Siemens, 5SD Surge Protection Device 300 V Maximum Voltage Rating 50kA Maximum Surge Current Surge Protection Device

View all Surge Suppressor Units

Subtotal (1 unit)*

£407.84

(exc. VAT)

£489.41

(inc. VAT)

Add to Basket
Select or type quantity
Temporarily out of stock
  • 999,999,999 unit(s) shipping from 08 December 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
1 +£407.84

*price indicative

RS Stock No.:
160-158
Mfr. Part No.:
5SD7443-8KK22
Brand:
Siemens
Find similar products by selecting one or more attributes.
Select all

Brand

Siemens

Suppressor Type

Surge Protection Device

Maximum Voltage Rating

300 V

Mounting Type

Push-Fit

Maximum Surge Current

50kA

Series

5SD

COO (Country of Origin):
DE
The Siemens surge protection device is engineered to safeguard electrical installations against transient overvoltages. This advanced combination arrester is suitable for Type 1+2 applications, ensuring both efficiency and reliability. Designed to handle high discharge and lightning current peak values, it provides robust protection in accordance with IEC standards. The device's compact structure allows for straightforward busbar mounting, maximising space and simplifying installation. With a durable enclosure and high-performance engineering, it stands as a prime choice for professionals seeking dependable surge protection solutions for critical applications.

Optical remote signalling contact aids in real-time monitoring
TNC distribution system compatibility ensures versatile applications
High operational temperature range from -40 to +85 °C for rugged environments
Supports a broad humidity range promoting reliability in diverse conditions

Related links