ELR-3A

Earth Differential Relay Type A

• earth leakage current measurement by external toroidal gearbox

• measurement in true effective value (trms)

• programming and display via a backlit LCD display

- fault current (red display when it is taken)

- programming parameters

- instantaneous fault current

- disconnection of the external toroid

• status indication via 2 LEDs

• two programmable independent outputs (alarm and pre-alarm)

• type of reconnection: manual, via reset button or power failure

• din rail mounting (EN50022), 3 modules