S520 Fast-Acting Ceramic Tube Fuses

Eaton Electronics S520 Fast-Acting Ceramic Tube Fuses provide reliable overcurrent protection up to 20A and 420VAC for high power and higher voltage applications, respectively. Typical applications include data centers, telecom systems, and intelligent commercial buildings. The S520 fuses are available in a compact small-footprint 5mm x 20mm cartridge or axial leaded packages, providing excellent board savings. These fuses can withstand operating temperatures ranging from -55°C to +125°C, making them suitable for use in various environments. All products are lead-free, halogen-free, and RoHS compliant.

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Eaton Electronics Cartridge Fuses 12.5A 420V FAST ACTING
Datasheet
448In Stock
Min.: 1
Mult.: 1

S520 Ceramic Fuses 12.5 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 8.1 mOhms
Eaton Electronics Cartridge Fuses 10A 420V FAST ACTING
Datasheet
186In Stock
Min.: 1
Mult.: 1

S520 Ceramic Fuses 10 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 8 mOhms
Eaton Electronics Cartridge Fuses 15A 420V FAST ACTING
Datasheet
131In Stock
Min.: 1
Mult.: 1

S520 Ceramic Fuses 15 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 6.8 mOhms
Eaton Electronics Cartridge Fuses 16A 420V FAST ACTING
Datasheet
138In Stock
Min.: 1
Mult.: 1

S520 Ceramic Fuses 16 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 6.1 mOhms
Eaton Electronics Cartridge Fuses 20A 420V FAST ACTING
Datasheet
93In Stock
Min.: 1
Mult.: 1

S520 Ceramic Fuses 20 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 5 mOhms
Eaton Electronics Cartridge Fuses 8A 420V FAST ACTING
Datasheet
223In Stock
Min.: 1
Mult.: 1

S520 Ceramic Fuses 8 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 9 mOhms
Eaton Electronics Cartridge Fuses 10A 420V FAST ACTING
Datasheet
166In Stock
Min.: 1
Mult.: 1

S520 Ceramic Fuses 10 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 8 mOhms
Eaton Electronics Cartridge Fuses 15A 420V FAST ACTING
Datasheet
93In Stock
Min.: 1
Mult.: 1

S520 Ceramic Fuses 15 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 6.8 mOhms
Eaton Electronics Cartridge Fuses 8A 420V FAST ACTING
Datasheet
268In Stock
Min.: 1
Mult.: 1

S520 Ceramic Fuses 8 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 9 mOhms


Eaton Electronics Cartridge Fuses S520 420Vac, 12.5A, bulk
Datasheet
59In Stock
Min.: 1
Mult.: 1

S520 Ceramic Fuses 12.5 A 5 mm x 20 mm Bulk
Eaton Electronics Cartridge Fuses 20A 420V FAST ACTING
Datasheet
2Expected 2/7/2026
Min.: 1
Mult.: 1

S520 Ceramic Fuses 20 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 5 mOhms
Eaton Electronics Cartridge Fuses S520 420Vac, 10A, BK1
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,000
Mult.: 1,000

S520 Ceramic Fuses 10 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 8 mOhms
Eaton Electronics Cartridge Fuses S520 420Vac, 12.5A, BK1
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,000
Mult.: 1,000

S520 Ceramic Fuses 12.5 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 8.1 mOhms
Eaton Electronics Cartridge Fuses S520 420Vac, 15A, BK1
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,000
Mult.: 1,000

S520 Ceramic Fuses 15 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 6.8 mOhms
Eaton Electronics Cartridge Fuses S520 420Vac, 16A, BK1
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,000
Mult.: 1,000

S520 Ceramic Fuses 16 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 6.1 mOhms
Eaton Electronics Cartridge Fuses S520 420Vac, 20A, BK1
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,000
Mult.: 1,000

S520 Ceramic Fuses 20 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 5 mOhms
Eaton Electronics Cartridge Fuses S520 420Vac, 8A, BK1
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,000
Mult.: 1,000

S520 Ceramic Fuses 8 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 9 mOhms
Eaton Electronics Cartridge Fuses S520 420Vac, 10A, standard
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

S520 Ceramic Fuses 10 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 8 mOhms
Eaton Electronics Cartridge Fuses S520 420Vac, 12.5A, standard
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

S520 Ceramic Fuses 10 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 8.1 mOhms
Eaton Electronics Cartridge Fuses S520 420Vac, 15A, standard
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

S520 Ceramic Fuses 15 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 6.8 mOhms
Eaton Electronics Cartridge Fuses S520 420Vac, 16A, standard
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

S520 Ceramic Fuses 16 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 6.1 mOhms
Eaton Electronics Cartridge Fuses S520 420Vac, 20A, standard
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

S520 Ceramic Fuses 20 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 5 mOhms
Eaton Electronics Cartridge Fuses S520 420Vac, 8A, standard
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

S520 Ceramic Fuses 8 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Bulk 9 mOhms
Eaton Electronics Cartridge Fuses S520 axial 420Vac, 10A, tape and reel
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

S520 Ceramic Fuses 10 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Reel 8 mOhms
Eaton Electronics Cartridge Fuses S520 axial 420Vac, 12.5A, tape and reel
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1,500
Mult.: 1,500
Reel: 1,500

S520 Ceramic Fuses 12.5 A Fast Blow 5 mm x 20 mm 420 VAC 1.5 kA at 250 VAC Board Mount Axial - 55 C + 125 C Reel 8.1 mOhms