Control Relay · Electrical Components & Switchgear
The Siemens 3RN20 is a control relay certified by DNV as an overcurrent and short-circuit relay. It supervises current in motor or load circuits and signals or trips when abnormal conditions occur.
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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