3RV2021-4FA10

Siemens

Image for illustration purposes only.

If you're unsure whether this part is a perfect match, please contact us.

Enquire now
Full 24 months warranty
Worldwide Delivery

Condition: New Sealed

£83.50

Est. shipping: October 26 2026

Need it quicker? Get a Quote

Condition Warehouse Stock Price
New Sealed
Full 24 months warranty
Est. shipping: October 26 2026
WM71-3R Enquire now £83.50 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: October 26 2026
WM92-3R Enquire now £87.50 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: October 26 2026
WM85-3R Enquire now £89.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: December 10 2026
WM97-3R Enquire now £91.50 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: November 02 2026
WM66-3R Enquire now £92.50 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: October 26 2026
WM94-3R Enquire now £94.50 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: October 05 2026
WM22-3R Enquire now - Get Quote
New Sealed
Full 24 months warranty
Est. shipping: October 05 2026
WM24-3R Enquire now - Get Quote
New Sealed
Full 24 months warranty
Est. shipping: October 06 2026
WM44-3R 10+ in stock - Get Quote
150+ in stock
Full 12 months warranty
Worldwide Delivery

Condition: New

£155.50

Est. shipping: October 07 2026

Need it quicker? Get a Quote

Condition Warehouse Stock Price
New
Full 12 months warranty
Est. shipping: October 07 2026
WM89-3R 150+ in stock £155.50 Add to Cart
New In Open Original Box
Full 12 months warranty
Est. shipping: October 02 2026
WM19-3R Enquire now - Get Quote
New
Full 12 months warranty
Est. shipping: October 05 2026
WM83-3R Enquire now - Get Quote
New
Full 12 months warranty
Est. shipping: October 06 2026
WM44-3R 20+ in stock - Get Quote
New
Full 12 months warranty
Est. shipping: October 06 2026
WM61-3R Enquire now - Get Quote
New
Full 12 months warranty
Est. shipping: October 08 2026
WM59-3R Enquire now - Get Quote
New
Full 12 months warranty
Est. shipping: October 12 2026
WM46-3R Enquire now - Get Quote
New
Full 12 months warranty
Est. shipping: November 02 2026
WM74-3R Enquire now - Get Quote
Enquire now
Full 12 months warranty
Worldwide Delivery

Condition: Used

Priced on Request

Est. shipping: October 05 2026

Need it quicker? Get a Quote

Condition Warehouse Stock Price
Used
Full 12 months warranty
Est. shipping: October 05 2026
WM83-3R Enquire now - Get Quote
Used
Full 12 months warranty
Est. shipping: October 05 2026
WM72-3R Enquire now - Get Quote
Used
Full 12 months warranty
Est. shipping: October 06 2026
WM44-3R 20+ in stock - Get Quote

Buying multiple or need a quote including shipping?

Get a Quote

Fast response times

Our Warehouse Description:

The 3RV2021-4FA10 is a compact, current-limiting circuit breaker designed for motor protection. It features a size S0 configuration suitable for load feeders up to 18.5 kW at AC-3/400 V. The breaker provides a class 10 A release with a current range of 34 to 40 A and a N-release capacity of 480 A. Equipped with screw terminals and standard switching capacity, it is suitable for various motor protection applications in electrical systems.

The above description is based on our office/warehouse notes. Some data may be inaccurate - refer to your part number.

Part Number:
3RV2021-4FA10
Manufacturer:
Availability:
200+ available from our partners
Conditions:
New Sealed, New In Open Original Box, New and Used
Warranty:
Full 24 months warranty
Full 12 months warranty
Lead Time:
Need it Faster? Please Check With CJS
System ID Number:
7810541
Shipping:
We deliver worldwide
Weight:
0.38kg
Dimensions:
49mm x 102mm x 102mm
Also Known As:
3RV2021_4FA10, 3RV20214FA10, 3RV2021/4FA10, 3RV2021-4FA10

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***

Part Description:
Circuit breaker size S0 for motor protection, CLASS 10 A-release 34...40 A N-release 480 A screw terminal Standard switching capacity
Live progress tracking with every order!
Trusted by 100+ manufacturing companies worldwide
Heineken LogoSpace X LogoAmazon LogoTesla LogoBoeing Logo
Worldwide Delivery by Fedex
Secure Payments via
VISAAmexMastercardPayPal
Rated excellent on Trustpilot
4.5
Up to 24 Month Warranty
Coverage based on item condition
24/7 Customer Support
Talk to our experts any time of day
Easy 30 Day Returns
Simple and hassle-free returns policy