Parameter Value Product Range EOCR (Electronic OverCurrent Relay) - FDM2 Series Product Type Split-body Intelligent Motor Protection Relay Product Code / Model EOCR-FDM2-WRDUWZ (also written as EOCRFDM2-WRDUWZ) Current Setting Range 0.5 ~ 80 A (definite time, direct window-type) 0.5 ~ 32 A (inverse time, direct) Above ranges require external CTs (up to 960A) Control Supply Voltage (Us) 100-240 V AC/DC (85%~110% of rated voltage) - indicated by "U" Supply Frequency 50 / 60 Hz Power Consumption < 3 W (typical) / < 7 VA Measurement Accuracy ±1% (enhanced with "Z" revision code) Protection Functions Overcurrent (OC), Undercurrent (UC), Phase Loss (Open Phase), Reverse Phase (Reversal), Locked Rotor/Stall (Sc/JA), Current Unbalance, Pre-alarm Time Characteristics Definite Time / Inverse Time (1-30 classes) / Thermal Overload Inverse Time Time Settings Overcurrent Trip Delay (O-Time): Definite time: 0.2-30 sec; Inverse time: 1-30 classes Undercurrent Delay (U-Time): OFF, 1-10 sec adjustable Start Delay (D-Time): 0-200 sec adjustable Phase Loss Trip Time: OFF, 0.5-5 sec adjustable Reverse Phase Trip Time: Within 0.15 sec Locked Rotor (Running Stall) Delay: 0.3-5 sec adjustable Current Unbalance Trip Time: 1-10 sec adjustable, setting range 10-50% Display 7-segment LED (3-phase current values cycle at 5-sec intervals, trip causes, setting parameters); Bar graph (load factor 65%~100%) Output Contacts OL (Overload): 1 NC + 1 NO (95-96 / 97-98) - D type configuration AL (Alarm): 1 NO (07-08) for pre-alarm/undercurrent Rating: 3 A / 250 V AC (resistive load), Ith 3A Reset Mode Manual (front panel) / Electric (remote) / Automatic (0.5 sec - 20 min adjustable) Fault Memory Records last 3 fault causes with corresponding current values Additional Functions Password protection, Running time accumulation with alarm, Pre-alarm, Fail-safe mode selectable, Restart limit, Self-diagnosis, RoHS compliant Wiring Type Window-type (through-hole) - indicated by "W" in model code; cables pass through without terminal connections Mounting Main unit: 35 mm DIN rail mounting; Display unit: Panel mounting (65mm cutout) Dimensions (W x H x D) Window type: 70 mm × 75 mm × 84 mm Net Weight Window type: 0.397 kg Rated Insulation Voltage (Ui) 600 V AC (UL/CSA), 690 V AC (IEC 60947-4-1) Rated Impulse Withstand Voltage (Uimp) 6 kV conforming to IEC 60947-4-1 Operating Temperature -20 °C to +60 °C Storage Temperature -40 °C to +85 °C Humidity 30-85% RH (non-condensing) IP Degree of Protection IP20 (enclosure) conforming to IEC 60529 Dielectric Strength 2 kV, 50/60 Hz, 1 minute (case to circuits) conforming to IEC 60255-5 Standards / Approvals IEC 60947-4-1, IEC 60255-6, UL, CSA, CE, CCC, RoHS Warranty 18 months