Siemens

5SD7444-8KK21

Image for illustration purposes only.

Siemens

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: July 27 2026
WM66-5S Enquire now £230.00 Add to Cart
New Sealed
Full 24 months warranty
Est. shipping: June 29 2026
WM44-5S 10+ in stock - Get Quote
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Part Information:
Part Number:
5SD7444-8KK21
Manufacturer:
Availability:
10+ in stock
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
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.
Siemens:

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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