# Eaton NH3 Fuse Link 500V 450A 450NHG3B

**URL:** https://aio.lv/en/product--eaton-450nhg3b--12448989
**Data updated:** 2026-05-18 02:55 (EEST)
**Category:** Miscellaneous repair tools
**Manufacturer:** EATON
**Manufacturer code:** 450NHG3B
**EAN:** 5027590275927
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Eaton 450NHG3B is a high-performance NH3 size fuse link designed for industrial electrical protection. Rated at 500V and 450A, this fuse provides reliable overcurrent and short-circuit protection for power distribution systems. It features a robust construction suitable for demanding electrical installations, ensuring safety and operational continuity in various industrial applications.

## Long description

The Eaton 450NHG3B is a high-performance NH3 size fuse link engineered for robust electrical protection in industrial environments. Rated for 500V and 450A, this component is designed to safeguard power distribution systems by effectively interrupting overcurrents and short circuits. Its durable construction ensures reliable performance and operational safety in demanding electrical infrastructure.
Advantages
This fuse link offers exceptional reliability and consistent performance under heavy electrical loads. Its standardized NH3 size allows for seamless integration into existing industrial switchgear and distribution boards. The high breaking capacity ensures that the electrical system remains protected against significant fault currents, thereby minimizing the risk of damage to downstream equipment and enhancing overall facility safety.
Suitable for
Industrial power distribution systems
Main switchboards and electrical panels
Protection of electrical motors and transformers
Heavy-duty industrial machinery and equipment
When it may not be suitable
This fuse is not intended for use in low-voltage residential circuits or small-scale electronic devices where the physical size and current rating are incompatible. It is strictly designed for industrial-grade applications and should not be used in environments exceeding its rated voltage or current capacity.
Key specifications
Fuse size: NH3
Rated voltage: 500V AC
Rated current: 450A
Application: Industrial electrical protection
Function: Overcurrent and short-circuit protection
How to use
Installation should be performed by a qualified electrician in accordance with local electrical codes. Ensure the power supply is completely isolated before inserting the fuse into a compatible NH3 fuse base or disconnect switch. Verify that the fuse is firmly seated and that all electrical connections are tightened to the specified torque to prevent overheating during operation.
What to consider before purchase
Verify that the fuse base is compatible with the NH3 size standard.
Ensure the system voltage and current requirements match the 500V and 450A ratings.
Check the environmental conditions to ensure they are within the operating limits for industrial fuses.
Usage recommendations
Always replace a blown fuse with one of the exact same rating and type to maintain system integrity and safety. Do not attempt to repair or bypass a fuse link under any circumstances.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All EATON products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized EATON service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

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