Siemens 3RV1421-1AA10

Siemens 3RV1421-1AA10 Circuit Breaker

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Siemens 3RV1421-1AA10 3RV1421-1AA10 Circuit Breaker — Circuit Breakers & Fuses
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Siemens 3RV1421-1AA10 3RV1421-1AA10 Circuit Breaker — Circuit Breakers & Fuses
Siemens 3RV1421-1AA10 3RV1421-1AA10 Circuit Breaker — Circuit Breakers & Fuses
Siemens 3RV1421-1AA10 3RV1421-1AA10 Circuit Breaker — Circuit Breakers & Fuses

Product Description

Lifecycle Status:Successor:

The Siemens 3RV1421-1AA10 Circuit Breaker is designed for transformer protection with an adjustable A-release range of 1.1 to 1.6 A and a short-circuit release of 33 A. This circuit breaker, categorized under size S0, ensures reliable performance and protection for your electrical systems. It features screw terminals for secure connections and standard switching capacity. This product is built to meet stringent industry standards, ensuring safety and efficiency in various applications.

With its robust design and reliable protection capabilities, the Siemens 3RV1421-1AA10 is an ideal choice for safeguarding transformers in industrial settings. The circuit breaker is compliant with the RoHS directive and adheres to the REACH regulations, ensuring it meets environmental and safety standards. Additionally, Siemens offers services such as spare part delivery, repair, and exchange for this product, providing comprehensive support throughout its lifecycle.

Applications: The Siemens 3RV1421-1AA10 Circuit Breaker is suitable for use in industrial environments where transformer protection is critical. Its adjustable settings and reliable performance make it an excellent choice for maintaining the safety and efficiency of electrical systems.

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Offer details

Best offer from:
Trusted supplier — Switzerland, member since 2023
Availability:
2 pcs.
In-Stock
Updated at: 05-09-2026
Condition:
New Surplus
New Surplus - A new, unused, undamaged item without a manufacturer guarantee. The item may come without original packaging or in replacement packaging. If provided, the box may have been opened.
The Seller is responsible for shipping the product and invoicing

Specifications

Brand
Siemens
A-release
1.1...1.6 A
Short-circuit release
33 A
Switching capacity
Standard
Size
S0
Terminal type
Screw terminal
RoHS directive
Compliant since 05/01/2012

Available Offers

(10)
3RV1421-1AA10 Siemens, Circuit Breakers & Fuses

Siemens

Available:
2 pcs.
In-Stock
Updated at: 05-09-2026
Offer from:
Trusted supplier — Switzerland, member since 2023
Warranty:
3 months
3RV1421-1AA10 Siemens, Circuit Breakers & Fuses

Siemens

Available:
1 pc.
In-Stock
Updated at: 10-03-2026
Offer from:
Trusted supplier — Germany, member since 2022
Warranty:
1 month
3RV1421-1AA10 Siemens, Circuit Breakers & Fuses

Siemens

Available:
2 pcs.
In-Stock
Updated at: 03-09-2026
Offer from:
Trusted supplier — Germany, member since 2025, 5–9 employees
Warranty:
12 months

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Documents

Data Sheet

Datasheet for Siemens 3RV1421-1AA10, including specifications and features.

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CAD Models

3D CAD model and technical drawings, ready for your design software.

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