3RV2421-4AA20-0DA0
circuit breaker size S0 for transformer protection without phase failure protection A-release 10...16 A short-circuit release 286 A spring-loaded terminal standard switching capacity
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New Sealed — New and unused, supplied in original manufacturer packaging.
New — New and unused. Original manufacturer packaging may be opened, missing or replaced.
Refurbished — Professionally inspected, tested and restored to full working condition.
Used — Previously used, inspected and tested as fully operational.
Condition: New Sealed
£59.00
Est. shipping: October 23 2026
View all options and prices (7)
| Condition | Warehouse | Stock | Price | |
|---|---|---|---|---|
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New Sealed
Full 24 months warranty Est. shipping: October 23 2026 |
WM71-3R | Enquire now | £59.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 23 2026 |
WM85-3R | Enquire now | £63.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 23 2026 |
WM92-3R | Enquire now | £64.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: December 08 2026 |
WM97-3R | Enquire now | £64.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 30 2026 |
WM66-3R | Enquire now | £65.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 23 2026 |
WM94-3R | Enquire now | £67.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 05 2026 |
WM44-3R | 10+ in stock | - | Get Quote |
Product Overview:
The 3RV2421-4AA20-0DA0 is a Siemens SIRIUS 3RV2 electronic circuit breaker designed for transformer protection. It features a size S0 suitable for applications requiring current ratings between 10 and 16 A, with a short-circuit release capacity of 286 A. This three-channel, DIN rail-mounted device provides reliable electrical protection for transformers and related installations without phase failure protection.
Siemens is a global leader in industrial automation, digitalisation, and electrification, offering products such as PLCs, drives, industrial robots, and process control systems. Known for innovation and sustainability, Siemens’ technologies enhance efficiency, safety, and performance across industries like manufacturing, energy, and healthcare.
***CJS Automation is NOT an authorised distributor of Siemens***
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