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Siemens 3NE4334-0B
by Siemens
Read verified buyer reviews ↓OverviewThe Siemens 3NE4334-0B SITOR semiconductor protection fuse link is meticulously engineered to provide superior safeguarding for delicate power electronic components and semiconductor devices. Designed within the robust LV HRC family, this NH2 aR class fuse is rated at 500 A, accommodating voltage capacities of 800 V AC and 440 V DC. It guarantees swift and dependable fault interruption, which is vital for maintaining system integrity and operational safety. This fuse features slotted, silver-plated blade contacts, optimized for M10 screw fixing, ensuring excellent conductivity and a secure connection. A convenient front-mounted indicator offers immediate and unambiguous fuse status monitoring, streamlining maintenance and troubleshooting. Compact yet exceptionally sturdy, the 3NE4334-0B seamlessly integrates into standard LV HRC fuse bases or switch disconnectors, making it a prime selection for various industrial and power distribution setups demanding top-tier protection and reliability. This product is readily available with standard 3-day delivery, poised to enhance your system's protection without delay.Key Features Optimized Semiconductor Protection: Specifically crafted as an aR class fuse for quick and effective protection of semiconductors and sensitive power electronics. High Current and Voltage Ratings: Offers a 500 A current rating with substantial voltage capabilities of 800 V AC and 440 V DC, suitable for rigorous applications. NH2 Size and LV HRC Design: Conforms to NH2 fuse size specifications within the robust LV HRC Design family, ensuring both compatibility and resilience. Silver-Plated Blade Contacts: Incorporates slotted, silver-plated blade contacts, ideal for M10 screw fixing, providing superior conductivity and lasting reliability. Integrated Front Indicator: Equipped with a clear, front-mounted indicator for immediate visual confirmation of fuse operational status, reducing diagnostic time. Robust Breaking Capacity: Delivers a high breaking capacity of 100 kA (IEC 60947-2), capable of effectively managing significant fault currents. Versatile Mounting: Designed for flexible installation in any orientation, though vertical placement is suggested, facilitating effortless integration into diverse configurations. Technical Specifications Manufacturer: Siemens Article Number: 3NE4334-0B EAN: 4011209005174 UPC: 662643085426 Commodity Code: 85361090 Product Family: LV HRC Design – SITOR Fuse Links Rated Current: 500 A Rated Voltage: 800 V AC / 440 V DC Fuse Size: NH2 (per EN 60269-1) Fuse Class: aR (semiconductor protection) Breaking Capacity: 100 kA (IEC 60947-2) Contact Type: Slotted silver-plated blade contacts, M10 screw fixing Indicator: Front-mounted Mounting Position: Any, preferably vertical Net Weight: 0.810 kg Packaging Dimensions: 200 × 270 × 105 mm Packaging Quantity: 1 piece Country of Origin: Greece Compliance: RoHS, IEC standards Applications Semiconductor Device Protection: Essential for safeguarding sensitive transistors, diodes, and similar semiconductor components from excessive current damage. Power Converters and Rectifiers: Provides critical protection in systems that convert AC to DC or vice-versa, ensuring stable operation. Drive and Inverter Systems: Crucial for protecting variable frequency drives and inverters utilized in motor control and industrial automation. DC Link and Renewable Energy Circuits: Ideal for protecting DC link circuits within renewable energy systems, including solar inverters and wind turbine converters. Industrial Automation and Distribution Systems: Integrates smoothly into industrial control panels and power distribution units for elevated safety. Uninterruptible Power Supplies (UPS): Ensures the robust operation and protection of UPS systems against short circuits and overloads. Why ChooseAs a Siemens product, the 3NE4334-0B epitomizes German engineering excellence, delivering consistent and dependable performance in demanding industrial environments. Its specialized aR class protection ensures rapid fault clearance, minimizing damage to costly semiconductor devices and reducing system downtime. The robust construction, high current/voltage ratings, and clear visual indicator make this fuse an indispensable component for critical power applications.Order NowEquip your systems with the leading-edge protection of the Siemens 3NE4334-0B SITOR fuse link. Contact us today or place your order directly to benefit from our standard 3-day delivery and secure the reliability of your power electronics.FAQWhat is an aR class fuse?An aR class fuse is a full-range breaking capacity fuse specifically designed for the rapid protection of semiconductors, meaning it can interrupt any current from the fuse
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Siemens 3NE4334-0B
Overview
This is a genuine Siemens component from the Siemens Fuses family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Siemens catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Siemens automation ecosystem
- Engineered to integrate inside Siemens Fuses installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Siemens equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Siemens catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Siemens platform with documented conversion notes for the Siemens Fuses family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Manufacturer: Siemens
- Article Number: 3NE4334-0B
- EAN: 4011209005174
- UPC: 662643085426
- Commodity Code: 85361090
- Product Family: LV HRC Design – SITOR Fuse Links
- Rated Current: 500 A
- Rated Voltage: 800 V AC / 440 V DC
- Fuse Size: NH2 (per EN 60269-1)
- Fuse Class: aR (semiconductor protection)
- Breaking Capacity: 100 kA (IEC 60947-2)
- Contact Type: Slotted silver-plated blade contacts, M10 screw fixing
- Indicator: Front-mounted
- Mounting Position: Any, preferably vertical
- Net Weight: 0.810 kg
- Packaging Dimensions: 200 × 270 × 105 mm
- Packaging Quantity: 1 piece
- Country of Origin: Greece
- Compliance: RoHS, IEC standards
Applications
- Semiconductor Device Protection: Essential for safeguarding sensitive transistors, diodes, and similar semiconductor components from excessive current damage.
- Power Converters and Rectifiers: Provides critical protection in systems that convert AC to DC or vice-versa, ensuring stable operation.
- Drive and Inverter Systems: Crucial for protecting variable frequency drives and inverters utilized in motor control and industrial automation.
- DC Link and Renewable Energy Circuits: Ideal for protecting DC link circuits within renewable energy systems, including solar inverters and wind turbine converters.
- Industrial Automation and Distribution Systems: Integrates smoothly into industrial control panels and power distribution units for elevated safety.
- Uninterruptible Power Supplies (UPS): Ensures the robust operation and protection of UPS systems against short circuits and overloads.
Why Choose the 3NE4334-0B?
As a Siemens product, the 3NE4334-0B epitomizes German engineering excellence, delivering consistent and dependable performance in demanding industrial environments. Its specialized aR class protection ensures rapid fault clearance, minimizing damage to costly semiconductor devices and reducing system downtime. The robust construction, high current/voltage ratings, and clear visual indicator make this fuse an indispensable component for critical power applications.
Availability & Shipping
- ▸In stock: 3NE4334-0B ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every 3NE4334-0B ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Siemens
Machine down? We ship parts the same day.
New, surplus, and refurbished Siemens inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.