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What Type of Fuse is Recommended to be Used in a Hazardous Location?

Based on the properties of flammable gases, vapors and combustible dust that are present in an installation, a location can be designated as a hazardous location. Numerous organizations write standards for the safe operation of electrical and electronic equipment for locations with explosive atmospheres. OSHA, IEC, NEC, CEC, NFPA, ATEX, etc. have developed frameworks for classifying hazardous locations.

 

When an abnormal condition (such as a capacitor failure, IC short, etc.) occurs in an electronic circuit, an electrical fault can be created that, if not controlled quickly, can quickly cause thermal runaway, which is very hazardous, particularly in environments filled with potentially explosive gases, fuels, or dust.

 

Poll Question: What Type of Fuse is Recommended to be Used in a Hazardous Location?

 

To learn more about fuses used in hazardous locations, go here: Tech Spotlight: Hazardous Location Circuit Protection

Poll Results
  • Time Delay Fuse (0%)
    0/14
  • Fast Acting Fuse (21%)
    3/14
  • High Voltage Fuse (7%)
    1/14
  • Extrinsically Safe Fuse (0%)
    0/14
  • Dropout Fuse (0%)
    0/14
  • Striker Fuses (0%)
    0/14
  • Resettable Fuse (7%)
    1/14
  • Intrinsically Safe Fuse (64%)
    9/14
  • Switch Type Fuse (0%)
    0/14
  • Other; please explain in comments (0%)
    0/14

Comments

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