Key Specifications Parameter Value Brand Schneider Electric (formerly nVent/Samwha EOCR) Series EOCR-FTA Product Type Multifunctional Electronic Motor Protection Relay Protection Functions • Overcurrent (Overload) • Undercurrent (Underload) • Phase Loss / Open Phase (trip within 3 seconds) • Phase Reversal (0.1-0.3 seconds) • Phase Imbalance / Unbalance (trip within 8 seconds) • Locked Rotor (Stall) at Start and Run • Jamming Special Features • Load warning (pre-alarm) function: 50-100% adjustable/OFF • 4-20mA analog output • Fault recording (last 3 faults with current values) • Self-diagnosis function Current Measurement Three integrated CTs (window type) Current Setting Range • Direct measurement: 0.5-60A (definite time) / 0.5-11A (inverse time) • With external CTs: Up to 960A Control Voltage (Us) 24VAC/DC or 100-240VAC/DC (wide range) Frequency 20-400Hz (suitable for variable frequency drives) Time Settings • Start Delay (D-TIME): 1-200 seconds • Trip Delay (O-TIME): - Definite time: 0.2-30 seconds - Inverse time: 1-30 Class • Undercurrent Trip Delay: 0.5-30 seconds Output Contacts • OL (Overload): 2 x SPST (1NC+1NO) • AL (Alarm/Pre-alarm): 1 x SPST • Contact Rating: 3A/250VAC resistive Reset Mode Manual (Instant) / Electric (Remote) selectable Display / Indication 7-segment LED display for current values and fault cause, LED indicators for status Mounting 35mm DIN rail or panel mount (screw fixing) Standards IEC 60947-4-1, IEC 60255-6, UL, CSA, CCC Degree of Protection IP20 (IEC 60529, VDE 0106) Rated Insulation Voltage (Ui) 600V AC (UL/CSA) / 690V AC (IEC 60947-4-1) Rated Impulse Withstand Voltage (Uimp) 6kV Operating Temperature -25°C to 60°C (no derating, IEC 60947-4-1) Storage Temperature -30°C to 80°C Power Consumption Ultra-low consumption (typically <2W) Terminal Wiring Screw clamp terminals, 1-2.5 mm² flexible/stranded, tightening torque 1.7 N.m (M3.5) Dimensions (W x H x D) Compact size for 35mm DIN rail mounting Weight Approximately 0.16-0.18 kg