Siemens 5SB3 950‑1 Diazed 50A Quick‑Acting DIII Fuse Links Box Of 5 New Spares

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Siemens Diazed quick‑acting fuse links, type 5SB3 950‑1, rated 50A in DIII size for rapid protection of cables and equipment. Box contains 5 new, unused fuses in original Siemens green packaging with marine and safety approvals printed on the sleeve.

Item details

• Brand: Siemens

• Model: 5SB3 950‑1 (5SB3 series Diazed fuse link)

• Type: Diazed DIII bottle fuse links, quick‑acting characteristic (often marked “F” / “Kvikk / Rapid / Snabb / Snel / Flink”)

• Size: DIII, E33 thread size (standard Diazed 50A form factor)

• Current rating: 50 A

• Voltage rating: Typically 500 V AC / 500 V DC for 5SB3 DIII fuses (see Siemens datasheet for exact rating)

• Operating class: gG general‑purpose, quick‑acting for cable and line protection

• Approvals: KEMA KEUR, various national marks and Lloyd’s Register approval symbols printed on the box

• Quantity: 5 pieces per box (marked “5 ST.” on front)

• Application: Fast protection of power distribution circuits, industrial panels and marine installations using Diazed DIII fuse bases

Condition

• New, never installed fuse links

• Box opened for inspection and photos; fuses are visually unused

• Some dust and light shelf wear on ceramic bodies and end caps due to long‑term storage

• Outer cardboard packaging shows scuffs, scratches and edge wear but remains intact

• No datasheet or additional documentation included in the box

Notes

• This is the quick‑acting version, suited where rapid disconnection is required; verify that this characteristic matches your system requirements before use.

• Buyer should confirm compatibility with existing DIII (E33) fuse holders and local electrical standards.

• Installation should be performed by qualified electrical personnel only.