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MERSEN FUSE NH 4A 1000A 690V AM NH4AAM69V1000-8
Mersen NH4AAM69V1000-8 DIN NH4a aM fuse-link rated at 1000A and 690V AC for industrial motor short-circuit protection.
£109.67
Why Choose the Mersen NH4AAM69V1000-8 NH Fuse-Link?
The Mersen NH4AAM69V1000-8 is a high-performance DIN NH aM fuse-link designed to provide dependable short-circuit protection for motors, motor starters and industrial power distribution systems. Manufactured as part of the trusted Mersen NH fuse-link range, it delivers reliable protection for demanding low voltage applications operating on 690 V AC systems.
Designed to IEC and DIN NH standards, this NH4a size fuse-link features live gripping lugs and a top-mounted operation indicator, allowing fast visual inspection and straightforward replacement by qualified personnel. Its robust construction ensures high breaking capacity and dependable operation in industrial environments.
With a 1000 A current rating and 690 V AC operating voltage, the NH4AAM69V1000-8 is ideally suited for protecting motor circuits where short-circuit protection is required while allowing motor starting currents to pass without nuisance operation.
Key Advantages
- Designed specifically for motor circuit short-circuit protection (aM characteristic).
- 1000 A rated current for high power industrial applications.
- 690 V AC rated voltage for demanding electrical installations.
- High breaking capacity for reliable fault protection.
- Top indicator enables rapid fuse status identification.
- Live gripping lugs simplify safe fuse replacement using approved fuse pullers.
Key Features
- Mersen NH fuse-link aM series.
- Catalogue number: NH4AAM69V1000-8.
- 1000 A rated current.
- 690 V AC IEC rated voltage.
- DIN NH Size NH4a.
- aM utilisation category for motor protection.
- Top-mounted operation indicator.
- Live gripping lugs.
- Body width: 100 mm.
- RoHS compliant.
Reliable Protection for High Power Motor Circuits
The Mersen NH4AAM69V1000-8 is engineered for applications where motors require dependable short-circuit protection while allowing normal starting and inrush currents. The aM operating characteristic provides effective protection when installed alongside correctly selected overload protection devices.
Its rugged construction, high interrupting capacity and compliance with international standards make it suitable for heavy industrial switchgear, motor control centres and power distribution equipment.
Typical Applications
- Motor control centres.
- Industrial motor protection.
- Heavy-duty switchboards.
- Power distribution systems.
- Manufacturing and processing plants.
- OEM electrical panels and machinery.
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 | aM | |
| Manufacturer | Mersen | |
| Series | NH Fuse-links aM 690 VAC | |
| Model | NH4AAM69V1000-8 | |
| Product type | DIN NH fuse-link | |
| Fuse characteristic | aM | |
| Fuse size | NH4a | |
| Rated current | 1000 A | |
| Rated voltage | 690 V AC | |
| Breaking capacity | 120 kA AC | |
| Indicator | Top indicator | |
| Gripping lugs | Live gripping lugs | |
| Body width | 100 mm | |
| Weight | Approx. 2.2 kg | |
| Compliance | IEC / DIN NH, RoHS | |
| HS Code | 85361090 | |
| Country of Manufacture | Hungary |
Frequently Asked Questions
What is the Mersen NH4AAM69V1000-8 used for?
It provides short-circuit protection for industrial motor circuits and associated electrical equipment operating on 690 V AC systems.
What does the aM fuse characteristic mean?
aM fuse-links are designed for motor circuit protection against short circuits and are intended to be used together with a suitable overload protection device.
What is the rated current of this fuse?
The NH4AAM69V1000-8 has a 1000 A rated current.
What fuse size is this product?
This model is manufactured in the NH4a DIN NH fuse size.
Does this fuse include an operation indicator?
Yes. It features a top-mounted indicator for quick visual identification of fuse operation.
Trusted by Industrial Power Engineers Worldwide
Mersen NH fuse-links are widely specified by panel builders, OEMs and industrial maintenance engineers for dependable low voltage motor protection, outstanding reliability and long service life in demanding electrical installations.
