Need more information?
Siemens 3RV2021-1BA15
Circuit Breaker S0 1.4-2A with Auxiliary Switch 1NO/1NC
Product Description
The Circuit Breaker S0 operates within a current range of 1.4 to 2 A and is classified under CLASS 10 for thermal trip response. It features a magnetic release system with a maximum rated operating voltage of 690 V and is equipped with a transverse auxiliary switch comprising 1 NO and 1 NC contact.
Designed for robust motor protection, this device includes a screw connection type for ease of installation. The circuit breaker can handle a continuous operational current of 2 A and is suitable for environments with temperatures ranging from -20 to +60 °C. Its IP20 protection class ensures adequate safety against contact with foreign objects.
With a compact design measuring 97 mm in height and 45 mm in width, it can be mounted on a 35 mm DIN rail. The circuit breaker features an electrical endurance of 100,000 operating cycles and is sensitive to phase failure, enhancing its reliability in industrial applications. The integrated auxiliary switch allows for additional control and monitoring capabilities.
Need more information?
Offer details
- Offer from:
Trusted supplier — Germany, member since 2024 - Availability:
- 6 pcs.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
(7)| Condition | Availability | Supplier | Warranty | Action | |
|---|---|---|---|---|---|
 | Condition New Surplus | Availability 6 pcs. Updated at: 15-09-2026In-Stock | SupplierGermanyTrusted supplier — member since 2024 | Warranty 24 months | |
| Condition Refurbished | Availability 3 pcs. Updated at: 15-09-2026In-Stock | SupplierGermanyTrusted supplier — member since 2024 | Warranty 24 months | |
 | Condition New Factory Sealed | Availability 30 pcs. Updated at: 20-09-2026In-Stock | Supplier CzechiaTrusted supplier — member since 2021, 50–99 employees | Warranty 24 months | |
:fill(white):quality(80)/media/thumbor) | Condition New Factory Sealed | Availability 30 pcs. Updated at: 20-09-2026In-Stock | Supplier PolandTrusted supplier — member since 2023, 50–99 employees | Warranty 24 months | |
| Condition New Factory Sealed | Availability 2 pcs. Updated at: 18-09-2026In-Stock | Supplier CroatiaTrusted supplier — member since 2023 | Warranty 12 months | |
| Condition New Factory Sealed | Availability On requestLead time: 5 days | SupplierGermanyTrusted supplier — member since 2024 | Warranty Not specified |
Offer with manufacturer lead time
Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.
Documents
Data Sheet
Datasheet for Siemens 3RV2021-1BA15, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 15-09-2026
Market insights for 3RV2021-1BA15
Get real-time analytics and market data for 3RV2021-1BA15 and similar products to optimize your purchasing decisions
- Real-time stock availability data from 700 MRO distributors in Europe and USA
- Price analysis by condition (new, used, refurbished) with market median prices
- Critical component availability monitoring to prevent production downtime