3RV2421-1KA10
Circuit breaker size S0 For transformer protection A-release 9...12.5 A Short-circuit release 260 A Screw 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
£43.50
Est. shipping: October 22 2026
View all options and prices (8)
| Condition | Warehouse | Stock | Price | |
|---|---|---|---|---|
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New Sealed
Full 24 months warranty Est. shipping: October 22 2026 |
WM71-3R | Enquire now | £43.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 22 2026 |
WM85-3R | Enquire now | £46.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 22 2026 |
WM92-3R | Enquire now | £46.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: December 07 2026 |
WM97-3R | Enquire now | £49.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 29 2026 |
WM66-3R | Enquire now | £49.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 22 2026 |
WM94-3R | Enquire now | £50.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 05 2026 |
WM44-3R | 10+ in stock | - | Get Quote |
|
New Sealed
Full 24 months warranty Est. shipping: October 05 2026 |
WM59-3R | Enquire now | - | Get Quote |
Condition: New
Priced on Request
Est. shipping: October 05 2026
Condition: Used
Priced on Request
Est. shipping: September 30 2026
Product Overview:
The 3RV2421-1KA10 is a thermal magnetic circuit breaker designed for transformer protection. It features screw terminal connections and is rated for a current of 12.5 A with a short-circuit release capacity of 260 A. This DIN rail-mounted device belongs to the SIRIUS series and offers standard switching capacity, making it suitable for various industrial applications requiring reliable circuit interruption and protection.
Full 12 months warranty
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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