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Siemens 3NE7648-1U NH3 SITOR Fuse Link - 525A

Siemens 3NE7648-1U NH3 SITOR fuse link with slotted blade contacts.

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ManufacturerSiemens

Part number3NE7648-1U

Type SITOR fuse link

Fuse Size NH3

Rated Current (In) 525 A

Class aR

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Veteran-owned

CAGE: 9NK75

High-power semiconductor protection NH3 slotted blade contacts Exceptional AC voltage rating Front indicator for status Proven Siemens reliability

Product description

The Siemens 3NE7648-1U is a high-performance SITOR fuse link featuring NH3 slotted blade contacts. With a rated current of 525 A and an aR classification, it provides advanced semiconductor protection. This fuse link is engineered for very high AC voltages up to 2000 V and DC voltages up to 440 V, incorporating a front indicator for clear status.

This fuse link is indispensable for protecting critical high-power systems, including those found in renewable energy projects, large-scale industrial facilities, and advanced power electronics applications. It offers reliable safety for equipment operating under extreme voltage and current conditions.

Stanlo Automation, a veteran-owned surplus parts distributor, is your go-to source for reliable industrial components. We offer the Siemens 3NE7648-1U at competitive prices, ensuring you get the parts you need quickly to maintain operational continuity.

Technical specifications

Type	SITOR fuse link
Fuse Size	NH3
Rated Current (In)	525 A
Class	aR
Rated Voltage AC (Un AC)	2000 V
Rated Voltage DC (Un DC)	440 V
Contact Type	Slotted blade contacts
Indicator	Front indicator

Common applications

High-power industrial systems

Renewable energy infrastructure

Advanced power electronics

Large motor control

High-voltage equipment

Compatible systems

Designed for compatibility with NH3 fuse holders and systems requiring 525A aR protection at up to 2000V AC.

Also known as

Siemens 3NE7648-1U fuse SITOR NH3 525A fuse 525A NH3 fuse link Siemens high current fuse

Replaces / compatible with

Suitable for replacing Siemens NH3 fuse links with a 525A aR rating in demanding high-voltage industrial applications.

Technical note

Expert tip

When installing the 3NE7648-1U, ensure that the fuse holder is rated for 2000V AC and is securely fastened to prevent any movement under high fault current conditions.

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Frequently asked questions

What are the key advantages of using the Siemens 3NE7648-1U for high-voltage semiconductor protection?

The Siemens 3NE7648-1U offers superior semiconductor protection due to its aR classification and high AC voltage rating of 2000V. Its NH3 size and slotted blade contacts ensure a robust connection for high currents, while the front indicator aids in quick fault identification.