520 Series Metric OMNI-BLOK® Fuse Blocks

Littelfuse 520 Series Metric OMNI-BLOK® Fuse Blocks are low-profile designs available with a choice of solder-type terminals, NEMA-style QC terminals, or PC board mountable terminals. These fuse block designs consist of tin-plated brass terminals. The 520 series fuse blocks provide self-alignment of the clips to the fuse caps. These fuse blocks feature a one-piece clip/terminal and an anti-one-piece clip/terminal design, which assures low contact resistance. The 520 series fuse blocks incorporate 1500V minimum dielectric strength. These fuse blocks come in 5mm × 20mm size. The 520 series fuse blocks feature UL 94V-0 flammability rating and are RoHS compliant.

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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
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Littelfuse Fuse Holder 5x20mm PCB Mount
Datasheet
26,600In Stock
15,000Expected 03/12/2026
€1.81
€1.80
Min.: 1
Mult.: 1
520 Fuse Blocks 5 mm x 20 mm Low Profile PCB Mount 1 Pole 10 A 600 V PC Pin - 40 C + 85 C Bulk
Littelfuse Fuse Holder Fuse Block 5x20mm 20A 600 VDC/VAC, Q.C. NEMA .110", Green 483In Stock
€3.31
€3.02
€2.92
€2.29
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Min.: 1
Mult.: 1
520 Fuse Blocks PCB Mount 20 A 600 VAC/600 VDC Bulk
Littelfuse Fuse Holder Fuse Block 5x20mm 20A 600 VDC/VAC, Solder, Green 474In Stock
€3.38
€3.08
€2.97
€2.33
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Min.: 1
Mult.: 1
520 Fuse Blocks PCB Mount 20 A 600 VAC/600 VDC Bulk
Littelfuse Fuse Holder Fuse Block 5x20mm 20A 600 VDC/VAC, Q.C. NEMA .110", Blue 437In Stock
€3.25
€2.96
€2.86
€2.24
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Min.: 1
Mult.: 1
520 Fuse Blocks PCB Mount 20 A 600 VAC/600 VDC Bulk
Littelfuse Fuse Holder 5x20mm QC Term
Datasheet
3,767In Stock
€1.62
€1.49
€1.24
€1.14
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Min.: 1
Mult.: 1
520 Fuse Blocks 5 mm x 20 mm Low Profile Panel Mount 1 Pole 10 A 600 V Quick Connect - 40 C + 85 C Bulk
Littelfuse Fuse Holder 5x20mm Sldr Termo
Datasheet
129In Stock
6,202On Order
€2.10
€1.75
€1.62
€1.34
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Min.: 1
Mult.: 1
520 Fuse Blocks 5 mm x 20 mm Low Profile Panel Mount 1 Pole 10 A 600 V Solder Lug - 40 C + 85 C Bulk
Littelfuse Fuse Holder 5x20mm QC Term
Datasheet
143In Stock
€1.64
€1.40
€1.31
€1.12
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Min.: 1
Mult.: 1
520 Fuse Blocks 5 mm x 20 mm Low Profile Panel Mount 1 Pole 10 A 600 V Quick Connect - 40 C + 85 C Bulk