EOCR Electronic Over Current Relay With 3 Integral CT, Built In Display, Range: 40-400A, 3CT 400:5A, Output: 1a1b (OL/GR), Supply: AC/DC24V, Window Hole Type, Panel / Din-Rail Mount
Over-current protection is provided by tripping the relay when motor operating current (In) exceeds over-current setting (Is) of EOCR for a period greater than the preset operating time (O-time).
General Characteristics
Phase unbalance, 5...50 %
Locked rotor for starting, In > 2...10 times OC setting
Sensitivity to phase reverse
Sensitivity to phase loss
Locked rotor for running, In > 1.5...5 times OC setting