Circuit Breaker · Electrical Components & Switchgear
The Siemens 5SU1 series is a residual current device approved under DNV certificate TAE000033R and IMO type approval MSC.428(98). It monitors earth leakage current in final circuits and disconnects the supply when leakage exceeds the set threshold, protecting people and equipment.
Listed in the DNV Approval Finder at the time we recorded it. The certificate is issued by DNV, not by us; check its current status at DNV.
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