Littelfuse 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.Features
- Low profile design
- Solder-type terminals, NEMA-style QC terminals, or PC board mountable terminals
- Tin-plated brass terminals
- One-piece clip/terminal and anti-one-piece clip/terminal designs
- 1500V minimum dielectric strength
- -40ºC to 85ºC ambient temperature range
Dimension Diagram
View Results ( 7 ) Page
| Part Number | Datasheet | Current Rating | Voltage Rating | Color |
|---|---|---|---|---|
| 05200101Z | ![]() |
10 A | 600 V | Black |
| 05200007ZXGR | 20 A | 600 VAC/600 VDC | Green | |
| 05200008ZXGR | 20 A | 600 VAC/600 VDC | Green | |
| 05200009ZBLU | 20 A | 600 VAC/600 VDC | Blue | |
| 05200003Z | ![]() |
10 A | 600 V | Black |
| 05200004Z | ![]() |
10 A | 600 V | Black |
| 05200005ZXGY | ![]() |
10 A | 600 V | Gray |
Published: 2024-08-16
| Updated: 2025-02-17

