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      Top Picks
      • Siemens Circuit Breaker 3RV2421-4BA15
      1/1
      Siemens Circuit Breaker 3RV2421-4BA15
      $ 347 .63

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

      Quantity
      MOQ : 1
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      Parameter
      Type 3RV2
      Breaker Type Motor Protection Circuit Breakers
      Rated current 20
      Number of Poles 1 pole
      Setting range for thermal overload releases 13...20 A
      The Siemens Circuit Breaker is high quality!
      Circuit breaker size S0 for transformer protection A-release 13...20 A
      N-release 325 A Screw terminal Standard switching capacity with
      transverse auxiliary switches 1 NO+1 NC
      product brand name SIRIUS
      product designation Circuit breaker
      design of the product For transformer protection
      product type designation 3RV2
      General technical data
      size of the circuit-breaker S0
      size of contactor can be combined company-specific S00, S0
      product extension
      auxiliary switch Yes
      power loss W for rated value of the current
      at AC in hot operating state 10.5?W
      at AC in hot operating state per pole 3.5?W
      insulation voltage with degree of pollution 3 at AC
      rated value
      690?V
      surge voltage resistance rated value 6?kV
      maximum permissible voltage for safe isolation
      in networks with grounded star point between
      main and auxiliary circuit
      400?V
      Main circuit
      number of poles for main current circuit 3
      adjustable pick-up value current of the currentdependent overload release
      13?...?20?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 20?A
      operating current
      at AC-3
      at 400 V rated value 20?A
      operating power
      at AC-3
      at 230 V rated value 5?500?W
      at 400 V rated value 7?500?W
      at 500 V rated value 11?000?W
      at 690 V rated value 15?000?W
      operating frequency
      at AC-3 maximum 15?1/h

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      Reviews

      • H

        Harry Kartha

        Aug 09, 2025

        Siemens Circuit Breaker 3RV2421-4BA15
        I'm extremely pleased with the product's durability.
        Helpful
        Unhelpful
      • S

        Sean Harrel

        Jul 14, 2025

        Siemens Circuit Breaker 3RV2421-4BA15
        I managed to track down the part I needed online, placed the order as a guest, and received it promptly.
        Helpful
        Unhelpful
      • R

        Richard Hansen

        Apr 21, 2025

        Siemens Circuit Breaker 3RV2421-4BA15
        Quick delivery. Thanks a bunch!
        Helpful
        Unhelpful
      • D

        Dallas Rainey

        Sep 21, 2024

        Siemens Circuit Breaker 3RV2421-4BA15
        ordenó llenado y envío rápido, perfecto
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Siemens Circuit Breaker 3RV2421-4BA15
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Siemens Circuit Breaker 3RV2421-4BA15

      $ 347 .63
      Click here to view shipping costs.

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

      Quantity
      MOQ : 1
      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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