Parameter Value Product Range EOCR (Electronic OverCurrent Relay) - EVR Series Product Type Electronic Voltage Protection Relay / Three-Phase Voltage Relay Product Code / Model EOCR-EVR-3P44 (also written as EVR-3P44) Protection Functions Three-phase AC Overvoltage (OV), Undervoltage (UV), Phase Loss (Open Phase), Reverse Phase (Reversal), Voltage Unbalance Control Supply Voltage (Us) AC 200-440 V (50/60 Hz) Supply Frequency 50 / 60 Hz Voltage Setting Ranges Overvoltage (OV): 200 ~ 550 V AC Undervoltage (UV): 140 ~ 440 V AC Voltage setting: 5, 10, 15, 20, 25% (OV); -5, -10, -15, -20, -25, -30% (UV) Voltage Measurement Accuracy ±2% Trip Time Settings Action Delay Time: 0.2, 1, 3, 5, 7, 10 seconds (selectable) Automatic Reset Time: 5 seconds (adjustable) Phase Loss Trip Time: Within 0.5 seconds Reverse Phase Trip Time: Within 0.1-0.15 seconds Output Contact Type: 1-SPDT (1C, 95-96-98) Rating: Ith: 3A; AC15: 2A/240V; DC13: 1A/30V Reset Mode Manual (front panel) / Electric (remote) / Automatic (selectable) Display 2 LEDs (PWR power and TRIP fault indication) Power Consumption ≤ 2 W Mounting 35 mm DIN rail or Panel mounting Dimensions (W x H x D) 62 mm x 75 mm x 89.5 mm Net Weight 0.163 kg Rated Insulation Voltage (Ui) 600 V AC (main circuit) conforming to UL/CSA/IEC 60947-4-1 Rated Impulse Withstand Voltage (Uimp) 6 kV conforming to IEC 60947-4-1 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 Dielectric Strength 2 kV, 50/60 Hz, 1 minute (case to circuits) conforming to IEC 60255-5 Shock Resistance 15 gn, 11 ms conforming to IEC 60068-2-7 Vibration Resistance Panel mount: 4 gn; 35mm DIN rail: 2 gn conforming to IEC 60068-2-6 Standards / Approvals IEC 60947-4-1, IEC 60255-6, UL, CSA, CE, RoHS Warranty 18 months Short-circuit Protection 4 A gG fuse Connection Capacity Screw clamp terminals: 1~2.5 mm² (flexible with/without cable end) Tightening Torque 1.7 N.m (M3.5 screw)