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Siemens SENTRON 3NE1021-0

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3NE1021-0

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The Siemens 3NE1021-0 fuse link belongs to the SENTRON series and is engineered for various applications. It is classified as an NH000 size fuse system and is rated for use in both AC and DC environments with maximum operating voltages of 690 V AC and 250 V DC.

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Technical specifications for 3NE1021-0

ManufacturerSiemens
Product LineSENTRON
Part Number3NE1021-0
UPC662643083972
Weight1.31 lbs (0.60 kg)
Size of Fuse System According to EN 60269-1NH000
Operating Class of the Fuse LinkgS
Varying Load Factor (WL)1
Type of Voltage of the Operating VoltageAC/DC
Operating Voltage at AC According to UL Rated Value690 V
Supply Voltage @ AC690 V
Supply Voltage @ DC250 V
Switching Capacity Current100 kA
Power Loss [W]10 W
Min. Ambient Temperature During Operation-20 °C
Max. Ambient Temperature During Operation50 °C
ProductSITOR Fuse Link
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The 3NE1021-0 from Siemens, part of the SENTRON series, serves as a SITOR fuse link specifically designed to protect electrical circuits. This fuse link complies with the NH000 size requirement as per EN 60269-1 standards, ensuring compatibility with various fuse systems. It's suitable for applications that operate under both AC and DC voltages, with a rated AC voltage up to 690 V and a maximum DC voltage of 250 V.

The fuse link is classified as gS, indicating its operational class, and it features a varying load factor (WL) of 1. This configuration is pivotal for applications where consistent performance is required, especially under fluctuating load conditions. This unit demonstrates a significant switching capacity of 100 kA, making it capable of handling high fault currents safely.

During operation, the fuse link experiences a power loss of 10 watts, which is an important consideration for thermal management in circuit designs. Its operational temperature range spans from a minimum of -20 °C up to a maximum of 50 °C, enabling it to function effectively in a range of environmental conditions. At a weight of 205 g, this fuse link is lightweight enough for straightforward installation within various electrical setups.