Mersen NH22GTR100KVA DIN NH2 gTr transformer protection fuse-link rated 144 A and 400 V AC for 100 kVA transformers with centre indicator and live gripping lugs.
Why Choose the Mersen NH22GTR100KVA Transformer Protection Fuse-Link?
The Mersen NH22GTR100KVA is a high-performance DIN NH gTr transformer protection fuse-link designed to provide reliable overload and short-circuit protection for low voltage distribution transformers. The specialised gTr operating characteristic is optimised for transformer applications, allowing transformer magnetising inrush currents while providing rapid fault clearance when required.
As part of the trusted Mersen NH gTr 400 V AC fuse range, this NH2 fuse-link is designed for protecting transformers with a nominal capacity of 100 kVA. Its robust ceramic body, centre-mounted blown fuse indicator and live gripping lugs ensure dependable performance and straightforward maintenance in industrial and commercial power distribution systems.
Rated at 144 A with a 400 V AC operating voltage, the NH22GTR100KVA delivers high current-limiting performance and dependable transformer protection for switchgear, feeder panels and electrical distribution equipment.
Key Advantages
Purpose-designed gTr fuse characteristic for transformer protection.
Suitable for 100 kVA distribution transformers.
144 A rated current.
400 V AC operating voltage.
High 100 kA AC breaking capacity.
Centre blown-fuse indicator for rapid fault identification.
Live gripping lugs simplify safe fuse replacement.
Excellent current limitation helps minimise transformer damage during faults.
The Mersen NH22GTR100KVA is specifically developed for transformer protection where standard general-purpose fuse-links do not provide optimum coordination. The gTr operating characteristic accommodates transformer energisation currents while ensuring dependable operation under overload and short-circuit conditions.
Its high breaking capacity and current-limiting performance help reduce thermal and mechanical stresses on transformers, switchgear and associated electrical equipment, improving the reliability of low voltage distribution systems.
Typical Applications
100 kVA distribution transformers.
Industrial transformer feeder panels.
Commercial electrical installations.
Low voltage substations.
Industrial switchgear.
OEM power distribution equipment.
Manufacturing facilities.
Infrastructure electrical systems.
Technical Specifications
Voltage
400 V
Manufacturer
Mersen
Series
NH gTr Transformer Protection Fuse-Links
Model
NH22GTR100KVA
Item number
V1028693
Product type
DIN NH transformer protection fuse-link
Fuse characteristic
gTr
Fuse size
NH2
Transformer rating
100 kVA
Rated current
144 A
Rated voltage
400 V AC
Voltage type
AC
Breaking capacity
100 kA AC
Indicator
Centre indicator
Gripping lugs
Live gripping lugs
Body width
40 mm
Power dissipation
9 W
Weight
Approx. 0.5 kg
EAN
3605340545364
Compliance
RoHS compliant
Frequently Asked Questions
What is the Mersen NH22GTR100KVA used for?
The NH22GTR100KVA is designed to protect low voltage distribution transformers against overloads and short-circuit faults.
What transformer rating is this fuse designed for?
This fuse-link is intended for transformers with a nominal rating of 100 kVA.
What is the rated current?
The NH22GTR100KVA has a rated current of 144 A.
What does the gTr characteristic provide?
The gTr characteristic is optimised for transformer protection, allowing transformer inrush currents while providing dependable protection against sustained overloads and short-circuit faults.
What is the breaking capacity?
The fuse-link provides a maximum AC breaking capacity of 100 kA.
Trusted by Electrical Professionals Worldwide
Mersen NH gTr transformer fuse-links are trusted by electrical engineers, transformer manufacturers and panel builders for dependable transformer protection, high fault interruption capability and reliable long-term operation.
Voltage
400 V
Manufacturer
Mersen
Series
NH gTr Transformer Protection Fuse-Links
Model
NH22GTR100KVA
Item number
V1028693
Product type
DIN NH transformer protection fuse-link
Fuse characteristic
gTr
Fuse size
NH2
Transformer rating
100 kVA
Rated current
144 A
Rated voltage
400 V AC
Voltage type
AC
Breaking capacity
100 kA AC
Indicator
Centre indicator
Gripping lugs
Live gripping lugs
Body width
40 mm
Power dissipation
9 W
Weight
Approx. 0.5 kg
EAN
3605340545364
Compliance
RoHS compliant
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.
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Customers supported
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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...