Siemens 3RV1021-1DA15 SIRIUS Motor Protection Circuit Breaker

The Siemens 3RV1021-1DA15 is a SIRIUS 3RV1 series motor protection circuit breaker designed for reliable overload and short-circuit protection of three-phase motors. It features an adjustable overload release (A-release) range of 2.2–3.2 A, a fixed short-circuit release (N-release) at 42 A, and Class 10 tripping characteristics. The unit is supplied with a transverse-mounted auxiliary switch block (1 NO + 1 NC) pre-installed and uses screw terminals for main circuit connections.

  • Item No :

    3RV1021-1DA15
  • Order(MOQ) :

    1
  • Payment :

    EXW
  • Product Origin :

    Germany
  • Shipping Port :

    Wuhan, Hubei, China
  • Lead Time :

    3-5 days
  • Weight :

    0.355kg
  • Overview

    3RV1021-1DA15 SIMATIC PLC Module

    New in stock     

    Origin from Germany

    Payment Method: TT.Western Union

    Shipping Method: DHL\UPS\Fedex\EMS\Others

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    Recommended Models & Related Products

     
     
    Part Number Description Key Difference
    3RV1021-1DA15 S0, 2.2–3.2 A, with 1NO+1NC aux (this item) Phased out; remaining stock
    3RV2011-1DA15 Successor – SIRIUS 3RV2, same range Preferred replacement model
    3RV1021-1DA10 S0, 2.2–3.2 A, without auxiliary contacts Base model without aux block
    3RV1021-1JA15 S0, 7–10 A, with 1NO+1NC aux Higher current range
    3RT1024-1AP00 SIRIUS Contactor, S0 Compatible contactor for combination starters

    What's Included

    • 1 × Siemens 3RV1021-1DA15 Motor Protection Circuit Breaker (with 1 NO + 1 NC auxiliary switch pre-installed)

    Note: Contactor, DIN rail, and wiring accessories are sold separately.

    Why Buy From Us?

    • In Stock – Ready to ship immediately

    • Tested – Each unit verified for functionality

    • Warranty Included – 12-month warranty for purchase confidence

    • Technical Support – Motor protection and successor migration assistance available

    Frequently Asked Questions (FAQ)

    Q1: What is the Siemens 3RV1021-1DA15?

    It is a SIRIUS 3RV1 motor protection circuit breaker with an adjustable overload range of 2.2–3.2 A, a 42 A magnetic short-circuit release, and Class 10 tripping. It ships with a pre-installed 1 NO + 1 NC auxiliary switch block .

    Q2: Is this product still in production?

    No. It has been phased out by Siemens. It is available only through remaining stock, refurbished units, or third-party suppliers .

    Q3: What is the successor model?

    The preferred successor is 3RV2011-1DA15 from the SIRIUS 3RV2 series .

    Q4: What is the overload adjustment range?

    The A-release is adjustable from 2.2 to 3.2 A .

    Q5: What is the short-circuit release rating?

    The N-release is fixed at 42 A (magnetic) .

    Q6: What is the motor power rating?

    The breaker is rated for 1.1 kW at 400 V AC in AC-3 duty .

    Q7: Does this breaker include auxiliary contacts?

    Yes. It includes a transverse-mounted 1 NO + 1 NC auxiliary switch block .

    Q8: What is the short-circuit breaking capacity?

    The Icu is 100 kA at 240/400/500 V AC and 8 kA at 690 V AC .

    Q9: What are the dimensions and weight?

    Approximately 45 × 96 × 97 mm and 0.355 kg .

    Q10: What should I verify before ordering?

    Always verify the exact part number (3RV1021-1DA15), confirm your motor full-load current falls within the 2.2–3.2 A range, check that the 42 A short-circuit release is appropriate for your application, and consider whether to migrate to the successor 3RV2011-1DA15 for new installations.

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