SPXC2.25 is a Littelfuse PV / gPV fuse rated 2.25A for 1500 V DC. It uses Fast-Acting / Full-Range operation with 15 kA DC (UL 248-19); 50 kA DC self-certified interrupting capability, suited to pv inverters.
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For maintenance and sourcing, Littelfuse SPXC2.25 provides a 2.25A rating with 1500 V DC in the SPXC family. The 1500 V Solar String Fuse format uses Fuse block / cartridge mounting and Ferrule terminals, with 15 kA DC (UL 248-19); 50 kA DC self-certified fault-interruption data. Package detail: 10×57 mm solar fuse; 10.31 mm diameter × 57.2 mm nominal length. Typical applications include PV inverters; combiner boxes. Published standards/approvals reference UL 248-1; UL 248-19; IEC 60269-6 (electrical). 1500 V DC low-amp solar string fuse; melamine body with nickel-plated copper-alloy caps. Verify coordination, derating and final suitability against the current Littelfuse datasheet before design-in.
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