Siemens, 5SD Surge Protection Device 300V Maximum Voltage Rating 50 kA Maximum Surge Current Surge Protection Device
- RS Stock No.:
- 160-164
- Mfr. Part No.:
- 5SD7444-8KK12
- Brand:
- Siemens
Subtotal (1 unit)*
£384.34
(exc. VAT)
£461.21
(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 + | £384.34 |
*price indicative
- RS Stock No.:
- 160-164
- Mfr. Part No.:
- 5SD7444-8KK12
- 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 | |
| Series | 5SD | |
| Minimum Operating Temperature | -40°C | |
| Maximum Operating Temperature | 85°C | |
| Length | 47mm | |
| Height | 224mm | |
| Depth | 74mm | |
| Standards/Approvals | RoHS, ESD S20.20:2021 Electrostatic Control Standard, ANSI | |
| 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 | ||
Series 5SD | ||
Minimum Operating Temperature -40°C | ||
Maximum Operating Temperature 85°C | ||
Length 47mm | ||
Height 224mm | ||
Depth 74mm | ||
Standards/Approvals RoHS, ESD S20.20:2021 Electrostatic Control Standard, ANSI | ||
Hazardous Area Certification No | ||
The Siemens innovative surge protection device is engineered to safeguard critical electrical installations against voltage spikes. Designed in compliance with the latest international standards, it combines a robust four-pole configuration with exceptional performance ratings for diverse applications. Its compact design allows for easy mounting on a 40mm busbar, making it suitable for TN-S and TT distribution systems. The device’s advanced technology ensures reliable operation under challenging environmental conditions, making it ideal for both commercial and industrial settings. The inclusion of remote signaling capabilities further enhances its utility, providing real-time monitoring and increased operational safety.
Compact design ensures compatibility with standard busbar installations
Remote signaling functionality enhances operational monitoring
Constructed from durable materials for long-lasting performance
High resistance to environmental factors with wide temperature range
Designed to extinguish follow currents effectively ensuring safety
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