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      Top Picks
      • Siemens Circuit Breaker 5SY4320-7
      • Siemens Circuit Breaker 5SY4320-7
      • Siemens Circuit Breaker 5SY4320-7
      • Siemens Circuit Breaker 5SY4320-7
      • Siemens Circuit Breaker 5SY4320-7
      1/5
      Siemens Circuit Breaker 5SY4320-7
      $ 78 .13

      ✔ In Stock (Can ship in 5-7 days)

      Quantity
      MOQ : 4
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      • Specifications
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      Parameter
      Type Type 5SY4
      Breaker Type Miniature Circuit Breakers
      Number of Poles 3 pole
      Rated current 20 A
      Voltage 230/400V AC
      Frequency 50-60 Hz
      Mounting 70 mm device mounting depth
      Weight 0.456 kg
      The Siemens Circuit Breaker is high quality!
      Miniature circuit breaker 400 V 10kA, 3-pole, C, 20 A, D=70 mm
      Model
      product brand name SENTRON
      product designation Miniature circuit breaker
      General technical data
      number of poles 3
      number of poles / note 3P
      tripping characteristic class C
      mechanical service life (switching cycles) / typical 10 000
      circuit-breaker / Design 5SY4
      overvoltage category III
      degree of pollution 3
      Voltage
      insulation voltage
      with single-phase operation / at AC / rated
      value
      440 V
      with multi-phase operation / at AC / rated value 440 V
      supply voltage / with single-phase operation / at AC /
      rated value
      230 V
      Supply voltage
      type of voltage AC
      operational current / at AC / rated value 20 A
      supply voltage / at AC / rated value 400 V
      operating voltage
      at DC / rated value / maximum 72 V
      supply voltage frequency
      rated value 50/60 Hz
      Protection class
      protection class IP IP20, with connected conductors
      Switching capacity
      switching capacity current
      at DC / acc. to IEC 60947-2 / rated value 15 kA
      acc. to EN 60898 / rated value 10 kA
      acc. to IEC 60947-2 / rated value 20 kA
      energy limitation class 3
      Dissipation
      power loss W / for rated value of the current / at AC
      / in hot operating state / per pole
      1.7 W
      suitability for operation Mechanical engineering / industry

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      Reviews

      • C

        Colin Archipley

        Sep 26, 2025

        Siemens Circuit Breaker 5SY4320-7
        I discovered the piece I was looking for at an excellent cost.
        Helpful
        Unhelpful
      • A

        Albert Velasquez

        Sep 11, 2025

        Siemens Circuit Breaker 5SY4320-7
        It's a bit difficult to get a hold of someone on the phone.
        Helpful
        Unhelpful
      • C

        Chandler Hicks

        Jun 11, 2025

        Siemens Circuit Breaker 5SY4320-7
        Thanks for being so kind.
        Helpful
        Unhelpful
      • W

        Walter Haley

        Feb 25, 2025

        Siemens Circuit Breaker 5SY4320-7
        Exactly right!
        Helpful
        Unhelpful
      • R

        Ronald Fontaine

        Dec 20, 2024

        Siemens Circuit Breaker 5SY4320-7
        We're happy with the order, but some items were left behind in the box.
        Helpful
        Unhelpful
      • D

        Doug Landess

        Sep 28, 2024

        Siemens Circuit Breaker 5SY4320-7
        All good quality
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Siemens Circuit Breaker 5SY4320-7
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Siemens Circuit Breaker 5SY4320-7

      $ 78 .13
      Click here to view shipping costs.

      ✔ In Stock (Can ship in 5-7 days)

      Quantity
      MOQ : 4
      Payment Methods
      T/T pay VISA pay mastercard pay Diners Club pay Discover pay JCB pay American Express pay Stripe pay PayPal pay Google pay Apple pay Link pay venmo pay
      • Online Support 24/7

      • 12 Months Warranty for New Products

      • 30 Days Money Back Guarantee

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