Siemens 3NA3820 LV HRC Fuse Element, Size NH000, 50A, gG, 500V AC / 250V DC
Siemens 3NA3820 LV HRC Fuse Element, Size NH000, 50A, gG, 500V AC / 250V DC
Siemens 3NA3820 LV HRC Fuse Element, Size NH000, 50A, gG, 500V AC / 250V DC
Siemens 3NA3820 LV HRC Fuse Element, Size NH000, 50A, gG, 500V AC / 250V DC

SIEMENS

Siemens 3NA3820 LV HRC Fuse Element, Size NH000, 50A, gG, 500V AC / 250V DC Original Brand New

Model / SKU3NA3820

High-performance LV HRC fuse element (Size NH000) rated at 50A. Featuring a gG utilization category for full-range cable and line protection, it includes a front indicator and live grip lugs for secure industrial application.

$25.21
In stockShips in 1–3 business days
  • ConditionOriginal Brand New
  • Warranty12 months
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Description

Overview

The Siemens 3NA3820 belongs to the trusted SENTRON portfolio, designed to provide superior overcurrent and short-circuit protection in industrial power systems. This NH000 size fuse is engineered for reliability, featuring a high breaking capacity and a compact design that fits standard NH fuse bases.

Key Benefit

  • Enhanced Safety: Equipped with live grip lugs and a clear front indicator for quick visual status checks.

  • Versatile Protection: The gG characteristic ensures the fuse handles both overload and short-circuit currents effectively.

  • Dual Voltage Rating: Optimized for both 500V AC and 250V DC applications, providing flexibility across different power grids.

  • Siemens Quality: Built to international standards, ensuring long-term durability and minimal power loss.

Function & Features

  • Utilization Category: gG (General purpose, full-range breaking capacity).

  • Indicator Type: Front-mounted visual indicator for easy maintenance.

  • Grip Lugs: Live grip lugs for standard extraction tools.

  • Breaking Capacity: High rupturing capacity (HRC) to prevent damage to downstream equipment during major faults.

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Datasheet in PDF

Specifications

SKU / Model3NA3820
BrandSIEMENS
product brand nameSENTRON
product designationLV HRC fuse link
design of the productWith blade contacts
design of an identification indicatorFront indicators
design of the switching contactNon-corroding, silver-plated
design of the fuse linkLV HRC fuse link
size of fuse system / acc. to DIN EN 60269-1NH000
operating class of the fuse linkgG
mounting typenon-insulated grip lugs
type of voltage / of the operating voltageAC/DC
supply voltage-
● at DC250 V
protection class IPIP20, with connected conductors
switching capacity current-
● at DC / acc. to IEC 60947-2 / rated value25 kA
● acc. to IEC 60947-2 / rated value120 kA
power loss [W]3.8 W
power loss [W] / for rated value of the current / at AC / in hot operating state / per pole3.8 W
operational current-
● at 30 °C / rated value49 A
● at 40 °C / rated value47.5 A
● at 45 °C / rated value46 A
● at 50 °C / rated value45 A
● at 55 °C / rated value44 A
● at 60 °C / rated value43 A
● at AC / rated value50 A
width / of the enclosure21 mm
mounting positionAny, preferably vertical
ambient temperature / during operation-
● minimum-5 °C
● maximum40 °C
environmental category-20 to +50 at 95% relative humidity
environmental category / during storage90% at 20°C
Test Certificatesother Marine / Shipping
Weight0.128 kg
Dimensions65.00 × 84.00 × 62.00 mm

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