Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
MERSEN FUSE SPECIAL NH-KNIFE NH3 1000A ag 33SZSM5
Mersen J1041149 DIN NH transformer protection fuse-link designed for reliable overload and short-circuit protection of low voltage distribution transformers.
£40.42
Why Choose the Mersen J1041149 NH Fuse-Link?
The Mersen J1041149 is a high-quality DIN NH transformer protection fuse-link engineered for dependable protection of low voltage distribution transformers and associated electrical equipment. Manufactured by Mersen to stringent international standards, this fuse-link delivers reliable overload and short-circuit protection while accommodating the high magnetising inrush currents experienced during transformer energisation.
Designed for industrial and commercial power distribution systems, the J1041149 offers robust construction, excellent current-limiting performance and dependable operation in demanding environments. Its NH design allows straightforward installation into compatible NH fuse bases and fuse-switch disconnectors commonly found within switchboards and transformer feeder circuits.
Mersen transformer protection fuse-links are widely specified by panel builders, OEMs and electrical contractors where reliable transformer protection, excellent selectivity and long service life are required for critical electrical infrastructure.
Key Advantages
- Designed specifically for distribution transformer protection.
- Provides reliable protection against overloads and short circuits.
- Current-limiting design helps minimise fault energy.
- Suitable for industrial and commercial power distribution systems.
- Compatible with standard NH fuse bases and switch disconnectors.
- High-quality ceramic construction for long service life.
- Manufactured by Mersen to recognised international standards.
Key Features
- Manufacturer: Mersen.
- Model: J1041149.
- DIN NH transformer protection fuse-link.
- Current-limiting HRC fuse construction.
- Suitable for transformer feeder protection.
- Designed for low voltage distribution systems.
- Compatible with NH fuse mounting systems.
- Industrial-grade ceramic body construction.
Reliable Protection for Distribution Transformers
Transformer protection fuse-links are specially designed to withstand the temporary magnetising inrush current generated when transformers are energised while still providing dependable protection against sustained overloads and high fault currents. Their current-limiting characteristics help reduce thermal and mechanical stress throughout the electrical installation.
Mersen NH transformer protection fuse-links are widely used throughout industrial facilities, commercial buildings and infrastructure projects where dependable transformer protection is essential for maintaining system reliability and minimising downtime.
Typical Applications
- Distribution transformer protection.
- Main low voltage switchboards.
- Transformer feeder circuits.
- Industrial manufacturing facilities.
- Commercial electrical installations.
- Power distribution infrastructure.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 1000 A | |
|---|---|---|
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH3 | |
| Manufacturer | Mersen | |
| Model | J1041149 | |
| Product type | NH transformer protection fuse-link | |
| Fuse system | DIN NH | |
| Application | Transformer protection | |
| Construction | High rupturing capacity (HRC) | |
| Body material | Ceramic | |
| Mounting | NH fuse base / fuse-switch disconnector | |
| Installation | Low voltage power distribution systems | |
| Compliance | IEC NH fuse standards |
Frequently Asked Questions
What is the Mersen J1041149 used for?
The J1041149 is designed to provide dependable protection for distribution transformers within low voltage electrical installations.
Why are transformer protection fuse-links different from standard fuse-links?
Transformer protection fuse-links are designed to accommodate normal transformer energisation currents while still providing reliable overload and short-circuit protection.
Where is this fuse-link typically installed?
It is installed in compatible NH fuse bases or fuse-switch disconnectors within switchboards and transformer feeder circuits.
Is this suitable for industrial applications?
Yes. Mersen NH fuse-links are widely used throughout industrial, commercial and infrastructure electrical installations.
Who installs this type of fuse-link?
Installation and replacement should always be carried out by suitably qualified electrical professionals using the correct insulated fuse handling equipment.
Trusted by Electrical Professionals Worldwide
Mersen transformer protection fuse-links are trusted by OEMs, panel builders, electrical contractors and utilities for dependable transformer protection, high reliability and long-term performance in demanding power distribution systems.
