Product Description

Siemens Fuses for Semiconductor Protection – 3NE4 Type – 3NE43336

Reliable High-Speed Semiconductor Protection with Siemens 3NE43336

The Siemens 3NE43336 SITOR Semiconductor Fuse Link is a premium high-speed protection device specifically engineered for safeguarding sensitive semiconductor components against short-circuit currents and electrical faults. Part of the trusted Siemens SITOR 3NE4 Series, the 3NE43336 is designed to deliver ultra-fast fault interruption and superior current-limiting performance, making it ideal for industrial power electronics applications.

With a rated current of 450A and a rated voltage of 800V AC, this semiconductor fuse is optimized for protecting expensive semiconductor devices used in converters, inverters, rectifiers, UPS systems, soft starters, and variable frequency drives (VFDs). Its specialized aR utilization category ensures rapid response to fault conditions while minimizing thermal and electrical stress on sensitive components.

Available from SB Smart, the Siemens 3NE43336 offers dependable protection, high operational reliability, and long service life for critical industrial applications.

Designed Specifically for Semiconductor Protection

Semiconductor devices such as IGBTs, SCRs, thyristors, and power diodes can be damaged within milliseconds during fault conditions. The Siemens 3NE43336 is engineered to react significantly faster than conventional industrial fuses, helping reduce let-through energy (I²t) and protecting valuable electronic equipment from costly failures.

This fuse is ideal for protecting:

• IGBTs (Insulated Gate Bipolar Transistors)
• Thyristors (SCRs)
• Power Diodes
• Rectifier Modules
• Variable Frequency Drives (VFDs)
• Industrial Inverters
• Power Converters
• UPS Systems
• Renewable Energy Equipment

SITOR semiconductor fuses are specifically designed to provide rapid fault clearance and exceptional current-limiting characteristics for modern power electronics systems.

Built for Demanding Industrial Environments

Manufactured according to Siemens' rigorous engineering standards, the 3NE43336 delivers reliable performance in demanding industrial environments.

Its robust construction provides:

• Ultra-fast fault interruption
• High breaking capacity
• Excellent current limitation
• Reduced thermal stress on semiconductors
• Reliable short-circuit protection
• Long operational life
• Industrial-grade durability

The fuse is suitable for installation in fuse bases, switch disconnectors, and other industrial protection assemblies where dependable semiconductor protection is required.

Key Features of Siemens 3NE43336

• Genuine Siemens SITOR Product
• Product Code: 3NE43336
• Semiconductor Protection Fuse
• Siemens 3NE4 Series
• Rated Current: 450A
• Rated Voltage: 800V AC
• Utilization Category: aR
• High-Speed Fault Interruption
• Excellent Current-Limiting Performance
• High Breaking Capacity
• Designed for Semiconductor Protection
• Industrial-Grade Construction
• Reliable Short-Circuit Protection
• Long Service Life

Applications

The Siemens 3NE43336 Semiconductor Fuse is suitable for:

• Variable Frequency Drives (VFDs)
• Industrial Inverters
• Power Converters
• UPS Systems
• Rectifier Equipment
• Soft Starter Systems
• Renewable Energy Installations
• Solar Inverters
• Wind Energy Systems
• Industrial Automation Equipment
• Manufacturing Facilities
• Power Electronics Panels
• Process Industries
• Data Centers

Why Buy Siemens 3NE43336 from SB Smart?

At SB Smart, we supply genuine Siemens electrical products, semiconductor protection solutions, switchgear components, and industrial automation equipment. The Siemens 3NE43336 SITOR Fuse Link provides dependable protection for sensitive semiconductor devices, helping improve system reliability and reduce costly downtime.

Whether you are protecting industrial drives, converters, UPS systems, inverters, or power electronic equipment, the 3NE43336 delivers the trusted performance and quality expected from Siemens SITOR technology. 

Suitable for Customers Across India

SB Smart supplies industrial electrical products to customers across India, including Faridabad, Delhi NCR, Noida, Gurgaon/Gurugram, Ghaziabad, Manesar, Mumbai, Pune, Ahmedabad, Vadodara, Surat, Jaipur, Chandigarh, Ludhiana, Hyderabad, Bengaluru/Bangalore, Chennai, Kolkata, Indore, Lucknow and other major industrial cities and locations.

The Siemens 3NE43336 can be considered by OEMs, panel builders, electrical contractors, automation integrators, system integrators, machinery manufacturers and industrial maintenance teams requiring high-current semiconductor protection solutions.

FAQs

1. What is Siemens 3NE43336 used for?
The Siemens 3NE43336 is a semiconductor protection fuse designed to protect suitable power semiconductor components against excessive current and short-circuit conditions.

2. What is the rated voltage of 3NE43336?
The specified rated voltage is 800 V.

3. What is the rated current of Siemens 3NE43336?
The specified rated current is 450 A.

4. What type of fuse is 3NE43336?
It is a 3NE4 type semiconductor protection fuse from Siemens.

5. Where can a 450 A semiconductor protection fuse be used?
It can be considered for suitable high-current power converters, industrial rectifiers, drive systems, thyristor equipment and other industrial power-electronic applications.

6. How should Siemens 3NE43336 be selected?
Selection should consider the operating voltage and current, protected semiconductor device, prospective fault current, installation conditions and required coordination with the equipment.

7. Can SB Smart supply Siemens 3NE43336 across India?
Yes, SB Smart caters to industrial electrical product requirements across major cities and industrial locations throughout India, subject to product availability and order requirements.