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      Top Picks
      • Siemens Circuit Breaker 3RV2021-4BA25
      1/1
      Siemens Circuit Breaker 3RV2021-4BA25
      $ 332 .11

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

      Quantity
      MOQ : 1
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      • Specifications
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      Parameter
      Type 3RV2
      Breaker Type Motor Protection Circuit Breakers
      Rated current 20
      Number of Poles 2 pole
      Setting range for thermal overload releases 13...20 A
      The Siemens Circuit Breaker is high quality!
      Circuit breaker size S0 for motor protection, CLASS 10 A-release
      13...20 A N-release 260 A Spring-type 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 motor 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
      protection class IP
      on the front IP20
      of the terminal IP20
      shock resistance
      acc. to IEC 60068-2-27 25g / 11 ms
      mechanical service life (switching cycles)
      of the main contacts typical 100?000
      of auxiliary contacts typical 100?000
      electrical endurance (switching cycles)
      typical 100?000
      type of protection according to ATEX directive
      2014/34/EU
      Ex II (2) GD
      certificate of suitability according to ATEX directive
      2014/34/EU
      DMT 02 ATEX F 001
      reference code acc. to DIN EN 81346-2 Q
      Ambient conditions
      installation altitude at height above sea level
      maximum
      2?000?m
      ambient temperature
      during operation -20?...?+60?degrees centigrade
      during storage -50?...?+80?degrees centigrade
      during transport -50?...?+80?degrees centigrade
      temperature compensation -20?...?+60?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
      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
      height 119?mm
      width 45?mm
      depth 97?mm

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      Reviews

      • B

        Billy Owens

        Aug 22, 2025

        Siemens Circuit Breaker 3RV2021-4BA25
        That was incredible service, thanks a million!
        Helpful
        Unhelpful
      • D

        David Grossnickle

        Jun 17, 2025

        Siemens Circuit Breaker 3RV2021-4BA25
        Wonderful customer service and a very welcoming staff.
        Helpful
        Unhelpful
      • R

        RICHARD DOUGHERTY

        Jan 23, 2025

        Siemens Circuit Breaker 3RV2021-4BA25
        Convenient and affordable, a great combo!
        Helpful
        Unhelpful
      • M

        Mike Finlan

        Oct 01, 2024

        Siemens Circuit Breaker 3RV2021-4BA25
        Thanks
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Siemens Circuit Breaker 3RV2021-4BA25
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Siemens Circuit Breaker 3RV2021-4BA25

      $ 332 .11
      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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