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Siemens SITOR Fuse Link 3NE4333-6

Siemens 3NE4333-6 SITOR semiconductor protection fuse link.

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ManufacturerSiemens

Part number3NE4333-6

Rated Current (In) 450 A

Rated Voltage AC (Un AC) 800 V

Rated Voltage DC (Un DC) 440 V

Utilization Category aR

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SITOR Semiconductor Protection 450A / 800V AC Rating Fast-acting 'aR' characteristic Front Indicator Protects Power Semiconductors

Product description

The Siemens 3NE4333-6 is a SITOR fuse link designed for high-level protection of power semiconductors. It features a current rating of 450A and is suitable for AC voltages up to 800V and DC voltages up to 440V. This fuse link is characterized by its fast-acting 'aR' (accompanied semiconductor protection) characteristic, ensuring rapid shutdown in fault conditions to protect sensitive electronic components.

This fuse link is crucial in applications such as frequency converters (input and DC link), UPS systems, and motor soft-starters. Its primary role is to provide reliable protection against short circuits and overloads, thereby safeguarding valuable equipment and ensuring operational continuity in industrial power systems.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 3NE4333-6. We are committed to providing essential industrial components, ensuring that your critical systems remain protected and operational. Trust Stanlo Automation for your surplus fuse and protection needs.

Technical specifications

Rated Current (In)	450 A
Rated Voltage AC (Un AC)	800 V
Rated Voltage DC (Un DC)	440 V
Utilization Category	aR
Indicator	Front Indicator
Thread	Female thread on both sides

Common applications

Frequency Converters

UPS Systems

Motor Soft-Starters

Industrial Power Supplies

DC Link Protection

Compatible systems

Compatible with industrial systems requiring high-speed semiconductor protection, such as variable frequency drives and uninterruptible power supplies.

Also known as

Siemens 3NE4333-6B SITOR 3NE4333-6 Siemens semiconductor fuse

Replaces / compatible with

This fuse is designed for semiconductor protection and can replace other aR-rated fuses with similar voltage and current specifications in critical power electronic applications.

Technical note

Expert tip

Ensure the correct utilization category (aR) is selected for semiconductor protection to guarantee optimal device safety and performance.

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Frequently asked questions

What is the primary application for the Siemens 3NE4333-6 SITOR fuse link?

The Siemens 3NE4333-6 is primarily used for the protection of power semiconductors in applications like frequency converters, UPS systems, and motor soft-starters. Its fast-acting 'aR' characteristic ensures rapid shutdown during short circuits.