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Siemens 5SD450 SILIZED Fuse Link — 35A, 500V, Quick-acting

Siemens 5SD450 SILIZED quick-acting fuse link for semiconductor protection.

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ManufacturerSiemens

Part number5SD450

Type SILIZED fuse link

Size DIII

Base E33

Current Rating 35A

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12-month warranty

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SILIZED fuse link Semiconductor protection Quick-acting characteristic DIII size 35A current rating 500V AC voltage

Product description

The Siemens 5SD450 is a SILIZED fuse link, characterized by its quick-acting (F) response for semiconductor protection. This fuse is of DIII size with an E33 base, rated at 35A and 500V AC. It is designed to offer rapid interruption of fault currents, thereby protecting sensitive electronic components from damage.

This fuse link is essential for high-power electronic applications such as industrial inverters, motor controllers, and solid-state relays where fast fault clearing is critical. Its quick-acting nature minimizes the impact of transient overcurrents on protected equipment.

Stanlo Automation, a veteran-owned supplier of industrial surplus parts, carries the Siemens 5SD450. We are committed to providing reliable components and exceptional service to meet your automation needs.

Technical specifications

Type	SILIZED fuse link
Size	DIII
Base	E33
Current Rating	35A
Voltage Rating	500V AC
Characteristic	Quick-acting (F)
Application	Semiconductor protection
Manufacturer	Siemens

Common applications

Industrial inverters

Motor controllers

Power electronics

Solid-state relays

Semiconductor protection

Compatible systems

Standard DIAZED fuse holders (DIII size) High-power electronic circuits

Also known as

Siemens 5SD450 fuse SILIZED 35A fuse Siemens DIII quick-acting fuse

Replaces / compatible with

Designed as a replacement for Siemens SILIZED fuse links with similar specifications.

Technical note

Expert tip

Ensure the appropriate DIII fuse holder with E33 base is used for the Siemens 5SD450 to guarantee correct installation and performance.

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Frequently asked questions

What specific protection does the Siemens 5SD450 offer?

The Siemens 5SD450 offers quick-acting (F) protection, meaning it interrupts overcurrents very rapidly. This is crucial for safeguarding sensitive semiconductor devices, like transistors and SCRs, from damage caused by fast-rising fault currents in power electronic systems.