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Siemens 3RV2142-4RA10
SIRIUS Motor Protection Circuit Breaker
Product Description
Experience robust motor protection with the Siemens SIRIUS 3RV2142-4RA10 motor protection circuit breaker. This advanced S3 size circuit breaker is designed for demanding industrial applications, functioning effectively as an overload relay.
The 3RV2142-4RA10 provides an adjustable current range of 65 to 84 Amperes for precise thermal overload protection. It features a rapid Class 10 tripping characteristic, ensuring quick response to overloads and safeguarding your motors. For enhanced short-circuit protection, it includes a fixed N-release (instantaneous trip) set at a high 1170 Amperes. This breaker is equipped with reliable screw connections for secure wiring and boasts increased breaking capacity, making it suitable for environments with higher fault current levels. This Siemens circuit breaker is an excellent choice for a wide range of heavy-duty motor control applications requiring dependable and comprehensive protection.
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Offer details
- Offer from:
Trusted supplier — Romania, member since 2023, 1–4 employees
- Availability:
- On requestLead time: 21 days
- Warranty:
- Not specified
- 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 On requestLead time: 21 days | Supplier | Warranty Not specified | |
| Condition New Surplus | Availability 2 pcs. Updated at: 15-09-2026In-Stock | Supplier | Warranty 24 months | ||
| Condition New Factory Sealed | Availability On requestLead time: 5 days | Supplier | Warranty Not specified | ||
![]() | Condition New Factory Sealed | Availability On requestLead time to be confirmed | Supplier | 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 3RV2142-4RA10, including specifications and features.
CAD Models
3D CAD model and technical drawings, ready for your design software.
Product data updated: 22-08-2026

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