Siemens 3NA3807 LV HRC Fuse Link, NH000, 20A, 500V AC/250V DC, gG Class Original Brand New
$10.46
High-performance LV HRC fuse link designed for superior cable and line protection. Featuring a 20A rated current and NH000 size, this gG class fuse ensures reliable operation for both AC (500V) and DC (250V) applications. Includes a front indicator and live grip lugs for easy maintenance
Availability: In stock
Overview
The Siemens 3NA3807 (LV HRC system) is a critical component in industrial electrical installations. As part of the Sentron protection device family, this NH000 size fuse element provides comprehensive protection against short circuits and overloads. Its robust design and “gG” operational class make it a versatile choice for general-purpose cable and line protection.
Key Benefit
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Enhanced Safety: Equipped with a high breaking capacity to safely interrupt electrical faults.
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Visual Status Monitoring: The integrated front indicator allows for immediate visual identification of tripped fuses, reducing downtime.
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Ease of Handling: Features live grip lugs, making it compatible with standard NH fuse pullers for quick replacement.
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Durable Performance: Siemens quality ensures long-term aging resistance and precise tripping characteristics.
Function & Specification
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Protection Class (gG): Full-range protection for general applications (cables and lines).
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Dual Voltage Rating: Optimized for 500V AC and 250V DC systems.
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Compact Design: The NH000 size (LV HRC) saves space in distribution boards and switchgear.
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High Breaking Capacity: Ensures the protection of downstream components during high-current faults.
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| Weight | 0.130 kg |
|---|---|
| Dimensions | 65.00 × 84.00 × 62.00 mm |
| Brand | SIEMENS |
| product brand name | SENTRON |
| product designation | LV HRC fuse link |
| design of the product | With blade contacts |
| design of an identification indicator | Front indicators |
| design of the switching contact | Non-corroding, silver-plated |
| design of the fuse link | LV HRC fuse link |
| size of fuse system / acc. to DIN EN 60269-1 | NH000 |
| operating class of the fuse link | gG |
| mounting type | non-insulated grip lugs |
| type of voltage / of the operating voltage | AC/DC |
| supply voltage | – |
| ● at DC | 250 V |
| protection class IP | IP20, with connected conductors |
| switching capacity current | – |
| ● at DC / acc. to IEC 60947-2 / rated value | 25 kA |
| ● acc. to IEC 60947-2 / rated value | 120 kA |
| power loss [W] | 2.53 W |
| power loss [W] / for rated value of the current / at AC / in hot operating state / per pole | 2.53 W |
| operational current | – |
| ● at 30 °C / rated value | 19.6 A |
| ● at 40 °C / rated value | 19 A |
| ● at 45 °C / rated value | 18.4 A |
| ● at 50 °C / rated value | 18 A |
| ● at 55 °C / rated value | 17.6 A |
| ● at 60 °C / rated value | 17.2 A |
| ● at AC / rated value | 20 A |
| width / of the enclosure | 21 mm |
| mounting position | Any, preferably vertical |
| ambient temperature / during operation | – |
| ● minimum | -5 °C |
| ● maximum | 40 °C |
| environmental category | -20 to +50 at 95% relative humidity |
| environmental category / during storage | 90% at 20°C |
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