3RV2421-4DA20
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 10 2026 |
WM66-3R | Enquire now | £59.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: July 07 2026 |
WM75-3R | 10+ in stock | £63.50 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: July 07 2026 |
WM22-3R | 15+ in stock | £121.00 | Add to Cart |
|
New Sealed
Full 24 months warranty Est. shipping: July 13 2026 |
WM59-3R | Low stock | - | Get Quote |
|
New Sealed
Full 24 months warranty Est. shipping: July 09 2026 |
WM44-3R | 10+ in stock | - | Get Quote |
|
New
Full 12 months warranty Est. shipping: July 06 2026 |
WM83-3R | Low stock | £168.50 | Add to Cart |
|
New
Full 12 months warranty Est. shipping: July 09 2026 |
WM44-3R | 20+ in stock | - | Get Quote |
|
New
Full 12 months warranty Est. shipping: July 09 2026 |
WM61-3R | 15+ in stock | - | Get Quote |
|
Used
Full 12 months warranty Est. shipping: July 09 2026 |
WM44-3R | 20+ in stock | - | Get Quote |
| Buying more than one? | Get Quote | |||
Full 12 months warranty
The 3RV2421-4DA20 is a thermal-magnetic circuit breaker designed for motor protection in industrial applications. It features switching capacity without an auxiliary switch and is suitable for transformer protection with an A-release setting of 18 to 25 A. The device is a part of the SIRIUS 3RV2 series, intended for use on DIN rails, and provides reliable overload and short-circuit protection for electrical motors and transformers.
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.