3RV2421-4AA10
Image for illustration purposes only.
If you're unsure whether this part is a perfect match, please contact us.
| Condition | Warehouse | Stock | Price | |
|---|---|---|---|---|
|
New Sealed
Full 24 months warranty Est. shipping: August 21 2026 |
WM66-3R | Enquire now | £48.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: July 20 2026 |
WM22-3R | Low stock | £82.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: July 24 2026 |
WM59-3R | Low stock | - | Get Quote |
|
New Sealed
Full 24 months warranty Est. shipping: July 23 2026 |
WM44-3R | 10+ in stock | - | Get Quote |
|
New
Full 12 months warranty Est. shipping: July 23 2026 |
WM44-3R | 5+ in stock | - | Get Quote |
|
New
Full 12 months warranty Est. shipping: July 22 2026 |
WM61-3R | Low stock | - | Get Quote |
|
Used
Full 12 months warranty Est. shipping: July 23 2026 |
WM44-3R | 5+ in stock | - | Get Quote |
| Buying more than one? | Get Quote | |||
Full 12 months warranty
The 3RV2421-4AA10 is a circuit breaker designed for transformer protection, specifically suitable for applications with rated currents between 10 and 16 amperes. It belongs to the SIRIUS 3RV2 series of motor starter protectors and features a size S0 configuration, enabling integration with contactors of similar size. The circuit breaker provides short-circuit protection and is equipped with screw terminals for secure connections. It is rated for a voltage of up to 460/480 V and has a rated permanent current of 16A, with a high inrush current handling capability. The device includes thermal-magnetic protection and has typical active power loss around 7 W, with insulation voltage appropriate for environments with a pollution degree of 3.
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***
Get a Quote
What Happens Next?
Email Confirmation
We’ll send you an email confirming that we’ve received your enquiry and are processing your request.
Dedicated Account Manager
A member of our team will be in contact to confirm the part(s), specifications, and condition.
Your Quote
You will receive a comprehensive quote tailored to your specific needs.
Track Your Shipment
You'll receive tracking details once your order ships so you can follow it's progress.
Online Payments Accepted
If you're happy with your quote, you can pay by Bank Transfer or through our secure payment page using any of the following payment methods, just enter your invoice number and follow the on-screen instructions.
Other Siemens Parts
Closest part codes available to buy online.
GB 
US 
DE 
DK 
ES 
FI 
FR 
IT 
NL 
NO 
PT 
SE