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SIEMENS 3NA3144 NH1 fuse link
SIEMENS 3NA3144 NH1 fuse link

SIEMENS 3NA3144 NH1 fuse link

  • Low-voltage power distribution systems
  • Industrial control panels
  • Motor protection circuits
  • Short-circuit and overload protection for high-current circuits
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     SIEMENS 3NA3144 is a SENTRON series NH fuse link, size NH1, rated at 250A, with gG operating class, front indicator, and suitable for 500V AC / 440V DC applications.
  • Fuse Type: NH HRC fuse link
  • Size: NH1
  • Rated Current: 250 A
  • Voltage: 500 V AC / 440 V DC
  • Breaking Capacity: 120 kA (AC), 25 kA (DC)
  • Operating Class: gG (general protection)
  • Indicator: Front indicator
  • Mounting Type: Live grip lugs
  • Protection Class: IP20 (with connected conductors)
  • Enclosure Width: 47.2 mm
  • Mounting Position: Any, preferably vertical
  • Operating Temperature: -5 °C to +40 °C
  • Storage Conditions: 90% RH at 20 °C
  • Environmental Category: -20 °C to +50 °C, 95% RH
  • Power Loss: 18.2 W
  • Net Weight: ~441 g
  • Certifications: IEC 60269, IEC 60947-2, CE, RoHS, Marine approval