Circuit Breaker · Electrical Components & Switchgear
The Siemens 5SY4, 5SY6 and 5SY7 are miniature circuit breakers covered by a DNV certificate. They protect final circuits against overload and short circuit in distribution boards and are mounted on DIN rails for lighting, socket and small consumer circuits.
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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