Control Relay · Electrical Components & Switchgear
The ABB EF series (EF19 to EF750) is a range of electronic overload relays certified under DNV as overcurrent and short-circuit relays. Used with contactors in motor starters, they monitor motor current and trip the circuit when overload or fault 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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