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China Suppliers Factory Low Voltage NH00 HRC Fuse 100A for Reliable Overload and Short Circuit Protection
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China Suppliers Factory Low Voltage NH00 HRC Fuse 100A for Reliable Overload and Short Circuit Protection

NH fuses are essential components for power systems, designed to safeguard electrical equipment from irregular conditions, including overloads and short circuits. Typically utilized in both AC and DC circuits with a rated voltage of up to 690V, these fuses play a crucial role in ensuring the reliability and safety of your electrical infrastructure. As a leading manufacturer in China, our factory produces high-quality NH fuses, making us a trusted supplier for businesses seeking dependable solutions for electrical protection.

    Description

    NH fuses (also known as NH Knife Blade Fuses or DIN NH Blade Fuses) were defined in the German DIN standard 43620 around 1944. They were primarily designed as general purpose fuses for the protection of conductors. NH fuses are one-time fuses, meaning once they have blown, they must be replaced with a new fuse with the same characteristics.

    NH Fuse Construction

    NH fuses are constructed from a rectangular ceramic casing enclosed by a cover plate that features a metal blade style terminal on each end. The fuse element inside the casing is connected to the cover plate / blade terminals. The majority of NH Fuses have a trip indicator to show if the fuse element has blown. Each cover plate includes a metal extraction lug that enables quick removal of the fuse from a holder when using the recommended NH fuse puller tool.

    How to choose NH fuse?

    1. Physical Dimensions

    Choose the correct size from standard options: NH00, NH1, NH2, NH3, NH4.

    2. Electrical Ratings

    Select a rated voltage equal to or greater than the rated voltage, and the current you require. Too high or too low current cannot effectively protect the circuit.

    3. Fuse Base / Disconnector

    We supply both options, available in 1 pole to 4 poles. Choose the correct configuration you need.

    Where can I buy NH Fuses?

    Our factory has rich experience in producing NH series fuses. The products have passed CE and can be sold to EU countries. High-quality ceramics and high-quality copper provide better quality. SR brand gives you reliable products and better customer service.

    Here’re our product specifications. If you have any questions, please contact us on Whatsapp/Email.

    NH Fuse Specifications

    Frequently Asked Questions

    What are NH fuses used for?
    NH fuses (or NH Knife Blade Fuses) are general-purpose fuses primarily designed for the reliable protection of electrical conductors and circuits.
    Can NH fuses be reused after they blow?
    No, NH fuses are one-time use fuses. Once the fuse element has blown, the entire fuse unit must be replaced with a new one matching the exact same electrical characteristics.
    What sizes of NH fuses do you offer?
    We supply standard physical dimensions including NH00, NH1, NH2, NH3, and NH4 to fit various industrial and electrical installations.
    Are your NH series fuses certified for international markets?
    Yes, our NH series fuses have successfully passed CE certification, making them compliant and ready for sale and distribution in EU countries.
    Do you supply compatible fuse bases and disconnectors?
    Yes, we provide both compatible fuse bases and fuse disconnectors, available in configurations ranging from 1-pole to 4-poles.