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      Top Picks
      • Siemens Circuit Breaker 3RV1121-4AA10
      1/1
      Siemens Circuit Breaker 3RV1121-4AA10
      $ 439 .54

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

      Quantity
      MOQ : 1
      Payment Methods
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      • Specifications
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      Parameter
      Type 3RV1
      Breaker Type Motor Protection Circuit Breakers
      Rated current 16
      Number of Poles 1 pole
      Setting range for thermal overload releases 11...16 A
      Suitable for induction motors with P 7.5 kW
      Instantaneous overcurrent releases 208 A
      Short-circuit breaking capacity 50 kA
      Weight approx. 0.436 kg
      The Siemens Circuit Breaker is high quality!
      Circuit breaker size S0 for motor protection CLASS 10 with overload
      relay function A-release 11...16 A Short-circuit release 208 A Screw
      terminal Standard switching capacity !!! Phased-out product !!!
      Successor is SIRIUS 3RV2 Preferred successor type is >>3RV2121-
      4AA10<<
      product brand name SIRIUS
      product designation circuit breaker
      design of the product For motor protection with relay overload functionality
      General technical data
      product extension
      auxiliary switch Yes
      power loss W for rated value of the current
      at AC in hot operating state 9.25 W
      at AC in hot operating state per pole 3.1 W
      surge voltage resistance rated value 6 000 V
      protection class IP
      on the front IP20
      shock resistance 25g / 11 ms
      mechanical service life (switching cycles)
      of the main contacts typical 100 000
      continuous current rated value 16 A
      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
      Main circuit
      number of poles for main current circuit 3
      adjustable pick-up value current of the currentdependent
      overload release
      11 ... 16 A
      operating voltage
      rated value 690 V
      at AC-3 rated value maximum 690 V
      operating current
      at AC-3
      at 400 V rated value 16 A
      operating power
      at AC-3
      at 400 V rated value 7.5 kW
      operating frequency
      at AC-3 maximum 15 1/h
      Auxiliary circuit
      number of CO contacts
      for auxiliary contacts 0
      Protective and monitoring functions
      product function
      ground fault detection No
      phase failure detection Yes
      trip class CLASS 10
      maximum short-circuit current breaking capacity (Icu)
      at AC at 240 V rated value 100 kA
      at AC at 400 V rated value 50 kA
      at AC at 500 V rated value 10 kA
      at AC at 690 V rated value 4 kA
      Short-circuit protection
      design of the overcurrent release and short-circuit
      release
      thermomagnetic
      Installation/ mounting/ dimensions
      mounting position any
      mounting type screw and snap-on mounting onto 35 mm standard mounting rail
      according to DIN EN 50022
      height 97 mm
      width 45 mm
      depth 96 mm
      required spacing
      with side-by-side mounting
      backwards 0 mm
      at the side 0 mm
      Connections/ Terminals
      product function
      removable terminal for auxiliary and control
      circuit
      No
      type of electrical connection
      for main current circuit screw-type terminals
      for auxiliary and control circuit screw-type terminals
      arrangement of electrical connectors for main current
      circuit
      front side
      type of connectable conductor cross-sections
      for main contacts
      solid 2x (1 ... 2.5 mm?), 2x (2.5 ... 6 mm?)
      stranded 2x (1 ... 2.5 mm?), 2x (2.5 ... 6 mm?)
      finely stranded with core end processing 2x (1 ... 2.5 mm?), 2x (2.5 ... 6 mm?)
      at AWG conductors for main contacts 2x (14 ... 10)

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      Reviews

      • J

        Jeff Browning

        Aug 18, 2025

        Siemens Circuit Breaker 3RV1121-4AA10
        Easy to use and customize settings.
        Helpful
        Unhelpful
      • M

        Mark Muellner

        Aug 04, 2025

        Siemens Circuit Breaker 3RV1121-4AA10
        The work was completed on schedule and the motor was packaged nicely.
        Helpful
        Unhelpful
      • W

        William Kahrs

        Jul 27, 2025

        Siemens Circuit Breaker 3RV1121-4AA10
        I'm so happy with the performance of this motor.
        Helpful
        Unhelpful
      • G

        Garret Chilson

        Dec 09, 2024

        Siemens Circuit Breaker 3RV1121-4AA10
        Excellent
        Helpful
        Unhelpful
      • L

        Lazaro Diaz

        Dec 07, 2024

        Siemens Circuit Breaker 3RV1121-4AA10
        I'm really looking forward to receiving this product quickly.
        Helpful
        Unhelpful
      • P

        Phillip Mayfield

        Sep 13, 2024

        Siemens Circuit Breaker 3RV1121-4AA10
        Shipped out fast and arrived just as I wanted.
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Siemens Circuit Breaker 3RV1121-4AA10
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Siemens Circuit Breaker 3RV1121-4AA10

      $ 439 .54
      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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