Mersen NH0GG50V125-1 NH Size 0 gG fuse link rated at 125 A, 500 V AC and 250 V DC with isolated gripping lugs and a double operating indicator for industrial circuit protection.
SKU:NH0GG50V125-1Alt SKU:NH0GG50V125-1MPN:S218769
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The Mersen NH0GG50V125-1 is a premium NH gG low voltage fuse link designed to provide reliable protection for industrial electrical distribution systems, switchgear and power circuits. Manufactured by Mersen, this DIN standard NH fuse delivers dependable full-range protection against overloads and short circuits, helping protect valuable electrical equipment while improving system reliability.
Designed with isolated gripping lugs and a double operating indicator, the NH0GG50V125-1 offers improved operator safety during installation and maintenance while allowing rapid identification of an operated fuse. Its ceramic construction and silver-plated blade contacts provide dependable long-term performance in demanding industrial environments.
With a 125 A rated current, 500 V AC operating voltage and an NH Size 0 construction, this fuse link is ideally suited for protecting distribution panels, switchboards, motor control centres, OEM machinery and industrial power installations requiring reliable circuit protection.
Key Advantages
Industrial NH gG fuse link providing full-range circuit protection.
125 A rated current suitable for industrial electrical systems.
500 V AC / 250 V DC rated voltage.
Double operating indicator for quick fuse status identification.
Isolated gripping lugs improve installation and maintenance safety.
120 kA breaking capacity for dependable fault interruption.
Key Features
Mersen NH gG Fuse Link Series.
125 A rated current.
500 V AC / 250 V DC rated voltage.
NH Size 0.
gG utilisation category.
Double operating indicator.
Isolated gripping lugs.
Ceramic body with silver-plated blade contacts.
Reliable Protection for Industrial Electrical Systems
The Mersen NH0GG50V125-1 provides dependable protection against overloads and short circuits using its gG operating characteristic, making it suitable for protecting electrical cables, switchgear and industrial equipment. Its high breaking capacity enables it to safely interrupt substantial fault currents while maintaining system integrity.
Its compact NH0 design makes it suitable for installations where space is limited while maintaining the high levels of reliability expected from industrial low voltage protection devices. The isolated gripping lugs and double indicator further improve maintenance safety and efficiency.
Typical Applications
Industrial power distribution systems.
Electrical switchboards and switchgear.
Motor control centres.
Industrial automation equipment.
OEM machinery and electrical panels.
Cable and feeder circuit protection.
Technical Specifications
Current
125 A
Voltage
500 V
Manufacturer
Mersen
Series
NH gG Fuse Links
Model
NH0GG50V125-1
Item number
S218769
EAN
8430399001623
Product type
NH gG low voltage fuse link
Rated current
125 A
Rated voltage AC
500 V AC
Rated voltage DC
250 V DC
Fuse size
NH0
Operating class
gG
Breaking capacity
120 kA
Body width
30 mm
Power dissipation
11.8 W
Indicator
Double indicator
Gripping lugs
Isolated
Mounting type
NH fuse base / blade contact
Weight
Approx. 0.23 kg
RoHS compliant
Yes
HS Code
85361090
Country of Manufacture
Hungary
Frequently Asked Questions
What is the Mersen NH0GG50V125-1 used for?
It is used to provide full-range protection for industrial electrical circuits, cables and equipment against overloads and short-circuit faults.
What is the rated current of this fuse?
The NH0GG50V125-1 has a 125 A rated current.
What voltage is this fuse designed for?
This fuse is rated for operation on 500 V AC and 250 V DC electrical systems.
What does the gG utilisation category mean?
The gG operating class provides full-range protection against both overload and short-circuit conditions for general-purpose electrical circuits.
What are the benefits of isolated gripping lugs?
Isolated gripping lugs improve operator safety by reducing the risk of accidental contact during fuse installation and replacement.
Trusted for Industrial Circuit Protection
Mersen NH gG fuse links are trusted worldwide by electrical engineers, panel builders and industrial maintenance professionals for dependable protection of power distribution systems and critical electrical equipment.
Current
125 A
Voltage
500 V
Manufacturer
Mersen
Series
NH gG Fuse Links
Model
NH0GG50V125-1
Item number
S218769
EAN
8430399001623
Product type
NH gG low voltage fuse link
Rated current
125 A
Rated voltage AC
500 V AC
Rated voltage DC
250 V DC
Fuse size
NH0
Operating class
gG
Breaking capacity
120 kA
Body width
30 mm
Power dissipation
11.8 W
Indicator
Double indicator
Gripping lugs
Isolated
Mounting type
NH fuse base / blade contact
Weight
Approx. 0.23 kg
RoHS compliant
Yes
HS Code
85361090
Country of Manufacture
Hungary
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
Priority sourcing and supply support
Flexible payment terms for qualifying organisations
Support for engineering, maintenance, and operations
500 +
Stock lines ready to ship
1,000 +
Same day dispatches
3500 +
Customers supported
28
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...