Siemens 5ST3020 Auxiliary Fault Signal Contact NO/NC - 5ST3020
Siemens 5ST3020 Auxiliary Fault Signal Contact NO/NC - 5ST3020
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£25.76
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Siemens Auxiliary Switch 1S+1NC for LS-switch 5SL 5SY 5SP FI/LS
Overall Rating: 1.2 / 5 (average from multiple review sources, as of 8 May 2026)
Based on a total of 22,794 customer reviews from independent review platforms.
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Based on a total of 22,794 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
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Will usually delivered within 8 working days of receiving cleared payment.
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£35.66
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Siemens 5ST3020 Auxiliary Switch 1S+1NC for LS-switch 5SL 5SY 5SP ...
Overall Rating: 4.8 / 5 (average from multiple review sources, as of 10 May 2026)
Based on a total of 17,748 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
Based on a total of 17,748 customer reviews from independent review platforms.
Sources & Transparency:
The values are derived from publicly available retailer ratings from platforms such as Feefo, http://Reviews.io , Trustpilot, and others, and are aggregated monthly.
All brand names and logos are the property of their respective owners.
Notice:
pricehunter.co.uk cannot guarantee that published shop ratings originate from consumers who have actually made a purchase from the reviewed retailer.
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Universal fault signal contact with 1 NO + 1 NC configuration, designed for Siemens miniature circuit breakers 5SL, 5SY, 5SP, RCBO 5SU1, and FI 5SV series. Compatible with SENTRON 5ST3 residual current devices, featuring simple installation and integrated touch protection. Note: 5SU1 applications require handle coupler 5ST3805-1.
£25.76
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