SIEMENS

Siemens 5SD440 SILIZED Fuse Link 500V Quick-Acting DII E27 25A for Semiconductor Protection Original Brand New

Model / SKU5SD440

The Siemens 5SD440 is a high-performance SILIZED fuse link designed for semiconductor protection. Featuring a 25A current rating, 500V voltage capacity, and a quick-acting response, this Size DII (E27) fuse ensures maximum safety for sensitive electronic components.

$9.59
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  • ConditionOriginal Brand New
  • Warranty12 months
  • Genuine Products
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Description

Overview

The Siemens 5SD440 SILIZED Fuse Link is a high-performance, quick-acting fuse designed specifically for semiconductor protection. Engineered to operate at 500 V, this fuse ensures fast and reliable disconnection during overcurrent conditions, safeguarding sensitive electronic components. Featuring Size DII, E27 screw base, and a 25A rated current, it is ideal for industrial and electrical control applications requiring precision and safety.

Benefit

  • Optimized semiconductor protection with quick-acting response

  • High reliability from Siemens’ trusted engineering standards

  • Fast fault interruption to minimize damage to sensitive components

  • Easy installation with standard E27 screw base

  • Long service life under demanding electrical conditions

Function

  • Quick-Acting Characteristic: Specifically tuned to blow faster than standard fuses to prevent thermal damage to electronics.

  • SILIZED Technology: Siemens' proprietary design for enhanced thermal and electrical performance.

  • Standardized Sizing: Size DII with an E27 base ensures compatibility with existing fuse holders.

  • Clear Status Indication: Allows for quick visual inspection of the fuse state.

Technical Features

  • Voltage Rating: 500 V

  • Current Rating: 25 A

  • Fuse Type: SILIZED fuse link

  • Operating Speed: Quick-acting

  • Size: DII

  • Base Type: E27

  • Application: Semiconductor protection

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Datasheet in PDF

Specifications

SKU / Model5SD440
BrandSIEMENS
product brand nameSENTRON
product designationDIAZED fuse
design of the productfor semiconductor protection
design of the fuse linkSILIZED fuse link, DIAZED design
tripping characteristic classquick-acting (FE)
size of fuse system / acc. to DIN EN 60269-1DII
operating class of the fuse linkgR
supply voltage / at DC500 V
protection class IPIP20, with connected conductors
switching capacity current / at DC / acc. to IEC 60947-2 / rated value8 kA
power loss [W]12.5 W
power loss [W] / for rated value of the current / at AC / in hot operating state / per pole12.5 W
operational current-
● at AC / rated value25 A
color coding of the fuse linkothers
product descriptionUsing screw adapter or adapter sleeves
mounting positionAny, preferably vertical
ambient temperature / during operation-
● minimum-5 °C
● maximum40 °C
environmental categoryUp to 45°C at 95 % rel. humidity
Weight0.031 kg
Dimensions25.00 × 111.00 × 51.00 mm

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