012 and ISF021 – has been developed to support different current ratings, performance requirements and industry applications.
Browse the ranges below to view full specifications and available fuse values for each series.
The ISF001 Series is designed for intrinsic safety applications where reliable overcurrent protection is essential. Manufactured using high-quality Littelfuse components, this range supports low-current barrier circuits typically found in hazardous location environments.
The ISF001 fuses provide stable, fast-acting protection and are suitable for a wide variety of certified IS systems. Full specifications and available fuse values can be found within this range.
Fuse Value: 250mA ISF Part No: ISF011/250
Fuse Value: 250mA ISF Part No: ISF011/250
Fuse Value: 250mA ISF Part No: ISF011/250
ISF003 Fuse Range
The ISF003 Series is designed for intrinsic safety applications where reliable overcurrent protection is essential. Manufactured using high-quality Littelfuse components, this range supports low-current barrier circuits typically found in hazardous location environments.
The ISF003 fuses provide stable, fast-acting protection and are suitable for a wide variety of certified IS systems. Full specifications and available fuse values can be found within this range.