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MERSEN FUSE NH 4 630A 690V AM NH4AM69V630-8
MPN: S227992
Alt. SKU: NH4AM69V630-8
Special Price
£117.06
£97.55
Regular Price
£212.84
Why Choose the DIN NH Standard Fuse-Link aM Size NH4 690VAC 630A?
The NH4AM69V630-8 fuse-link offers reliable short-circuit protection for industrial applications, conforming to DIN NH standards. Rated at 690VAC and 630A, it is engineered for demanding environments where operational safety and system uptime are critical.
Featuring live tags, a top-mounted indicator for immediate status identification, and a robust 100 mm body width, this fuse-link is ideal for high-capacity installations. Its precise design ensures secure installation and efficient maintenance, making it a dependable choice for professionals.
Product Code: NH4AM69V630-8
Key Benefits
- High breaking capacity of 120 kA ensures superior short-circuit protection.
- Live tags and top indicator provide immediate fuse status visibility for safer maintenance.
- Robust ceramic body with 100 mm width designed for durability and reliable performance.
- Silver-plated copper terminals ensure excellent conductivity and corrosion resistance.
- Clip mounting simplifies installation and replacement in industrial fuse holders.
Compatibility
This fuse-link is compatible with DIN NH fuse holders designed for NH4 size fuses and supports AC systems up to 690 V. It is suitable for integration into low voltage IEC fuse groups requiring aM characteristic protection.
Applications
- Industrial electrical panels and switchgear requiring high-capacity fuse protection.
- Protection of motors, transformers, and cables in manufacturing plants.
- Use in power distribution systems where reliable short-circuit interruption is essential.
- Suitable for critical infrastructure installations demanding operational safety.
Frequently Asked Questions
What does the 'aM' characteristic mean?
The 'aM' characteristic indicates that the fuse-link is designed for motor protection, providing selective short-circuit protection while allowing temporary overloads during motor start-up.
Can this fuse-link be used in DC applications?
No, this fuse-link is rated for AC applications only, as indicated in the technical specifications.
How do the live tags improve safety?
Live tags allow for safer handling by indicating the presence of voltage, reducing the risk of accidental contact during maintenance.
What is the significance of the top indicator?
The top indicator provides a clear visual signal when the fuse has blown, enabling quick identification and replacement.
Common Search Terms
DIN NH fuse-link, NH4 fuse 630A, 690V industrial fuse, aM fuse-link, high breaking capacity fuse, ceramic body fuse, motor protection fuse, top indicator fuse, live tag fuse, low voltage IEC fuse
Technical Specifications
- Item number: S227992
- Catalogue No: NH4AM69V630-8
- Description: DIN NH Standard fuse-link aM Size NH4 690VAC 630A live tags Top indicator Body width 100 mm
- EAN/UPC Code: 8430399027777
- Rated voltage AC IEC: 690 V
- Ampere Rating: 630 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: 50 W
| Manufacturer Part Number | S227992 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8430399027777 |
| Height | 200mm |
| Width | 100mm |
| Depth | 117mm |
| HS Code | 85361090 |
| Country of Manufacture | Hungary |
| Manufacturer | Mersen |
| Alternative Product SKU | NH4AM69V630-8 |
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