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MERSEN FUSE NH 4A 800A 690V AM NH4AAM69V800-8
MPN: A227999
Alt. SKU: NH4AAM69V800-8
Special Price
£117.06
£97.55
Regular Price
£212.84
Why Choose the DIN NH Standard Fuse-Link aM Size NH4a 690VAC 800A (NH4AAM69V800-8)?
This high-performance NH Standard fuse-link is engineered for reliable short-circuit protection in industrial and commercial power distribution systems. Designed to the aM utilisation category, it is ideal for motor circuit applications, providing robust back-up protection up to 800A under voltages up to 690VAC.
Featuring live tags, a clear top-mounted indicator for quick status verification, and a durable 100 mm wide body, this fuse-link ensures secure installation and straightforward maintenance. Conformity to the DIN NH4a standard guarantees compatibility and operational integrity across demanding environments.
Product Code: NH4AAM69V800-8
Key Benefits
- Reliable short-circuit protection for motor circuits and industrial applications.
- Clear top indicator for quick fuse status verification.
- Durable ceramic body with live tags for secure and safe installation.
- High breaking capacity of 120 kA ensures safety under fault conditions.
- Standardised NH4a size ensures compatibility with DIN NH fuse holders.
Compatibility
This fuse-link is compatible with DIN NH4a fuse holders and panels designed for NH standard fuses. It fits securely with clip mounting and is suitable for use in systems operating up to 690VAC. Its silver-plated copper plain blade terminals ensure optimal electrical connection with standard industrial switchgear.
Applications
- Motor circuit protection in industrial environments.
- Commercial power distribution systems.
- Backup protection for electrical installations requiring aM utilisation category fuses.
- Protection of transformers and cables in low voltage networks.
Technical Specifications
- Item number: A227999
- Catalogue No: NH4AAM69V800-8
- Description: DIN NH Standard fuse-link aM Size NH4a 690VAC 800A live tags Top indicator Body width 100 mm
- EAN/UPC Code: 8430399027838
- Rated voltage AC IEC: 690 V
- Ampere Rating: 800 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aM
- Fuse Size: NH4a
- Mounting: Clip
- AC Max I.R./Breaking Capacity: I1: 120 kA
- Design Details: live tags
- Indication System: Yes
- Indication System Type: Top indicator
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Plain Blades
- Product Width: 100 mm
- Product Length: 200 mm
- Product Height: 123.5 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 2.2 kg
- Sell Pack Width: 160 mm
- Sell Pack Length: 230 mm
- Sell Pack Height: 110 mm
- Product group: Low Voltage IEC Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 2.2 kg
- Power Dissipation at Rated Current Value: 65 W
Frequently Asked Questions
What is the utilisation category of this fuse-link?
This fuse-link is designed to the aM utilisation category, making it suitable for motor circuit protection and back-up protection in industrial applications.
Can this fuse-link be used in DC applications?
No, this fuse-link is rated for AC applications only, with a maximum rated voltage of 690VAC.
How can I tell if the fuse has blown?
The fuse-link features a top-mounted indicator that provides a clear visual status of the fuse condition for quick and easy verification.
What is the breaking capacity of this fuse?
The fuse has a maximum breaking capacity of 120 kA at AC voltage, ensuring safe interruption of high fault currents.
Common Search Terms
NH4a fuse, 800A fuse-link, DIN NH fuse, aM fuse 690VAC, motor protection fuse, industrial fuse-link, ceramic fuse NH4a, high breaking capacity fuse.
| Manufacturer Part Number | A227999 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8430399027838 |
| Height | 200mm |
| Width | 100mm |
| Depth | 123.5mm |
| HS Code | 85361090 |
| Country of Manufacture | Hungary |
| Manufacturer | Mersen |
| Alternative Product SKU | NH4AAM69V800-8 |
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