SPXI Series - 1500 Vdc - In-Line Solar Fuses

Brand: Littelfuse, Inc

The Littelfuse SPXI solar fuse is specifically designed for the protection of photovoltaic (PV) systems.

It integrates into an in-line assembly within a wire harness and can be electrically insulated by either overmolding or using heat-shrink.

Littelfuse offers multiple ampere ratings to match specific requirements in a variety of applications.
Features
  • Offers higher amperage protection in less space for increased design flexibility
  • One-piece cap design, without joints, offers easier wire crimping and more streamlined molding
  • No fuse holder required helps save space, time, and money
  • 50,000 A interrupting rating
  • UL 248-19 Recognized

Specifications

Voltage Rating

  • 1500 Vdc

Amperage Rating

  • 1, 2, 2.25, 2.5, 3, 3.5, 4, 4.5, 5, 6, 8, 10, 12, 15, 16, 20, 25, 30, 32, 35, 40, 45, 50, 55, 60 A

Interrupting Rating

  • SPXI 1-30 A and SPXI-B 1-20 A: 30 kA
  • SPXI 35-50 A and SPXI-B 35-60 A: 50 kA
  • SPXI-M and SPXI-BM 25-32A: 50 kA

Time Constant

  • ≤ 1 ms

Material

  • Body: Melamine
  • Caps: Copper Alloy (Nickel-Plated)

Approvals

  • UL Recognized (File E339112)
  • TÜV (Cert: J 50495785)

Applicable Standards

  • UL 248-1, 248-19
  • IEC 60269-6 (electrically only)

Environmental

  • RoHS Compliant
  • REACH

Country of Origin

  • Mexico

US Patent

  • 9,564,281

  • Photovoltaic High-Capacity Homerun, Trunk Harness, and Wire Harness
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