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      Top Picks
      • Siemens Circuit Breaker 3RV6421-4DA10
      1/1
      Siemens Circuit Breaker 3RV6421-4DA10
      $ 146 .48

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

      Quantity
      MOQ : 3
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      The Siemens Circuit Breaker is high quality!
      Circuit breaker 25 A A-release 20...25 A, N-release 400 A, for
      transformer protection, screw connection, standard switching
      capacity
      product brand name SIRIUS
      product designation Circuit breaker
      design of the product for transformer protection
      product type designation 3RV6
      General technical data
      size of the circuit-breaker S0
      power loss W total typical 8 W
      insulation voltage with degree of pollution 3 at AC
      rated value
      690 V
      surge voltage resistance rated value 6 kV
      protection class IP
      on the front IP20
      of the terminal IP20
      shock resistance
      acc. to IEC 60068-2-27 25g / 11 ms
      Ambient conditions
      installation altitude at height above sea level
      maximum
      2 000 m
      ambient temperature
      during operation -20 ... +60 degrees centigrade
      during transport -50 ... +80 degrees centigrade
      relative humidity during operation 10 ... 95 %
      Main circuit
      number of poles for main current circuit 3
      adjustable pick-up value current of the currentdependent overload release
      20 ... 25 A
      operating voltage
      rated value 690 V
      at AC-3 rated value maximum 690 V
      operating frequency rated value 50 ... 60 Hz
      operating current rated value 25 A
      operating current
      at AC-3
      at 400 V rated value 25 A
      operating frequency
      at AC-3 maximum 15 1/h
      Protective and monitoring functions
      trip class CLASS 10
      design of the overload release thermal
      operational short-circuit current breaking capacity
      (Ics) at AC
      at 400 V rated value 25 kA
      maximum short-circuit current breaking capacity (Icu)
      at AC at 400 V rated value 55 kA
      response value current
      of instantaneous short-circuit trip unit 400 A
      Short-circuit protection
      product function short circuit protection Yes
      design of the short-circuit trip magnetic
      Installation/ mounting/ dimensions
      mounting position any
      mounting type screw and snap-on mounting onto 35 mm standard mounting rail
      according to DIN EN 60715
      height 97 mm
      width 45 mm
      depth 96 mm

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      Reviews

      • T

        Thearon Aki

        Aug 08, 2025

        Siemens Circuit Breaker 3RV6421-4DA10
        The inside sales team and phone support at OKmarts were able to resolve our issues quickly and efficiently.
        Helpful
        Unhelpful
      • P

        Preferred Air Inc

        Jul 04, 2025

        Siemens Circuit Breaker 3RV6421-4DA10
        I've been buying from OKmarts for ages, their production parts are amazing!
        Helpful
        Unhelpful
      • J

        Jameson Brown

        Jun 17, 2025

        Siemens Circuit Breaker 3RV6421-4DA10
        I'm thoroughly satisfied with OKmarts' prompt service and well-packaged products.
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        Unhelpful
      • M

        Michael Kiker

        Jul 10, 2024

        Siemens Circuit Breaker 3RV6421-4DA10
        yes I find what I need
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Siemens Circuit Breaker 3RV6421-4DA10
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Siemens Circuit Breaker 3RV6421-4DA10

      $ 146 .48
      Click here to view shipping costs.

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

      Quantity
      MOQ : 3
      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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