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MERSEN FUSE NH 3 500A 400V GG V223739
Mersen NH3GG40V500 DIN NH3 gG fuse link rated at 500 A and 400 V AC with double indication, live gripping lugs and 100 kA breaking capacity for industrial power distribution.
£35.18
Why Choose the Mersen NH3GG40V500 NH Fuse Link?
The Mersen NH3GG40V500 is a high-performance DIN NH gG fuse link designed to provide comprehensive protection for low-voltage electrical distribution systems, cables and industrial equipment. Manufactured by Mersen, this NH3 fuse link delivers reliable overload and short-circuit protection while meeting the requirements of IEC NH fuse standards.
Part of the trusted Mersen NH gG 400 V AC fuse series, the NH3GG40V500 features live gripping lugs and a double indicator system, enabling quicker identification of an operated fuse and safer replacement using an appropriate NH fuse puller. Its robust ceramic construction and current-limiting design help minimise damage to connected equipment during fault conditions.
With a 500 A rated current, 400 V AC operating voltage and a 100 kA breaking capacity, the NH3GG40V500 is ideally suited for industrial switchboards, power distribution panels and commercial electrical installations requiring dependable circuit protection.
Key Advantages
- Full-range gG protection for cables and electrical equipment.
- 500 A rated current for high-current industrial applications.
- 400 V AC rated voltage.
- 100 kA breaking capacity for dependable fault interruption.
- Current-limiting design helps reduce fault energy.
- Integrated double indicator system for rapid fuse status identification.
- Live gripping lugs enable safer fuse replacement.
- Designed to IEC and DIN NH standards.
Key Features
- Mersen NH gG fuse link series.
- NH3 DIN fuse size.
- 500 A rated current.
- 400 V AC rated voltage.
- Full-range gG operating characteristic.
- 100 kA AC breaking capacity.
- Double operating indicator.
- Live gripping lugs.
- Ceramic fuse body.
- Body width of approximately 70 mm.
- Clip mounting in compatible NH fuse bases.
- RoHS compliant.
Reliable Protection for Industrial Power Distribution
The Mersen NH3GG40V500 incorporates a full-range gG operating characteristic, enabling it to provide protection against both overloads and high prospective short-circuit currents. This makes it suitable as a standalone protective device for cables, switchgear and general-purpose electrical equipment.
Its current-limiting performance reduces the thermal and mechanical stresses produced during electrical faults, helping to protect switchboards, busbars, conductors and connected equipment while improving overall system reliability.
Typical Applications
- Industrial switchboards.
- Commercial power distribution.
- Cable and feeder protection.
- Electrical distribution panels.
- Industrial machinery.
- Infrastructure and utility installations.
Technical Specifications
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| Fuse Indication | Dual indicator | |
|---|---|---|
| Current | 500 A | |
| Voltage | 400 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH3 | |
| Fuse Class | gG | |
| Manufacturer | Mersen | |
| Series | NH gG Fuse Links | |
| Model | NH3GG40V500 | |
| Item number | V223739 | |
| Product type | DIN NH low-voltage fuse link | |
| Fuse characteristic | gG | |
| Fuse size | NH3 | |
| Rated current | 500 A | |
| Rated voltage | 400 V AC | |
| Breaking capacity | 100 kA AC | |
| Indicator | Double indicator | |
| Gripping lugs | Live gripping lugs | |
| Body width | 70 mm | |
| Weight | Approx. 1.05 kg | |
| Power dissipation at rated current | 31.1 W | |
| Mounting | NH fuse base | |
| RoHS compliant | Yes | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH3GG40V500 used for?
This fuse link protects low-voltage cables, electrical equipment and distribution systems against overloads and short-circuit faults.
What is the rated current of the NH3GG40V500?
The fuse has a rated current of 500 A.
What voltage is this fuse rated for?
The NH3GG40V500 is designed for operation on 400 V AC electrical systems.
What does the gG fuse characteristic provide?
The gG characteristic provides full-range protection against overloads and short circuits, making it suitable for protecting cables and general electrical equipment.
What is the breaking capacity of this fuse?
The fuse has a rated AC breaking capacity of 100 kA, allowing it to safely interrupt very high fault currents.
Trusted for Industrial Circuit Protection
Mersen NH gG fuse links are widely used by electrical engineers, panel builders and industrial maintenance professionals for dependable low-voltage circuit protection, high fault interruption capability and long-term operational reliability.
