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MERSEN FUSE NH4AC 250KVA 400V GTR MI NH4AGTR250KVA
MPN: B1028722
Alt. SKU: NH4AGTR250KVA
Why Choose the DIN NH Standard Fuse-Link gTr Size NH4a 400VAC 361A 250KVA?
Engineered for robust protection in demanding industrial applications, this DIN NH Standard fuse-link offers a high current rating of 361A at 400VAC and is designed for power systems up to 250KVA. Its gTr characteristic ensures reliable operation under both overload and short-circuit conditions, making it ideal for critical infrastructure and heavy-duty switchgear.
Featuring live tags, a top-mounted indicator for rapid status checks, and a durable 72.9 mm body width, this Size NH4a fuse-link simplifies installation while maximising safety and uptime. Fully compliant with NH standards, it delivers consistent, long-term performance in harsh electrical environments.
Product Code: NH4AGTR250KVA
Key Benefits
- High breaking capacity of 100 kA ensures reliable protection against short circuits.
- gTr characteristic provides precise tripping for both overload and short-circuit conditions.
- Live tags enhance safety by allowing secure handling and installation.
- Top indicator offers quick visual status checks to minimise downtime.
- Durable ceramic body with a compact 72.9 mm width for easy integration into switchgear.
- Silver-plated copper terminals ensure excellent conductivity and corrosion resistance.
Compatibility
This fuse-link is compatible with NH4a fuse holders and switchgear systems designed for 400 V AC applications. It fits securely with clip mounting and plain blade terminals, making it suitable for a wide range of low voltage IEC fuse installations requiring a 361 A rating and gTr speed characteristic.
Applications
- Industrial power distribution panels
- Heavy-duty motor protection
- Critical infrastructure electrical systems
- Switchgear assemblies in manufacturing plants
- Renewable energy system protection
Technical Specifications
- Item number: J1028729
- Catalogue No: NH4AGTR250KVA-8
- Description: DIN NH Standard fuse-link gTr Size NH4a 400VAC 361A 250KVA live tags Top indicator Body width 72.9 mm
- EAN/UPC Code: 3605340534979
- Rated voltage AC IEC: 400 V
- Ampere Rating: 361 A
- RoHS Compliant: Yes
- AC or DC: AC
- Speed/Characteristic: gTr
- Fuse Size: NH4a
- Mounting: Clip
- AC Max I.R./Breaking Capacity: I1: 100 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: 73 mm
- Product Length: 200 mm
- Product Height: 122 mm
- Sell Pack Quantity: 1 EA
- Sell Pack Weight: 2.2 kg
- Sell Pack Width: 140 mm
- Sell Pack Length: 225 mm
- Sell Pack Height: 100 mm
- Product group: Low Voltage IEC Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 2.2 kg
- Power Dissipation at Rated Current Value: 28 W
Frequently Asked Questions
What does the gTr characteristic mean?
The gTr characteristic indicates that the fuse-link provides reliable protection against both overloads and short-circuits with a time-delay feature for transient conditions.
Is this fuse-link suitable for DC applications?
No, this fuse-link is designed for AC applications only, rated at 400 V AC.
Can this fuse-link be used in switchgear with clip mounting?
Yes, it is designed for clip mounting and fits NH4a fuse holders with plain blade terminals.
What does the top indicator do?
The top indicator provides a visual signal when the fuse has operated, allowing for quick status checks without disassembly.
Common Search Terms
NH4a fuse-link, 361A fuse, 400V industrial fuse, gTr characteristic fuse, DIN NH fuse, high breaking capacity fuse, ceramic fuse-link, live tag fuse, top indicator fuse, power system protection fuse
| Manufacturer Part Number | B1028722 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340535464 |
| Height | 200mm |
| Width | 73mm |
| Depth | 122mm |
| HS Code | 85361090 |
| Country of Manufacture | Hungary |
| Manufacturer | Mersen |
| Alternative Product SKU | NH4AGTR250KVA |