MERSEN FUSE NH3 500KVA 400V GTR TI NH32GTR500KVA-8

Q: What voltage is this fuse rated for?

The fuse has a 400 V AC voltage rating for low voltage electrical distribution systems.

Mersen NH32GTR500KVA-8 DIN NH3 gTr fuse link with 722 A current rating and 400 V AC voltage, designed for reliable 500 kVA transformer protection in industrial power distribution systems.

SKU: NH32GTR500KVA-8Alt SKU: NH32GTR500KVA-8MPN: V1028716A

List Price £88.29 ex VAT

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Manufacturer Lead Time

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Why Choose the Mersen NH32GTR500KVA-8 NH Fuse Link?

The Mersen NH32GTR500KVA-8 is a high-performance DIN NH gTr fuse link specifically engineered to provide reliable protection for distribution transformers and associated industrial electrical systems. Manufactured by Mersen, this NH3 size fuse is designed to withstand the demanding inrush currents associated with transformer energisation while providing dependable short circuit and overload protection.

Part of the trusted Mersen NH gTr fuse series, this fuse link features a top indicator with live gripping lugs, enabling rapid identification of operated fuses and safer replacement procedures. Its robust construction ensures long service life and dependable performance in utility, industrial and commercial power distribution applications.

With a 722 A current rating, 400 V AC operating voltage and suitability for 500 kVA transformers, the NH32GTR500KVA-8 is an ideal solution for protecting low voltage transformers while maintaining excellent selectivity with upstream and downstream protection devices.

Key Advantages

Designed specifically for distribution transformer protection.
722 A current rating suitable for 500 kVA transformer applications.
400 V AC rated voltage for low voltage power systems.
NH3 DIN standard fuse link for straightforward installation.
Top blown-fuse indicator enables quick fault identification.
Live gripping lugs simplify safe fuse replacement.
Provides reliable overload and short circuit protection.
Manufactured by Mersen for dependable industrial performance.

Key Features

Mersen NH gTr fuse link series.
DIN NH3 standard fuse.
722 A rated current.
400 V AC rated voltage.
Designed for 500 kVA transformer protection.
Top operating indicator.
Live gripping lugs.
High breaking capacity for industrial power distribution.
Compliant with DIN NH fuse standards.

Reliable Protection for Distribution Transformers

The Mersen NH gTr fuse range has been developed specifically for transformer protection. Its carefully engineered time-current characteristic accommodates the temporary inrush current generated during transformer energisation while still providing rapid protection against overloads and short circuits.

Designed for industrial switchgear, utility substations and commercial electrical installations, the NH32GTR500KVA-8 delivers dependable protection that helps maximise equipment reliability and minimise downtime.

Typical Applications

Distribution transformer protection.
Industrial switchboards.
Commercial electrical distribution systems.
Utility substations.
Motor control and power distribution equipment.
OEM electrical panels.

Technical Specifications

Voltage	400 V
Manufacturer	Mersen
Series	NH gTr Fuse Links
Model	NH32GTR500KVA-8
Product type	DIN NH transformer protection fuse link
Fuse characteristic	gTr
Size	NH3
Rated current	722 A
Rated voltage	400 V AC
Transformer rating	500 kVA
Indicator	Top indicator
Contact type	Live gripping lugs
Body width	71 mm
Mounting	NH fuse base
Application	Distribution transformer protection
HS Code	85361090
Country of Manufacture	Hungary
Device Type	Fuse link
Fuse Type	NH (DIN)
Fuse Size	NH3
Fuse Class	gTr
Current	722 A

Frequently Asked Questions

What is the Mersen NH32GTR500KVA-8 used for?

This fuse link is designed primarily to protect low voltage distribution transformers against overloads and short circuits.

What transformer size is this fuse suitable for?

The NH32GTR500KVA-8 is designed for applications involving approximately 500 kVA transformers.

What voltage is this fuse rated for?

The fuse has a 400 V AC voltage rating for low voltage electrical distribution systems.

What does the gTr characteristic mean?

The gTr characteristic is specifically developed for transformer protection, allowing transformer magnetising inrush currents while maintaining effective overload and short circuit protection.

What is the benefit of the top indicator?

The integrated top indicator provides a clear visual indication when the fuse has operated, allowing faster maintenance and fault diagnosis.

Trusted for Industrial Power Protection

Mersen NH gTr fuse links are widely used by electrical engineers, panel builders and utility providers to deliver reliable transformer protection and dependable operation in demanding industrial power distribution systems.

UK delivery

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Free UK delivery on orders over £200 ex VAT. Order in-stock items before 2pm Monday to Friday for next-day delivery.

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Send your order number, product details and reason for return. For faults or delivery damage, include photographs if available. We will confirm the next steps.

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