• NOARK 3P overcurrent circuit breaker Type B 80A 15kA AC (102781)

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Industrial overcurrent circuit breaker 3P B80A 102781 Ex9B125

Ex9B125 overcurrent circuit breakers are designed for power distribution and protection of industrial installations. They protect against overload and short circuit effects. They are available for rated currents up to 125 A and short-circuit breaking current limits up to 25kA (EN 60947-2). Ex9B125 overcurrent circuit breakers can be combined with a wide range of accessories (same as for Ex9B circuit breakers) including auxiliary contacts, auxiliary trip contacts, rise, undervoltage and overvoltage tripping. Various combinations of accessories are possible.
  • Product colour: light grey
  • Commercial designation: 102781
  • Number of poles: 3P (three-phase)
  • Number of 18mm modules: 3
  • Characteristics: B
  • Rated current In: 80 A
  • Rated short-circuit breaking capacity Icn: 15 kA
  • Rated switching voltage Ue (AC): 400 V
  • Rated frequency: 50/60 Hz
  • Rated surge voltage Uimp: 8 kV
  • Rated insulation voltage Ui: 690 V
  • Mounting: 35 mm rail (TH35/DIN)
  • Connection: rail/wind terminal, screw terminals
  • Max. cross-section of connecting conductors: 50 mm²
  • Degree of protection: IP20
  • Operating temperature: -30°C ÷ +70°C
  • Dimensions (W × H × D): 81×89×75 mm
  • Certifications: CE
  • Standards: PN-EN 60898-1, IEC/EN 60947-2


Declaration of Conformity 
Installation instructions