Earth Leakage Relay ELR-3F is reduced dimensions and wide setting ranges allows to select the tripping current . This is also the suitable answer in many of the industrial requirements . An outstanding characteristic of the present relays , is the permanent control of the Toroidal - ELR circuit . The ELR-3F has the possibility of an automatic or manual reset , selectable by a micro switch . the special features of this device are : - Tripping current selection dipswitch - Tripping time selection dipswitch - Push button for manual reset - Signalling green LED for Aux. Supply presence - Signalling red LED for relay tripped Bornika is the exclusive representative of Contrel company, in purchasing , sales, consulting and distribution of industrial equipment including Earth Leakage Relay ELR-3F.