MERSEN NH00GG50V63 J223016C

Mersen 63A NH00 Fuse Link

Description

The Mersen NH00GG50V63 is an industrial-grade, low-voltage high-rupturing-capacity (LV HRC) fuse link. It is designed to provide reliable overcurrent protection in electrical distribution systems, control panels, and other industrial applications. With a nominal current of 63A and a voltage rating of 500V AC, this fuse is suitable for a wide range of uses. The gG/gL characteristic ensures it is a general-purpose fuse, ideal for protecting cables and lines against both overload and short-circuit currents. This model includes a front indicator to easily identify a tripped fuse. Order now from spareparts2day for expert support and fast delivery.

Specifications

• Manufacturer: Mersen
• Part Number: NH00GG50V63 / J223016C
• Current Rating: 63A
• Voltage Rating: 500V AC
• Fuse Size: NH00
• Characteristic: gG/gL (General purpose line protection)
• Breaking Capacity: 120kA
• Standards: IEC 60269-1, VDE 0636-2

Label Info

• Brand: Mersen (Ferraz Shawmut)
• Model: NH00GG50V63
• EAN: 8430399001128
• Approvals: VDE, KEMA

Application

This fuse is widely used in industrial power distribution boards, switchgear, fuse disconnectors, and motor control centers for general circuit protection.

Country of Origin

Made in Hungary.

CO2 Impact

By choosing this new-old-stock component, you help avoid the production of a new one, saving an estimated 4.5 kg of CO2. That’s equivalent to the emissions from driving a car for over 22 kilometers.

Availability

In stock. Ready for immediate dispatch.

FAQ

What does the ‘gG/gL’ characteristic mean for this fuse?

The ‘gG’ (formerly ‘gL’) designation indicates a general-purpose fuse characteristic according to IEC standards. It is designed to protect against both overload (slow-blow) and short-circuit (fast-acting) currents, making it suitable for protecting cables, lines, and general equipment.

Is this fuse suitable for protecting semiconductor devices?

No, the gG/gL characteristic is not fast enough for protecting sensitive semiconductor devices like thyristors, IGBTs, or diodes. For those applications, you should use a high-speed fuse with an ‘aR’ or ‘gR’ characteristic.

Can I use a standard fuse puller with this NH00 size fuse?

Yes, this NH00 size fuse is designed with insulated gripping lugs. It can be safely installed and removed using a standard NH fuse handle or puller designed for live-line work, ensuring operator safety.

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Last Update: Friday, March 13, 2026