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Siemens 3NE1227-2 SITOR Fuse Link: 250A, 690V AC

Siemens 3NE1227-2 SITOR Fuse Link

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ManufacturerSiemens

Part number3NE1227-2

Type SITOR Fuse Link

Size NH1

Current Rating (In) 250 A

Utilization Category gR

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SITOR fuse link NH1 size 250A current rating gR utilization category 690V AC / 250V DC Front indicator Blade contacts

Product description

The Siemens 3NE1227-2 is a high-performance SITOR fuse link designed for demanding industrial power applications. Built in NH1 size with blade contacts, this fuse ensures fast and reliable protection of sensitive power electronics such as converters, rectifiers, and inverters.

With a rated current of 250A, AC voltage up to 690V, and DC voltage up to 250V, this gR characteristic fuse offers both short-circuit and overload protection. The integrated front indicator allows quick visual inspection, reducing downtime and improving maintenance efficiency.

Stanlo Automation, your trusted veteran-owned surplus distributor, offers the Siemens 3NE1227-2. We are committed to providing high-quality components and exceptional customer service.

Technical specifications

Type	SITOR Fuse Link
Size	NH1
Current Rating (In)	250 A
Utilization Category	gR
Voltage Rating AC (Un AC)	690 V
Voltage Rating DC (Un DC)	250 V
Indicator	Front indicator
Contacts	Blade contacts

Common applications

Semiconductor protection

Power electronics

Converters

Rectifiers

Inverters

Industrial electrical systems

Compatible systems

Compatible with NH1 fuse bases and switch disconnectors.

Also known as

Siemens 3NE12272

Replaces / compatible with

The Siemens 3NE1227-2 is a specialized gR fuse for semiconductor protection. For exact replacement guidance, refer to Siemens' technical documentation or consult with an electrical engineer.

Technical note

Expert tip

The gR characteristic is crucial for protecting power semiconductors, offering rapid response to fault conditions that could otherwise lead to device destruction.

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Frequently asked questions

What is the advantage of the 'gR' class for the Siemens 3NE1227-2 fuse link?

The 'gR' class of the Siemens 3NE1227-2 signifies full-range semiconductor protection. This provides very fast-acting tripping characteristics, essential for safeguarding sensitive semiconductor devices from severe overcurrents and short circuits.