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MERSEN FUSE NH 4 400A 690V AM NH4AM69V400-8
MPN: Q227990
Alt. SKU: NH4AM69V400-8
Special Price
£117.06
£97.55
Regular Price
£212.84
Why Choose the DIN NH Standard Fuse-Link aM Size NH4 690VAC 400A (NH4AM69V400-8)?
This robust NH4 fuse-link, designed to DIN aM standard, delivers reliable protection for motor circuits rated up to 690VAC and 400A. The unit features live tags and a clear top-mounted indicator for straightforward operational status checks in demanding industrial environments.
With a 100 mm body width, this fuse-link ensures compatibility with standard NH4 installations, providing secure fitment and efficient current interruption. Designed for durability and ease of integration, it is an ideal choice for safeguarding high-capacity electrical systems.
Technical Specifications
- Item number: Q227990
- Catalogue No: NH4AM69V400-8
- Description: DIN NH Standard fuse-link aM Size NH4 690VAC 400A live tags Top indicator Body width 100 mm
- EAN/UPC Code: 8430399027753
- Rated voltage AC IEC: 690 V
- Ampere Rating: 400 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aM
- Fuse Size: NH4
- 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: 117 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 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 kg
- Power Dissipation at Rated Current Value: 26 W
Product Code: NH4AM69V400-8
Key Benefits
- High breaking capacity of 120 kA ensures reliable protection in industrial settings.
- Live tags design facilitates safe and easy installation and replacement.
- Top-mounted indicator provides clear visual status of fuse condition.
- Ceramic body offers excellent durability and insulation properties.
- Standard NH4 size ensures compatibility with existing DIN fuse holders.
- Silver-plated copper terminals guarantee efficient electrical connection.
Compatibility
This fuse-link is compatible with all standard NH4 fuse holders and switchgear designed for DIN aM characteristic fuses up to 690VAC. It is suitable for use in low voltage IEC fuse systems requiring a 400A rating and aM speed characteristic.
Applications
- Protection of motor circuits and industrial machinery.
- Use in distribution boards and switchgear in factories and commercial buildings.
- Safeguarding transformers and electrical panels in industrial environments.
- General low voltage electrical system protection requiring high breaking capacity.
Frequently Asked Questions
What does the 'aM' speed characteristic mean?
The 'aM' characteristic indicates that the fuse is specially designed for motor circuit protection, allowing short-time current surges typical during motor start-up without blowing unnecessarily.
Can this fuse-link be used in DC circuits?
No, this particular fuse-link is rated for AC use only, with a maximum rated voltage of 690VAC.
How do I know if the fuse has blown?
The fuse-link features a top-mounted indicator that provides a clear visual signal when the fuse has operated and needs replacement.
Is this fuse RoHS compliant?
Yes, the NH4AM69V400-8 fuse-link complies with RoHS standards, ensuring it is free from hazardous substances.
Common Search Terms
NH4 fuse, DIN NH fuse-link, 400A fuse, 690VAC fuse, motor protection fuse, aM fuse-link, industrial fuse NH4, ceramic fuse-link, high breaking capacity fuse, live tags fuse
| Manufacturer Part Number | Q227990 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8430399027753 |
| Height | 200mm |
| Width | 100mm |
| Depth | 117mm |
| HS Code | 85361090 |
| Country of Manufacture | Hungary |
| Manufacturer | Mersen |
| Alternative Product SKU | NH4AM69V400-8 |
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