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MERSEN FUSE NH 4A 1000A 690V GG MID IND NH4AGG69V1000
Mersen NH4AGG69V1000 DIN NH4a gG fuse-link rated at 1000 A, 690 V AC and 250 V DC, with live gripping lugs and a centre indicator for high-current industrial circuit protection.
£232.61
Why Choose the Mersen NH4AGG69V1000 NH Fuse-Link?
The Mersen NH4AGG69V1000 is a heavy-duty DIN NH gG low voltage fuse-link designed to provide dependable full-range protection for high-current electrical distribution systems. Manufactured by Mersen, this NH4a fuse-link protects cables, conductors and industrial equipment against both overload and short-circuit currents.
Part of the established Mersen NH gG 690 V AC fuse-link series, the NH4AGG69V1000 has a rated current of 1000 A, an AC voltage rating of 690 V and a DC voltage rating of 250 V. Its high-current construction makes it suitable for main incoming supplies, industrial switchboards and large low voltage distribution networks.
The fuse-link features standard NH blade contacts, live gripping lugs and a centre indicator for clear identification when the fuse has operated. Its robust NH4a body and 100 mm width support reliable installation in compatible fuse bases and switch-fuse equipment.
Key Advantages
- Heavy-duty NH4a fuse-link for high-current distribution systems.
- 1000 A rated current for demanding industrial installations.
- 690 V AC and 250 V DC voltage ratings.
- Full-range gG protection against overloads and short circuits.
- Current-limiting operation helps reduce the effects of high fault currents.
- Centre indicator allows quick identification of an operated fuse-link.
- Live gripping lugs support removal using an approved NH fuse puller.
- Standard blade-contact format for compatible NH4a fuse bases.
Key Features
- Mersen NH gG 690 V AC fuse-link series.
- Catalogue number: NH4AGG69V1000.
- Mersen item number: H1054304.
- Fuse size: NH4a.
- Rated current: 1000 A.
- Rated AC voltage: 690 V AC.
- Rated DC voltage: 250 V DC.
- gG utilisation category for full-range circuit protection.
- Centre operated-fuse indicator.
- Live gripping lugs.
- Standard DIN NH blade contacts.
- 100 mm body width.
Reliable Protection for High-Current Power Distribution
The Mersen NH4AGG69V1000 provides full-range protection from low-level overload currents through to severe short-circuit faults. Its gG operating characteristic allows it to be used as the primary protective fuse for cables, feeders and general low voltage distribution equipment.
The current-limiting performance of the fuse-link helps reduce thermal and electrodynamic stress on switchgear and connected equipment during fault conditions. Installation and replacement should be completed by qualified electrical personnel using a compatible NH4a fuse base, suitable protective equipment and an approved NH fuse puller.
Typical Applications
- Main low voltage switchboards.
- High-current power distribution panels.
- Industrial feeder and cable protection.
- Manufacturing and process facilities.
- Commercial and infrastructure power systems.
- Switch-fuse disconnectors and fuse-combination units.
Technical Specifications
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| Current | 1000 A | |
|---|---|---|
| Fuse Indication | Visual indicator | |
| Voltage | 690 V | |
| Device Type | Fuse link | |
| Fuse Type | NH (DIN) | |
| Fuse Size | NH4a | |
| Fuse Class | gG | |
| Manufacturer | Mersen | |
| Series | NH Fuse-Links gG 690 VAC | |
| Model | NH4AGG69V1000 | |
| Item number | H1054304 | |
| Product type | DIN NH standard fuse-link | |
| Fuse size | NH4a | |
| Utilisation category | gG | |
| Rated current | 1000 A | |
| Rated AC voltage | 690 V AC | |
| Rated DC voltage | 250 V DC | |
| Protection range | Overload and short-circuit protection | |
| Contact type | Blade contacts | |
| Gripping lugs | Live tags | |
| Indication | Centre indicator | |
| Body width | 100 mm | |
| Installation system | Compatible DIN NH fuse base | |
| Compliance | RoHS compliant | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH4AGG69V1000 used for?
The NH4AGG69V1000 is used to protect high-current cables, feeders and industrial electrical equipment against overload and short-circuit faults.
What is the rated current of this fuse-link?
The Mersen NH4AGG69V1000 has a rated current of 1000 A.
What voltage ratings does the NH4AGG69V1000 have?
The fuse-link is rated for operation at up to 690 V AC and 250 V DC.
What does the gG classification mean?
The gG classification identifies a full-range general-purpose fuse-link that protects cables and equipment against both overload currents and short-circuit faults.
Does this fuse-link include an indicator?
Yes. The NH4AGG69V1000 includes a centre indicator that provides visual identification when the fuse-link has operated.
Trusted by Electrical Professionals Worldwide
Mersen NH gG fuse-links are widely specified by panel builders, electrical contractors, industrial engineers and maintenance teams for dependable protection of high-current low voltage distribution systems.
