Siemens, 5SD Surge Protection Device 300V Maximum Voltage Rating 50 kA Maximum Surge Current Surge Protection Device
- RS Stock No.:
- 160-163
- Mfr. Part No.:
- 5SD7443-8KK12
- Brand:
- Siemens
Subtotal (1 unit)*
£331.86
(exc. VAT)
£398.23
(inc. VAT)
FREE delivery for orders over £60.00
Stocked by manufacturer
- Ready to ship from 25 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit |
|---|---|
| 1 + | £331.86 |
*price indicative
- RS Stock No.:
- 160-163
- Mfr. Part No.:
- 5SD7443-8KK12
- Brand:
- Siemens
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Siemens | |
| Product Type | Surge Protection Device | |
| Suppressor Type | Surge Protection Device | |
| Maximum Voltage | 300V | |
| Mount Type | Push-in | |
| Maximum Surge Current | 50kA | |
| Packaging | 1 pieces | |
| Series | 5SD | |
| Minimum Operating Temperature | -40°C | |
| Maximum Operating Temperature | 85°C | |
| Length | 47mm | |
| Standards/Approvals | ESD S20.20:2021 Electrostatic Control Standard, RoHS, ANSI | |
| Height | 224mm | |
| Depth | 74mm | |
| Hazardous Area Certification | No | |
| Select all | ||
|---|---|---|
Brand Siemens | ||
Product Type Surge Protection Device | ||
Suppressor Type Surge Protection Device | ||
Maximum Voltage 300V | ||
Mount Type Push-in | ||
Maximum Surge Current 50kA | ||
Packaging 1 pieces | ||
Series 5SD | ||
Minimum Operating Temperature -40°C | ||
Maximum Operating Temperature 85°C | ||
Length 47mm | ||
Standards/Approvals ESD S20.20:2021 Electrostatic Control Standard, RoHS, ANSI | ||
Height 224mm | ||
Depth 74mm | ||
Hazardous Area Certification No | ||
The Siemens combination arrester is designed to provide robust surge protection for electrical installations, catering to requirement classes B and C. Built to withstand conditions in TN-C distribution systems, this device offers comprehensive safety with a focus on reliability and operational efficiency. Equipped with advanced features that ensure fast response times and high discharge current capabilities, it protects against transient voltage surges caused by lightning and other electrical disturbances, ensuring the longevity and safety of connected equipment. The compact design facilitates easy installation on standard busbars, while maintaining high standards of environmental resistance.
Designed for busbar mounting simplifying installation
Compact form factor helps optimise space in electrical panels
Offers remote signalling capabilities for enhanced monitoring
Built with durable materials that withstand harsh environmental conditions
Robust surge current handling ensures the protection of sensitive equipment
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