PSX1XLDB0630 - PSX Series

Series: PSX
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Littelfuse PSX series 1500 V dc high-speed square body fuses are specially designed to protect of battery energy storage systems (BESS), photovoltaic inverters, and many of dc applications such as dc common bus systems, larger industrial regenerative drives, rectifiers, metal processing equipment.

The PSX series fuses are extremely fast acting, offering high-speed performance up-to 1500 V dc, ranging from 80 A to 1400 A in the smallest NH XL package sizes. The PSX series is available with multiple mounting terminations including flush-end style, DIN-style and bolted-blade style. Visual blown fuse indication option is standard on all fuses and optional micro-switch is available for external indication. PSX series are certified to UL248-13 and designed to meet EN high-speed semiconductor fuse standard and upcoming battery protection fuse standard.



  • High dc voltage rating up to 1500 V dc
  • Dc interrupting rating available up to 250 kA at 1500 V dc
  • Extremely fast acting (high-speed performance)
  • Low watt loss (energy efficiency for BESS applications)
  • Compact NH 1XL and 3XL sizes
  • Meets IEC 60269-4 Std. Class aR



  • Battery energy storage systems (BESS)
  • Power conversion systems
  • Dc common bus systems
  • Hybrid PV-BESS inverters
  • Regenerative drives
  • Industrial heaters and welding equipment
  • Metal processing industries
Property (Mouseover for details) Value
Ampere Rating (A) 630
Interrupting Rating 250 kA @ 1500 Vdc
Opening Very Fast-Acting (FF)
Case Size NH 1XL
Amp Code (Part Number) 630
Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s)
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