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Siemens 3RV2121-4DA10
SIRIUS Motor Protection Circuit Breaker
Product Description
Ensure the safety of your motors with the Siemens SIRIUS 3RV2121-4DA10 motor protection circuit breaker. This robust S0 size circuit breaker is designed for efficient and precise motor protection, functioning as an overload relay with an adjustable current range of 20 to 25 Amperes.
The 3RV2121-4DA10 features a rapid Class 10 tripping characteristic, ensuring quick and effective response to overloads, protecting your equipment from damage. It includes a fixed N-release (short-circuit instantaneous trip) set at 325 Amperes, providing strong protection against short circuits. For secure wiring, this breaker is equipped with convenient screw connections and offers standard switching capacity. This Siemens circuit breaker is an excellent choice for a wide range of industrial motor control applications requiring dependable and integrated protection.
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Offer details
- Offer from:
Trusted supplier — Germany, member since 2024 - Availability:
- 1 pc.Updated at: 15-09-2026In-Stock
- Warranty:
- 24 months
- Condition:
- New Surplus
Specifications
- Brand
- Siemens
- Pole number
- 3
- Manner of using
- Toggle
- Protection type IP
- IP20
- Release system
- magnetic
- Sensitive to phase failure
- Connection type
- Screw connection
Available Offers
(4)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
 | Condition New Surplus | Availability 1 pc. Updated at: 15-09-2026In-Stock | SupplierGermanyTrusted supplier — member since 2024 | Warranty 24 months | |
 | Condition New Surplus | Availability On requestLead time: 21 days | Supplier RomaniaTrusted supplier — member since 2023, 1–4 employees | Warranty Not specified | |
| Condition New Factory Sealed | Availability On requestLead time: 5 days | SupplierGermanyTrusted supplier — member since 2024 | Warranty Not specified | |
 | Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier ItalyTrusted supplier — member since 2021, 10–19 employees | Warranty 12 months |
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Siemens 3RV2121-4DA10, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 15-09-2026
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