Parameter Value Product Range EOCR (Electronic OverCurrent Relay) Product Type Digital Electronic Motor Protection Relay Product Code / Model EOCR-3DM2-WRDBH (also written as 3DM2-WRDBH) Current Setting Range (OC) Definite Time: 0.5 ~ 60A (above 60A requires external CT) Inverse Time: 0.5 ~ 60A (above 32A requires external CT) Undercurrent Setting Range (UC) 0.5A to less than OC setting value Control Supply Voltage (Us) 24V AC/DC (±5%) Supply Frequency 50/60 Hz Power Consumption Less than 7VA Protection Functions Overcurrent, Undercurrent, Phase Loss, Reverse Phase, Locked Rotor (Stall), Current Unbalance, Pre-alarm Time Characteristics Definite Time / Inverse Time (1-30 classes) / Thermal Overload Inverse Time 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: OFF, 1-10 seconds adjustable Phase Loss Delay: OFF, 0.5-5 seconds adjustable Locked Rotor Delay: 0.3-5 seconds adjustable Current Unbalance Delay: 1-10 seconds adjustable Reverse Phase Trip Time: Within 0.15 seconds Display 7-segment LED (3-phase current values, trip causes, operating time) + Bar graph (load factor) Output Contacts Composition: 1a1b (SPDT) for OC/GR + 1a (SPST) for Alarm (AL) Rating: 3A / 250V AC (resistive load) Reset Mode Manual (front panel) / Electric (remote) / Automatic (0.5s - 20min adjustable) Wiring Type Bottom-hole (through-hole) type (indicated by "H" in model code) Mounting Panel mounting Insulation Resistance > 10MΩ at DC500V (case to circuits) Dielectric Strength 2kV, 50/60Hz, 1 minute (case to circuits) EMC Standards IEC61000-4-2 (ESD), IEC61000-4-3 (Radiated RF), IEC61000-4-4 (EFT/Burst), IEC61000-4-5 (Surge), IEC61000-4-6 (Conducted RF) Operating Temperature -20°C to +60°C Storage Temperature -40°C to +85°C Humidity 30-85% RH (non-condensing) Weight Approximately 295g (for bottom-hole type)