Socomec 67320630 NH Size 3 Industrial Fuse

Description

The Socomec 67320630 is a high-performance NH-type fuse, Size 3, designed for industrial low-voltage applications. It provides reliable and safe protection for electrical installations, cables, and equipment against overloads and short-circuits. With its gG/gL characteristic, it is a versatile solution for general-purpose protection.

Specifications

• Manufacturer: Socomec
• Part Number: 67320630
• Fuse Size: NH3
• Rated Current: 630A
• Rated Voltage: 500V AC
• Fuse Characteristic: gG/gL (General Purpose Line Protection)
• Breaking Capacity: 120kA
• Indicator: Dual Indicator

Label Info

• Model: T.3 gL/gG
• Standards: IEC 60269-2-1, VDE 0636-201

Application

This fuse is ideal for use in industrial distribution boards, main switchboards, and as backup protection for motor starters and other critical equipment in manufacturing plants and commercial buildings.

Country of Origin

Made in France.

CO2 Impact

Choosing a pre-owned component like this Socomec fuse prevents the emissions associated with new manufacturing, saving an estimated 16.5 kg of CO2. This is equivalent to driving a car for over 82 kilometers.

Availability

This item is in stock and ready for worldwide shipping. Order now from PLC2Day for expert support and fast delivery.

FAQ

What does the 'gG' characteristic signify?

The 'gG' characteristic indicates a general-purpose fuse for full-range breaking capacity. It is designed to protect against both overload currents (the 'g') and short-circuit currents, making it suitable for protecting cables and general equipment.

No, gG fuses are not fast-acting enough to protect sensitive semiconductor devices like thyristors, diodes, or IGBTs. For those applications, you should use ultra-rapid fuses with 'aR' or 'gS' characteristics.

The 120 kA (kiloamperes) breaking capacity is the maximum fault current that the fuse can safely interrupt without rupturing or causing a hazard. This high rating ensures safety in industrial systems where potential short-circuit currents can be very large.

Last Update: Friday, March 13, 2026

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