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MERSEN FUSE NH 4A 630A 690V AM NH4AAM69V630-8
MPN: Y227997
Alt. SKU: NH4AAM69V630-8
Special Price
£117.06
£97.55
Regular Price
£212.84
Why Choose the DIN NH Standard Fuse-Link aM Size NH4a 690VAC 630A?
Engineered for industrial motor circuit protection, the NH4AAM69V630-8 offers robust performance at 690VAC and 630A. The live tags ensure easy integration into switchgear assemblies, while the top-mounted indicator allows for rapid identification of fuse status to minimise downtime.
With a compact 100 mm body width and compliance to DIN NH standards, this fuse-link delivers reliable, high-capacity protection against short-circuit conditions in demanding environments, making it ideal for critical power distribution applications.
Product Code: NH4AAM69V630-8
Key Benefits
- High breaking capacity of 120 kA ensures safety under fault conditions.
- Top indicator allows quick visual status check, reducing maintenance time.
- Live tags facilitate easy and secure mounting in switchgear.
- Ceramic body provides excellent insulation and durability.
- Silver-plated copper terminals ensure reliable electrical connectivity.
Compatibility
This fuse-link is compatible with DIN NH standard fuse holders and switchgear assemblies designed for NH4a size fuses. It is suitable for use in industrial motor circuits and power distribution panels operating at up to 690 V AC.
Applications
- Industrial motor circuit protection
- Power distribution in commercial and industrial facilities
- Switchgear and control panels
- Short-circuit protection in electrical installations
Technical Specifications
- Item number: Y227997
- Catalogue No: NH4AAM69V630-8
- Description: DIN NH Standard fuse-link aM Size NH4a 690VAC 630A live tags Top indicator Body width 100 mm
- EAN/UPC Code: 8430399027821
- Rated voltage AC IEC: 690 V
- Ampere Rating: 630 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: 50 W
Frequently Asked Questions
What does the 'aM' speed characteristic mean?
The 'aM' characteristic indicates that the fuse is designed for motor protection, allowing it to tolerate the high inrush currents typical of motor starting while providing reliable short-circuit protection.
Can this fuse-link be used in DC circuits?
No, this fuse-link is rated for AC use only, with a maximum rated voltage of 690 V AC.
How do the live tags benefit installation?
Live tags provide secure and easy electrical connection points, simplifying installation and ensuring reliable contact within the switchgear.
What is the significance of the top indicator?
The top indicator provides a visual signal when the fuse has blown, allowing for quick identification and replacement, thereby minimising downtime.
Common Search Terms
DIN NH fuse-link, NH4a fuse, 690V fuse, 630A industrial fuse, motor protection fuse, aM fuse-link, high breaking capacity fuse, ceramic fuse-link, live tag fuse, top indicator fuse
| Manufacturer Part Number | Y227997 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8430399027821 |
| Height | 200mm |
| Width | 100mm |
| Depth | 123.5mm |
| HS Code | 85361090 |
| Country of Manufacture | Hungary |
| Manufacturer | Mersen |
| Alternative Product SKU | NH4AAM69V630-8 |
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