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MERSEN FUSE NH 3 250A 690V AM NH3AM69V250
MPN: D227979
Alt. SKU: NH3AM69V250
Why Choose the DIN NH Standard Fuse-Link aM Size NH3 690VAC 250A Double Indicator (SKU NH3AM69V250)?
Engineered for high-performance protection in industrial circuits, this NH3 aM fuse-link is rated for 690VAC and 250A, ensuring reliable safeguarding of motors and equipment against overloads and short circuits. Its robust live tag design and 71.9mm body width allow for direct integration with standard NH3 fuse holders in demanding environments.
Equipped with double indicators for rapid fault identification, this fuse-link simplifies maintenance and downtime prevention. Compliance with DIN NH standards guarantees compatibility and assures quality for critical power distribution applications.
Technical Specifications
- Item number: D227979
- Catalogue No: NH3AM69V250
- Description: DIN NH Standard fuse-link aM Size NH3 690VAC 250A live tags Double indicator Body width 71.9mm
- EAN/UPC Code: 8430399025346
- Rated voltage AC IEC: 690 V
- Ampere Rating: 250 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: aM
- Fuse Size: NH3
- Mounting: Clip
- AC Max I.R./Breaking Capacity: I1: 80 kA
- Design Details: live tags
- Indication System: Yes
- Indication System Type: Double indicator
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: Plain Blades
- Product Width: 72 mm
- Product Length: 150 mm
- Product Height: 89 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 1.05 kg
- Sell Pack Width: 73 mm
- Sell Pack Length: 154 mm
- Sell Pack Height: 90 mm
- Product group: Low Voltage IEC Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 1.05 kg
- Power Dissipation at Rated Current Value: 14.6 W
Product Code: NH3AM69V250
Key Benefits
- High breaking capacity of 80 kA ensures reliable protection against short circuits.
- Double indicator system allows for quick and easy fault detection.
- Live tags design facilitates safe and secure mounting.
- Compliance with DIN NH standards guarantees compatibility with standard NH3 fuse holders.
- Ceramic body provides excellent insulation and durability in harsh environments.
- Silver-plated copper terminals ensure optimal conductivity and corrosion resistance.
Compatibility
This fuse-link is compatible with standard NH3 fuse holders designed for DIN NH standard aM fuses, suitable for industrial low voltage power distribution systems operating up to 690VAC.
Applications
- Protection of industrial motors and machinery against overload and short circuit conditions.
- Use in power distribution panels and switchgear in manufacturing plants.
- Safeguarding electrical circuits in commercial and industrial buildings.
- Ideal for use in systems requiring high breaking capacity and fast fuse operation.
Frequently Asked Questions
What does the 'aM' characteristic mean?
The 'aM' characteristic indicates that the fuse is a motor protection fuse designed to clear short circuits quickly while allowing temporary overloads during motor starting.
Can this fuse be used in DC circuits?
No, this particular fuse-link is rated for AC applications only, as specified by its 690 V AC rating.
What is the significance of the double indicator?
The double indicator provides a clear visual signal when the fuse has blown, enabling faster maintenance and reducing downtime.
Is this fuse RoHS compliant?
Yes, it complies with RoHS regulations, ensuring it is free from hazardous substances.
Common Search Terms
NH3 fuse-link, DIN NH fuse 250A, 690VAC fuse, motor protection fuse aM, double indicator fuse, ceramic body fuse, high breaking capacity fuse, industrial fuse-link
| Manufacturer Part Number | D227979 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 8430399025346 |
| Height | 150mm |
| Width | 72mm |
| Depth | 89mm |
| HS Code | 85361090 |
| Country of Manufacture | Hungary |
| Manufacturer | Mersen |
| Alternative Product SKU | NH3AM69V250 |