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E1250DU electronic overload relays * Part number: E1250DU-1250 * The EF19...EF1250 are self-supplied electronic overload relays, which means no extra external supply is needed. It offers reliable protection for motors in the event of overload or phase failure. Easy to use like a thermal overload relay and compatible with standard motor applications, the electronic overload relay is convincing, above all, due to its wide setting range, high accuracy, high operational temperature range and the possibility to select a trip class (10E, 20E, 30E). * Further features are the temperature compensation, trip contact (N.C.), signal contact (N.O.), automatic or manual reset selectable, trip-free mechanism, STOP and TEST function and a trip indication. * EF19.EF380 overload relays are connected directly to the contactors. EF460.EF1250 require busbar kits that are available as an accessory for contactor mounting