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Siemens 5SB221 DIAZED Fuse Link - 4A, 500V, Size DII

Siemens 5SB221 DIAZED Fuse Link - 4A

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ManufacturerSiemens

Part number5SB221

Type DIAZED Fuse Link

Amperage 4A

Voltage Rating 500V AC/DC

Utilization Category gG

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12-month warranty

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Veteran-owned

CAGE: 9NK75

4A rated current 500V AC/DC voltage gG for general purpose protection Size DII with E27 base Ceramic construction Reliable short-circuit and overload protection

Product description

The Siemens 5SB221 is a DIAZED fuse link featuring a 4A rating and a 500V voltage capacity. Classified under the gG utilization category, it is engineered for robust cable and line protection. This fuse link utilizes the DII size and an E27 screw base, ensuring compatibility with standard mounting systems.

This essential safety component is designed to interrupt electrical circuits during overcurrent events, protecting equipment and personnel. It is widely used in industrial control systems, power distribution panels, and commercial electrical installations.

Source your Siemens 5SB221 fuse links from Stanlo Automation, a veteran-owned distributor committed to providing quality surplus industrial parts. We offer dependable service and a wide selection.

Technical specifications

Type	DIAZED Fuse Link
Amperage	4A
Voltage Rating	500V AC/DC
Utilization Category	gG
Size	DII
Base Type	E27
Interrupt Rating	50 kAIC

Common applications

Industrial electrical systems

Control cabinets

Distribution networks

Machine safety

Supplementary circuit protection

Compatible systems

Standard DII E27 fuse bases

Also known as

Siemens 5SB221 fuse DIAZED DII 4A fuse

Replaces / compatible with

This 5SB221 fuse link is a reliable replacement for Siemens DIAZED fuse links of the same rating and size, compatible with all standard DII E27 bases.

Technical note

Expert tip

The brown color coding of the 5SB221 fuse link aids in quick identification in densely populated electrical panels.

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Frequently asked questions

What is the breaking capacity of the Siemens 5SB221 fuse link?

The Siemens 5SB221 DIAZED fuse link has a breaking capacity of 50 kAIC at 500V AC and 8 kA at 500V DC, providing robust protection against high fault currents.