259 Series - Hazardous Area Safe-T-Plus Fuse

Brand: Littelfuse, Inc

The safe-T-Plus 259 Series offers a range of encapsulated fused designed to enable greater safety for operating electronic equipment within potentially explosive environments.

Originally designed to serve the needs of gas plants, petrochemical and processing industries, these fuses are certified for use within intrinsically safe apparatus with ATEX and IECEx certifications.

The fuse design and its encapsulant are suitable for use in intrinsically safe apparatus and associated apparatus for voltage not exceeding 125V rms (190V peak).
Features
  • Hermetically sealed
  • 62 mA - 5 A Range options
  • Designed to operate within environments where there is  danger of gas explosion from faulty circuits
  • Meet certification for us within intrinsically safe apparatus for applications such as gas plants, petrochemical and processing industries
  • RoHS compliant
  • Suitable for use in Class I, Groups A, B, C and D; Class II, Groups E, F and G; Class III and Class I, Zone 0, AEx ia IIC Hazardous Locations
  • Suitable for use in Gas, Zone 0 Hazardous Locations per IEC and EN 60079 Series

Specifications

Materials

  • Body: Polyamide
  • Terminals - Tin Plated Copper Alloy
  • Maximum operating temperature of materials 130° C

Operating Temperature

  • Operating temperature depends on fuse rating and Max. allowed fuse surface temperature. (Consider re-rating)

Thermal Shock

  • Withstands 5 cycles of -55° C to 125° C

Vibration

  • Per MIL-STD-202, Method 201

Insulation Resistance (After Opening)

  • Greater than 10,000 ohms

Certificates

  • ATEX
  • IECEx
  • UL

  • Testing, Measuring or Processing Electronic and Electrical Equipment
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