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MERSEN FUSE NH 4A 500A 690V AM NH4AAM69V500-8
MPN: X227996
Alt. SKU: NH4AAM69V500-8
Special Price
£117.06
£97.55
Regular Price
£212.84
Why Choose the DIN NH Standard Fuse-Link aM Size NH4a 690VAC 500A?
This fuse-link offers robust short-circuit protection for high-capacity industrial and commercial electrical systems, rated for 690VAC and 500A. Its NH4a size, 100 mm body width, and top-mounted live tags simplify integration into DIN-compliant switchgear and distribution assemblies.
Featuring a clear top indicator for fast status identification, this high-performance aM type fuse ensures safe and reliable operation in demanding applications, supporting rapid maintenance and maximising equipment uptime.
Technical Specifications
- Item number: X227996
- Catalogue No: NH4AAM69V500-8
- Description: DIN NH Standard fuse-link aM Size NH4a 690VAC 500A live tags Top indicator Body width 100 mm
- EAN/UPC Code: 8430399027814
- Rated voltage AC IEC: 690 V
- Ampere Rating: 500 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: 38 W
Product Code: NH4AAM69V500-8
Key Benefits
- High breaking capacity of 120 kA ensures reliable short-circuit protection.
- Top indicator allows quick and easy fuse status identification.
- Silver-plated copper terminals provide excellent conductivity and durability.
- Clip mounting simplifies installation and replacement in DIN-compliant systems.
- Ceramic body offers superior insulation and thermal resistance.
- RoHS compliant for environmental safety.
Compatibility
This fuse-link is compatible with DIN standard NH fuse holders and switchgear designed for NH4a size fuses. It is suitable for use in low voltage IEC fuse applications requiring aM characteristic fuses rated at 690VAC and 500A.
Applications
- Industrial power distribution systems
- Commercial electrical installations
- Motor protection circuits
- Transformer protection
- Control panels and switchgear assemblies
Frequently Asked Questions
What does the 'aM' characteristic mean?
The 'aM' characteristic indicates that the fuse is a motor protection fuse, designed to protect motors and their circuits against short circuits while allowing for temporary overloads during motor starting.
Can this fuse-link be used in DC circuits?
No, this fuse-link is rated for AC applications only, as indicated by its 690 V AC rating and AC designation in the specifications.
How do I identify if the fuse has blown?
The fuse features a top indicator that provides a clear visual signal when the fuse has operated, allowing for quick status checks without removing the fuse.
Common Search Terms
NH4a fuse, 500A DIN fuse-link, 690VAC fuse, aM motor protection fuse, ceramic body fuse, top indicator fuse, high breaking capacity fuse, industrial fuse-link
| Manufacturer Part Number | X227996 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8430399027814 |
| Height | 200mm |
| Width | 100mm |
| Depth | 123.5mm |
| HS Code | 85361090 |
| Country of Manufacture | Hungary |
| Manufacturer | Mersen |
| Alternative Product SKU | NH4AAM69V500-8 |
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