Key Specifications Parameter Value Brand Schneider Electric (formerly nVent/Samwha EOCR) Series EOCR-4E Product Type Electronic Motor Protection Relay (Compact 2-CT type) Model / Reference EOCR4E-05NY7Q Technology Microcontroller (MCU) based with real-time processing Current Measurement 2 integrated CTs (2 Current Transformer design) Current Setting Range 05 type: 0.5 - 6 A (adjustable) Control Voltage 7: 220VAC 50/60Hz Frequency 50/60 Hz Protection Functions • Overcurrent (Overload) • Phase Loss / Open Phase • Phase Reversal (Reverse Phase) • Phase Imbalance / Unbalance • Locked Rotor (Stall) Output Contact Configuration N-type: "Fail-Safe" operation (contacts change state when relay is powered on/energized) Output Contacts 1 x SPDT (1 C/O - Changeover contact) Contact Rating: 3A / 250VAC resistive Trip Time Characteristics Definite time Time Delay Settings • Start Delay (D-TIME): Adjustable (typically 1-200 seconds) • Trip Delay (O-TIME): Adjustable (typically 0.5-30 seconds) Reset Mode Manual (Instant) / Electric (Remote) selectable Display / Indication LED indicators for power ON and trip status (fault cause identification) Mounting 35mm DIN Rail / Panel mount Case Design Compact design with integrated CTs for space-constrained applications Standards IEC 60947-4-1, UL, CSA Degree of Protection IP20 (relay body) Operating Temperature -20°C to 60°C Storage Temperature -30°C to 80°C Dimensions (W x H x D) Compact size (approx. 35 x 80 x 85 mm, verify with exact datasheet) Weight Approximately 0.12 - 0.15 kg Terminal Wiring Screw clamp terminals for solid/stranded wires (1-2.5 mm²)