5SD7444-8KK21

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

£229.00

Est. shipping: November 30 2026

Need it quicker? Get a Quote

Condition Warehouse Stock Price
New Sealed
Full 24 months warranty
Est. shipping: November 30 2026
WM66-5S Enquire now £229.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: November 23 2026
WM71-5S Enquire now £243.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: November 23 2026
WM94-5S Enquire now £258.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: November 23 2026
WM92-5S Enquire now £264.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: November 23 2026
WM85-5S Enquire now £298.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: December 10 2026
WM97-5S Enquire now £399.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: October 06 2026
WM44-5S 10+ in stock - Get Quote

Buying multiple or need a quote including shipping?

Get a Quote

Fast response times

Our Warehouse Description:

The 5SD7444-8KK21 is a combination arrester designed for low-voltage surge protection applications. It features a type 1+2 requirement class B+C with a maximum continuous operating voltage (Uc) of 300 V and an impulse current rating (Iimp) of 12.5 kA. This four-pole device supports 3+1 circuit configurations suitable for TN-S and TT systems, and is intended for installation on a 40 mm busbar system with remote connection options. It complies with IEC 61643-11: 2011 and EN 61643-11: 2012 standards, ensuring reliable surge protection in various electrical systems.

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

Part Number:
5SD7444-8KK21
Manufacturer:
Availability:
10+ available from our partners
Condition:
New Sealed
Warranty:
Full 24 months warranty
Lead Time:
Need it Faster? Please Check With CJS
System ID Number:
4355147
Shipping:
We deliver worldwide
Weight:
0.81kg
Dimensions:
97mm x 115mm x 86mm
Also Known As:
5SD7444_8KK21, 5SD74448KK21, 5SD7444/8KK21, 5SD7444-8KK21

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:
combination arrester type 1+2 requirement class B+C, Uc 300 V, Iimp=12.5 kA 4-pole, 3+1 circuit for TN-S and TT systems, for 40 mm busbar system with remote display
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