3RV2821-4CD10
Circuit breaker, S0 for transformer protection, UL 489, CSA C22.2 No. 5-02
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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
£113.50
Est. shipping: October 23 2026
View all options and prices (9)
| Condition | Warehouse | Stock | Price | |
|---|---|---|---|---|
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New Sealed
Full 24 months warranty Est. shipping: October 23 2026 |
WM71-3R | Enquire now | £113.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 23 2026 |
WM92-3R | Enquire now | £120.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 23 2026 |
WM85-3R | Enquire now | £121.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 30 2026 |
WM66-3R | Enquire now | £125.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: December 08 2026 |
WM97-3R | Enquire now | £125.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 23 2026 |
WM94-3R | Enquire now | £128.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: October 06 2026 |
WM75-3R | 15+ in stock | £133.50 | 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 06 2026 |
WM59-3R | Enquire now | - | Get Quote |
Condition: New
Priced on Request
Est. shipping: October 05 2026
Condition: Used
Priced on Request
Est. shipping: October 05 2026
Product Overview:
The 3RV2821-4CD10 is a circuit breaker designed for industrial automation applications. It features a size S0 construction, suitable for protecting transformers and other electrical equipment. The device offers disconnector functionality with an auxiliary switch for additional control options. It is a 3-pole (3P) thermal-magnetic circuit breaker rated for 22A and complies with UL 489 standards. The breaker is equipped with multiple channels for monitoring and protection, making it suitable for high inrush current situations. Additionally, it is compatible with DIN rail mounting and belongs to the SIRIUS 3RV2 series, ensuring reliable performance in various electrical systems.
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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