Parameter Value Product Range EOCR (Electronic OverCurrent Relay) - 3DE Series Product Type Digital Electronic Motor Protection Relay Product Code / Model EOCR3DE-80DUH (also written as EOCR-3DE-80DUH) Current Setting Range 80 type: 5 ~ 80 A (direct) Control Supply Voltage (Us) 100-240 V AC/DC (U type) Supply Frequency 50 / 60 Hz Power Consumption Less than 5 VA Protection Functions Overcurrent (OC), Undercurrent (UC), Phase Loss (Open Phase), Reverse Phase (Reversal), Locked Rotor (Stall), Current Unbalance, Pre-alarm Time Characteristics Definite Time / Inverse Time (1-30 classes) Time Settings Start Delay (D-Time): 0-200 seconds Trip Delay (O-Time): Definite time: 0.2-30 seconds; Inverse time: 1-30 classes Undercurrent Delay: 0.5-30 seconds Phase Loss Trip Time: Within 3 seconds Reverse Phase Trip Time: 0.1-0.3 seconds Current Unbalance Trip Time: Within 8 seconds Display 7-segment LED (3-phase current values, trip causes) + Bar graph (load factor) Output Contacts OL: 1 NC + 1 NO (95-96 / 97-98) for trip output AL: 1 NO (07-08) for alarm/pre-alarm Rating: 3A / 250V AC (resistive load) Reset Mode Manual (front panel) / Electric (remote) / Automatic (0.5 sec - 20 min adjustable) Wiring Type Through-hole (window-type) - indicated by "H" in model code Mounting 35 mm DIN Rail or Panel mounting Dimensions (W x H x D) 56.3 mm x 70 mm x 106 mm (through-hole type) Net Weight 0.27 kg (through-hole type) Insulation Resistance > 10 MΩ at DC 500 V (case to circuits) Dielectric Strength 2 kV, 50/60 Hz, 1 minute (case to circuits) conforming to IEC 60255-5 Operating Temperature -20 °C to +60 °C (no derating) conforming to IEC 60947-4-1 Storage Temperature -30 °C to +80 °C IP Degree of Protection IP20 (enclosure) conforming to IEC 60529 Standards / Approvals IEC 60947-4-1, UL, CSA, CE