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 NH 00 63A 690V GG NH 00 63A 690V GG
Mersen NH00GG69V63 NH00 gG industrial fuse link rated at 63 A, 690 V AC and 250 V DC, providing full-range overload and short-circuit protection.
£6.58
Why Choose the Mersen NH00GG69V63 NH Fuse?
The Mersen NH00GG69V63 is a reliable NH gG industrial fuse link designed to provide full-range protection against overloads and short-circuit faults in low-voltage electrical distribution systems. Manufactured to the DIN NH standard, this fuse link is suitable for protecting cables, conductors, switchgear and connected equipment in demanding industrial and commercial installations.
As part of the established Mersen NH gG 690 V AC fuse-link series, the NH00GG69V63 combines high breaking capacity with effective current limitation. Its gG operating characteristic enables it to interrupt currents ranging from sustained overloads to severe short-circuit faults, helping reduce thermal and electrodynamic stress on electrical equipment.
With a rated current of 63 A, a rated voltage of 690 V AC and 250 V DC and an NH00 fuse size, this fuse link is suitable for industrial switchboards, distribution panels and machinery installations. Its double indication system and live gripping tags support convenient inspection and replacement by qualified electrical personnel.
Key Advantages
- Dependable NH gG fuse link for full-range circuit protection.
- 63 A rated current for industrial distribution applications.
- 690 V AC and 250 V DC voltage ratings.
- Protects against both overloads and short-circuit faults.
- 80 kA AC breaking capacity for reliable fault interruption.
- Double indicator enables rapid identification after fuse operation.
Key Features
- Mersen NH gG 690 V AC fuse-link series.
- NH00 fuse size.
- 63 A rated current.
- 690 V AC rated voltage.
- 250 V DC rated voltage.
- gG full-range utilisation category.
- Double fuse operation indicator.
- Live gripping tags and plain blade terminals.
Reliable Protection for Low-Voltage Electrical Systems
The Mersen NH00GG69V63 provides full-range protection by safely interrupting both sustained overload currents and high short-circuit currents. Its current-limiting performance helps reduce the energy transmitted during a fault, protecting cables, conductors, switchgear and connected electrical equipment from avoidable damage.
The compact NH00 construction is suitable for installations where panel space is limited while still providing dependable protection at higher operating voltages. Its ceramic body offers strong thermal and mechanical durability, while the double indicator helps maintenance personnel identify an operated fuse during inspection and fault finding.
Typical Applications
- Industrial electrical distribution boards.
- Commercial power distribution systems.
- Cable and conductor protection.
- Electrical control panels.
- Industrial machinery and automation equipment.
- Low-voltage switchgear and fuse-disconnector systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Fuse Indication | Dual indicator | |
|---|---|---|
| Current | 63 A | |
| Voltage | 690 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH00 | |
| Fuse Class | gG | |
| Manufacturer | Mersen | |
| Series | NH Fuse-links gG 690 V AC | |
| Model | NH00GG69V63 | |
| Item number | Z228458 | |
| Product type | NH industrial fuse link | |
| Fuse size | NH00 | |
| Utilisation category | gG | |
| Rated current | 63 A | |
| Rated voltage AC | 690 V | |
| Rated voltage DC | 250 V | |
| Breaking capacity | 80 kA AC | |
| Power dissipation at rated current | 5.6 W | |
| Indication system | Double indicator | |
| Gripping tags | Live gripping tags | |
| Terminal type | Plain blades | |
| Terminal material | Silver-plated copper | |
| Body material | Ceramic | |
| Dimensions (L × W × H) | 78.5 × 30 × 60 mm | |
| Weight | Approx. 0.2 kg | |
| EAN / UPC | 8430399025544 | |
| Sell pack quantity | 3 | |
| Compliance | RoHS compliant | |
| HS Code | 85361050 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH00GG69V63 used for?
This NH gG fuse link provides full-range overload and short-circuit protection for cables, conductors and equipment in low-voltage electrical distribution systems.
What is the current rating of this fuse?
The Mersen NH00GG69V63 has a rated current of 63 A.
What voltage is the NH00GG69V63 rated for?
This fuse link is rated for operation at up to 690 V AC and 250 V DC.
What does the gG characteristic mean?
The gG classification identifies a full-range general-purpose fuse designed to protect electrical circuits against both overload currents and short-circuit faults.
Does this fuse include an operation indicator?
Yes. The NH00GG69V63 incorporates a double indication system to help maintenance personnel identify when the fuse has operated.
Trusted Protection for Electrical Distribution Systems
Mersen NH gG fuse links are widely used by electrical engineers, panel builders and maintenance professionals to provide dependable overload and short-circuit protection in industrial and commercial low-voltage installations.
