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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.
رقم الصنف :
3RV1021-1DA15الطلب (الحد الأدنى للكمية) :
1قسط :
EXWمنشأ المنتج :
Germanyميناء الشحن :
Wuhan, Hubei, Chinaمهلة :
3-5 daysوزن :
0.355kgOverview
3RV1021-1DA15 SIMATIC PLC Module
New in stock
Origin from Germany
Payment Method: TT.Western Union
Shipping Method: DHL\UPS\Fedex\EMS\Others
More Brands
| 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 |
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.
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
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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